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-rw-r--r--arch/arc/configs/hsdk_defconfig1
-rw-r--r--arch/arc/include/asm/dsp-impl.h2
-rw-r--r--arch/arc/include/asm/entry-arcv2.h2
-rw-r--r--arch/arc/kernel/Makefile3
-rw-r--r--arch/arc/kernel/ptrace.c2
-rw-r--r--arch/arc/kernel/setup.c5
-rw-r--r--arch/arc/kernel/troubleshoot.c14
-rw-r--r--arch/arc/kernel/unwind.c2
-rw-r--r--arch/arc/plat-eznps/Kconfig1
-rw-r--r--arch/arm/Kconfig1
-rw-r--r--arch/arm/boot/dts/am574x-idk.dts4
-rw-r--r--arch/arm/boot/dts/dra7.dtsi4
-rw-r--r--arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts4
-rw-r--r--arch/arm/boot/dts/imx6dl-yapp4-ursa.dts2
-rw-r--r--arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi2
-rw-r--r--arch/arm/boot/dts/motorola-mapphone-common.dtsi43
-rw-r--r--arch/arm/boot/dts/r7s9210.dtsi3
-rw-r--r--arch/arm/boot/dts/r8a73a4.dtsi9
-rw-r--r--arch/arm/boot/dts/r8a7740.dtsi2
-rw-r--r--arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts2
-rw-r--r--arch/arm/boot/dts/r8a7790-lager.dts2
-rw-r--r--arch/arm/boot/dts/r8a7790-stout.dts2
-rw-r--r--arch/arm/boot/dts/r8a7791-koelsch.dts2
-rw-r--r--arch/arm/boot/dts/r8a7791-porter.dts2
-rw-r--r--arch/arm/boot/dts/r8a7792-blanche.dts2
-rw-r--r--arch/arm/boot/dts/r8a7792-wheat.dts12
-rw-r--r--arch/arm/boot/dts/r8a7793-gose.dts2
-rw-r--r--arch/arm/boot/dts/r8a7794-silk.dts2
-rw-r--r--arch/arm/boot/dts/rk3036.dtsi2
-rw-r--r--arch/arm/boot/dts/rk3228-evb.dts2
-rw-r--r--arch/arm/boot/dts/rk3229-xms6.dts2
-rw-r--r--arch/arm/boot/dts/rk322x.dtsi6
-rw-r--r--arch/arm/boot/dts/rk3xxx.dtsi2
-rw-r--r--arch/arm/configs/keystone_defconfig1
-rw-r--r--arch/arm/configs/omap2plus_defconfig1
-rw-r--r--arch/arm/mach-oxnas/platsmp.c3
-rw-r--r--arch/arm64/Kconfig1
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts2
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi18
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi2
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12.dtsi1
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi4
-rw-r--r--arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts2
-rw-r--r--arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi2
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mm.dtsi8
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mn.dtsi10
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h46
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mp.dtsi6
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq.dtsi8
-rw-r--r--arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi23
-rw-r--r--arch/arm64/boot/dts/qcom/msm8996.dtsi2
-rw-r--r--arch/arm64/boot/dts/qcom/sdm845-db845c.dts3
-rw-r--r--arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77970-eagle.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-condor.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77980.dtsi2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts2
-rw-r--r--arch/arm64/boot/dts/renesas/r8a77995-draak.dts6
-rw-r--r--arch/arm64/boot/dts/rockchip/px30.dtsi2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3308.dtsi2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3328-evb.dts5
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3328-rock64.dts2
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3328.dtsi18
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts9
-rw-r--r--arch/arm64/boot/dts/rockchip/rk3399.dtsi14
-rw-r--r--arch/arm64/configs/defconfig9
-rw-r--r--arch/arm64/include/asm/uaccess.h2
-rw-r--r--arch/arm64/kernel/machine_kexec.c1
-rw-r--r--arch/arm64/kernel/ptrace.c7
-rw-r--r--arch/csky/Kconfig2
-rw-r--r--arch/csky/Makefile2
-rw-r--r--arch/csky/abiv1/inc/abi/entry.h4
-rw-r--r--arch/csky/abiv2/inc/abi/entry.h4
-rw-r--r--arch/csky/abiv2/mcount.S2
-rw-r--r--arch/csky/include/asm/processor.h6
-rw-r--r--arch/csky/include/asm/ptrace.h10
-rw-r--r--arch/csky/include/asm/thread_info.h16
-rw-r--r--arch/csky/include/asm/uaccess.h49
-rw-r--r--arch/csky/kernel/Makefile2
-rw-r--r--arch/csky/kernel/asm-offsets.c3
-rw-r--r--arch/csky/kernel/dumpstack.c49
-rw-r--r--arch/csky/kernel/entry.S12
-rw-r--r--arch/csky/kernel/ftrace.c2
-rw-r--r--arch/csky/kernel/perf_callchain.c9
-rw-r--r--arch/csky/kernel/probes/uprobes.c5
-rw-r--r--arch/csky/kernel/process.c37
-rw-r--r--arch/csky/kernel/ptrace.c6
-rw-r--r--arch/csky/kernel/stacktrace.c176
-rw-r--r--arch/csky/lib/usercopy.c8
-rw-r--r--arch/powerpc/Kconfig2
-rw-r--r--arch/powerpc/include/asm/book3s/32/hash.h8
-rw-r--r--arch/powerpc/include/asm/book3s/32/kup.h2
-rw-r--r--arch/powerpc/include/asm/hw_irq.h20
-rw-r--r--arch/powerpc/include/asm/uaccess.h49
-rw-r--r--arch/powerpc/kernel/entry_64.S4
-rw-r--r--arch/powerpc/kernel/exceptions-64s.S1
-rw-r--r--arch/powerpc/kernel/head_32.S9
-rw-r--r--arch/powerpc/kernel/head_40x.S3
-rw-r--r--arch/powerpc/kernel/ima_arch.c6
-rw-r--r--arch/powerpc/kernel/syscall_64.c20
-rw-r--r--arch/powerpc/kernel/vdso32/gettimeofday.S6
-rw-r--r--arch/powerpc/mm/book3s32/hash_low.S14
-rw-r--r--arch/riscv/Kconfig3
-rw-r--r--arch/riscv/Kconfig.socs17
-rw-r--r--arch/riscv/include/asm/mmio.h2
-rw-r--r--arch/riscv/include/asm/mmiowb.h1
-rw-r--r--arch/riscv/include/asm/perf_event.h8
-rw-r--r--arch/riscv/include/asm/pgtable.h3
-rw-r--r--arch/riscv/kernel/Makefile2
-rw-r--r--arch/riscv/kernel/perf_event.c8
-rw-r--r--arch/riscv/kernel/process.c2
-rw-r--r--arch/riscv/kernel/stacktrace.c2
-rw-r--r--arch/riscv/mm/init.c2
-rw-r--r--arch/s390/include/asm/pci_io.h10
-rw-r--r--arch/s390/kernel/machine_kexec_file.c2
-rw-r--r--arch/s390/kernel/machine_kexec_reloc.c1
-rw-r--r--arch/s390/mm/hugetlbpage.c9
-rw-r--r--arch/s390/pci/pci_mmio.c213
-rw-r--r--arch/sh/include/uapi/asm/sockios.h2
-rw-r--r--arch/sparc/mm/srmmu.c6
-rw-r--r--arch/um/drivers/vector_user.h2
-rw-r--r--arch/um/include/asm/xor.h2
-rw-r--r--arch/um/kernel/skas/syscall.c1
-rw-r--r--arch/x86/Kconfig1
-rw-r--r--arch/x86/boot/tools/build.c16
-rw-r--r--arch/x86/hyperv/hv_init.c19
-rw-r--r--arch/x86/include/asm/bitops.h12
-rw-r--r--arch/x86/include/asm/ftrace.h6
-rw-r--r--arch/x86/include/asm/kvm_host.h4
-rw-r--r--arch/x86/include/asm/stackprotector.h7
-rw-r--r--arch/x86/kernel/ftrace.c29
-rw-r--r--arch/x86/kernel/smpboot.c8
-rw-r--r--arch/x86/kernel/unwind_orc.c23
-rw-r--r--arch/x86/kvm/hyperv.c2
-rw-r--r--arch/x86/kvm/svm/nested.c39
-rw-r--r--arch/x86/kvm/svm/svm.c36
-rw-r--r--arch/x86/kvm/vmx/vmx.c41
-rw-r--r--arch/x86/kvm/x86.c60
-rw-r--r--arch/x86/mm/init_64.c3
-rw-r--r--arch/x86/mm/mmio-mod.c4
-rw-r--r--arch/x86/xen/smp_pv.c1
143 files changed, 976 insertions, 563 deletions
diff --git a/arch/arc/configs/hsdk_defconfig b/arch/arc/configs/hsdk_defconfig
index 0974226fab55..aa000075a575 100644
--- a/arch/arc/configs/hsdk_defconfig
+++ b/arch/arc/configs/hsdk_defconfig
@@ -65,6 +65,7 @@ CONFIG_DRM_UDL=y
 CONFIG_DRM_ETNAVIV=y
 CONFIG_FB=y
 CONFIG_FRAMEBUFFER_CONSOLE=y
+CONFIG_USB=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_HCD_PLATFORM=y
 CONFIG_USB_OHCI_HCD=y
diff --git a/arch/arc/include/asm/dsp-impl.h b/arch/arc/include/asm/dsp-impl.h
index e1aa212ca6eb..cd5636dfeb6f 100644
--- a/arch/arc/include/asm/dsp-impl.h
+++ b/arch/arc/include/asm/dsp-impl.h
@@ -15,12 +15,14 @@
 
 /* clobbers r5 register */
 .macro DSP_EARLY_INIT
+#ifdef CONFIG_ISA_ARCV2
 	lr	r5, [ARC_AUX_DSP_BUILD]
 	bmsk	r5, r5, 7
 	breq    r5, 0, 1f
 	mov	r5, DSP_CTRL_DISABLED_ALL
 	sr	r5, [ARC_AUX_DSP_CTRL]
 1:
+#endif
 .endm
 
 /* clobbers r10, r11 registers pair */
diff --git a/arch/arc/include/asm/entry-arcv2.h b/arch/arc/include/asm/entry-arcv2.h
index ae0aa5323be1..0ff4c0610561 100644
--- a/arch/arc/include/asm/entry-arcv2.h
+++ b/arch/arc/include/asm/entry-arcv2.h
@@ -233,6 +233,8 @@
 
 #ifdef CONFIG_ARC_IRQ_NO_AUTOSAVE
 	__RESTORE_REGFILE_HARD
+
+	; SP points to PC/STAT32: hw restores them despite NO_AUTOSAVE
 	add	sp, sp, SZ_PT_REGS - 8
 #else
 	add	sp, sp, PT_r0
diff --git a/arch/arc/kernel/Makefile b/arch/arc/kernel/Makefile
index 75539670431a..8c4fc4b54c14 100644
--- a/arch/arc/kernel/Makefile
+++ b/arch/arc/kernel/Makefile
@@ -3,9 +3,6 @@
 # Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
 #
 
-# Pass UTS_MACHINE for user_regset definition
-CFLAGS_ptrace.o		+= -DUTS_MACHINE='"$(UTS_MACHINE)"'
-
 obj-y	:= arcksyms.o setup.o irq.o reset.o ptrace.o process.o devtree.o
 obj-y	+= signal.o traps.o sys.o troubleshoot.o stacktrace.o disasm.o
 obj-$(CONFIG_ISA_ARCOMPACT)		+= entry-compact.o intc-compact.o
diff --git a/arch/arc/kernel/ptrace.c b/arch/arc/kernel/ptrace.c
index d5f3fcf273b5..f49a054a1016 100644
--- a/arch/arc/kernel/ptrace.c
+++ b/arch/arc/kernel/ptrace.c
@@ -253,7 +253,7 @@ static const struct user_regset arc_regsets[] = {
 };
 
 static const struct user_regset_view user_arc_view = {
-	.name		= UTS_MACHINE,
+	.name		= "arc",
 	.e_machine	= EM_ARC_INUSE,
 	.regsets	= arc_regsets,
 	.n		= ARRAY_SIZE(arc_regsets)
diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c
index b2b1cb645d9e..dad8a656a2f1 100644
--- a/arch/arc/kernel/setup.c
+++ b/arch/arc/kernel/setup.c
@@ -11,6 +11,7 @@
 #include <linux/clocksource.h>
 #include <linux/console.h>
 #include <linux/module.h>
+#include <linux/sizes.h>
 #include <linux/cpu.h>
 #include <linux/of_clk.h>
 #include <linux/of_fdt.h>
@@ -424,12 +425,12 @@ static void arc_chk_core_config(void)
 	if ((unsigned int)__arc_dccm_base != cpu->dccm.base_addr)
 		panic("Linux built with incorrect DCCM Base address\n");
 
-	if (CONFIG_ARC_DCCM_SZ != cpu->dccm.sz)
+	if (CONFIG_ARC_DCCM_SZ * SZ_1K != cpu->dccm.sz)
 		panic("Linux built with incorrect DCCM Size\n");
 #endif
 
 #ifdef CONFIG_ARC_HAS_ICCM
-	if (CONFIG_ARC_ICCM_SZ != cpu->iccm.sz)
+	if (CONFIG_ARC_ICCM_SZ * SZ_1K != cpu->iccm.sz)
 		panic("Linux built with incorrect ICCM Size\n");
 #endif
 
diff --git a/arch/arc/kernel/troubleshoot.c b/arch/arc/kernel/troubleshoot.c
index d2999503fb8a..3393558876a9 100644
--- a/arch/arc/kernel/troubleshoot.c
+++ b/arch/arc/kernel/troubleshoot.c
@@ -191,10 +191,9 @@ void show_regs(struct pt_regs *regs)
 	if (user_mode(regs))
 		show_faulting_vma(regs->ret); /* faulting code, not data */
 
-	pr_info("ECR: 0x%08lx EFA: 0x%08lx ERET: 0x%08lx\n",
-		regs->event, current->thread.fault_address, regs->ret);
-
-	pr_info("STAT32: 0x%08lx", regs->status32);
+	pr_info("ECR: 0x%08lx EFA: 0x%08lx ERET: 0x%08lx\nSTAT: 0x%08lx",
+		regs->event, current->thread.fault_address, regs->ret,
+		regs->status32);
 
 #define STS_BIT(r, bit)	r->status32 & STATUS_##bit##_MASK ? #bit" " : ""
 
@@ -210,11 +209,10 @@ void show_regs(struct pt_regs *regs)
 			(regs->status32 & STATUS_U_MASK) ? "U " : "K ",
 			STS_BIT(regs, DE), STS_BIT(regs, AE));
 #endif
-	pr_cont("  BTA: 0x%08lx\n", regs->bta);
-	pr_info("BLK: %pS\n SP: 0x%08lx  FP: 0x%08lx\n",
-		(void *)regs->blink, regs->sp, regs->fp);
+	pr_cont("  BTA: 0x%08lx\n  SP: 0x%08lx  FP: 0x%08lx BLK: %pS\n",
+		regs->bta, regs->sp, regs->fp, (void *)regs->blink);
 	pr_info("LPS: 0x%08lx\tLPE: 0x%08lx\tLPC: 0x%08lx\n",
-	       regs->lp_start, regs->lp_end, regs->lp_count);
+		regs->lp_start, regs->lp_end, regs->lp_count);
 
 	/* print regs->r0 thru regs->r12
 	 * Sequential printing was generating horrible code
diff --git a/arch/arc/kernel/unwind.c b/arch/arc/kernel/unwind.c
index 27ea64b1fa33..f87758a6851b 100644
--- a/arch/arc/kernel/unwind.c
+++ b/arch/arc/kernel/unwind.c
@@ -1178,11 +1178,9 @@ int arc_unwind(struct unwind_frame_info *frame)
 #endif
 
 	/* update frame */
-#ifndef CONFIG_AS_CFI_SIGNAL_FRAME
 	if (frame->call_frame
 	    && !UNW_DEFAULT_RA(state.regs[retAddrReg], state.dataAlign))
 		frame->call_frame = 0;
-#endif
 	cfa = FRAME_REG(state.cfa.reg, unsigned long) + state.cfa.offs;
 	startLoc = min_t(unsigned long, UNW_SP(frame), cfa);
 	endLoc = max_t(unsigned long, UNW_SP(frame), cfa);
diff --git a/arch/arc/plat-eznps/Kconfig b/arch/arc/plat-eznps/Kconfig
index a931d0a256d0..a645bca5899a 100644
--- a/arch/arc/plat-eznps/Kconfig
+++ b/arch/arc/plat-eznps/Kconfig
@@ -6,6 +6,7 @@
 
 menuconfig ARC_PLAT_EZNPS
 	bool "\"EZchip\" ARC dev platform"
+	depends on ISA_ARCOMPACT
 	select CPU_BIG_ENDIAN
 	select CLKSRC_NPS if !PHYS_ADDR_T_64BIT
 	select EZNPS_GIC
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 66a04f6f4775..c77c93c485a0 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -12,6 +12,7 @@ config ARM
 	select ARCH_HAS_KEEPINITRD
 	select ARCH_HAS_KCOV
 	select ARCH_HAS_MEMBARRIER_SYNC_CORE
+	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PTE_SPECIAL if ARM_LPAE
 	select ARCH_HAS_PHYS_TO_DMA
 	select ARCH_HAS_SETUP_DMA_OPS
diff --git a/arch/arm/boot/dts/am574x-idk.dts b/arch/arm/boot/dts/am574x-idk.dts
index fa0088025b2c..85c95cc551dd 100644
--- a/arch/arm/boot/dts/am574x-idk.dts
+++ b/arch/arm/boot/dts/am574x-idk.dts
@@ -40,3 +40,7 @@
 	status = "okay";
 	dual_emac;
 };
+
+&m_can0 {
+	status = "disabled";
+};
diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi
index 4740989ed9c4..7191ee6a1b82 100644
--- a/arch/arm/boot/dts/dra7.dtsi
+++ b/arch/arm/boot/dts/dra7.dtsi
@@ -172,6 +172,7 @@
 			#address-cells = <1>;
 			ranges = <0x51000000 0x51000000 0x3000
 				  0x0	     0x20000000 0x10000000>;
+			dma-ranges;
 			/**
 			 * To enable PCI endpoint mode, disable the pcie1_rc
 			 * node and enable pcie1_ep mode.
@@ -185,7 +186,6 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x20013000 0x13000 0 0xffed000>;
-				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;
@@ -230,6 +230,7 @@
 			#address-cells = <1>;
 			ranges = <0x51800000 0x51800000 0x3000
 				  0x0	     0x30000000 0x10000000>;
+			dma-ranges;
 			status = "disabled";
 			pcie2_rc: pcie@51800000 {
 				reg = <0x51800000 0x2000>, <0x51802000 0x14c>, <0x1000 0x2000>;
@@ -240,7 +241,6 @@
 				device_type = "pci";
 				ranges = <0x81000000 0 0          0x03000 0 0x00010000
 					  0x82000000 0 0x30013000 0x13000 0 0xffed000>;
-				dma-ranges = <0x02000000 0x0 0x00000000 0x00000000 0x1 0x00000000>;
 				bus-range = <0x00 0xff>;
 				#interrupt-cells = <1>;
 				num-lanes = <1>;
diff --git a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
index 0cd75dadf292..188639738dc3 100644
--- a/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
+++ b/arch/arm/boot/dts/imx27-phytec-phycard-s-rdk.dts
@@ -75,8 +75,8 @@
 	imx27-phycard-s-rdk {
 		pinctrl_i2c1: i2c1grp {
 			fsl,pins = <
-				MX27_PAD_I2C2_SDA__I2C2_SDA 0x0
-				MX27_PAD_I2C2_SCL__I2C2_SCL 0x0
+				MX27_PAD_I2C_DATA__I2C_DATA 0x0
+				MX27_PAD_I2C_CLK__I2C_CLK 0x0
 			>;
 		};
 
diff --git a/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts b/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
index 0d594e4bd559..a1173bf5bff5 100644
--- a/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
+++ b/arch/arm/boot/dts/imx6dl-yapp4-ursa.dts
@@ -38,7 +38,7 @@
 };
 
 &switch_ports {
-	/delete-node/ port@2;
+	/delete-node/ port@3;
 };
 
 &touchscreen {
diff --git a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
index ede2e0c999b1..e10f99278c77 100644
--- a/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
+++ b/arch/arm/boot/dts/iwg20d-q7-dbcm-ca.dtsi
@@ -72,8 +72,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/motorola-mapphone-common.dtsi b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
index 9067e0ef4240..06fbffa81636 100644
--- a/arch/arm/boot/dts/motorola-mapphone-common.dtsi
+++ b/arch/arm/boot/dts/motorola-mapphone-common.dtsi
@@ -367,6 +367,8 @@
 };
 
 &mmc3 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&mmc3_pins>;
 	vmmc-supply = <&wl12xx_vmmc>;
 	/* uart2_tx.sdmmc3_dat1 pad as wakeirq */
 	interrupts-extended = <&wakeupgen GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
@@ -472,6 +474,37 @@
 		>;
 	};
 
+	/*
+	 * Android uses PIN_OFF_INPUT_PULLDOWN | PIN_INPUT_PULLUP | MUX_MODE3
+	 * for gpio_100, but the internal pull makes wlan flakey on some
+	 * devices. Off mode value should be tested if we have off mode working
+	 * later on.
+	 */
+	mmc3_pins: pinmux_mmc3_pins {
+		pinctrl-single,pins = <
+		/* 0x4a10008e gpmc_wait2.gpio_100 d23 */
+		OMAP4_IOPAD(0x08e, PIN_INPUT | MUX_MODE3)
+
+		/* 0x4a100102 abe_mcbsp1_dx.sdmmc3_dat2 ab25 */
+		OMAP4_IOPAD(0x102, PIN_INPUT_PULLUP | MUX_MODE1)
+
+		/* 0x4a100104 abe_mcbsp1_fsx.sdmmc3_dat3 ac27 */
+		OMAP4_IOPAD(0x104, PIN_INPUT_PULLUP | MUX_MODE1)
+
+		/* 0x4a100118 uart2_cts.sdmmc3_clk ab26 */
+		OMAP4_IOPAD(0x118, PIN_INPUT | MUX_MODE1)
+
+		/* 0x4a10011a uart2_rts.sdmmc3_cmd ab27 */
+		OMAP4_IOPAD(0x11a, PIN_INPUT_PULLUP | MUX_MODE1)
+
+		/* 0x4a10011c uart2_rx.sdmmc3_dat0 aa25 */
+		OMAP4_IOPAD(0x11c, PIN_INPUT_PULLUP | MUX_MODE1)
+
+		/* 0x4a10011e uart2_tx.sdmmc3_dat1 aa26 */
+		OMAP4_IOPAD(0x11e, PIN_INPUT_PULLUP | MUX_MODE1)
+		>;
+	};
+
 	/* gpmc_ncs0.gpio_50 */
 	poweroff_gpio: pinmux_poweroff_pins {
 		pinctrl-single,pins = <
@@ -690,14 +723,18 @@
 };
 
 /*
- * As uart1 is wired to mdm6600 with rts and cts, we can use the cts pin for
- * uart1 wakeirq.
+ * The uart1 port is wired to mdm6600 with rts and cts. The modem uses gpio_149
+ * for wake-up events for both the USB PHY and the UART. We can use gpio_149
+ * pad as the shared wakeirq for the UART rather than the RX or CTS pad as we
+ * have gpio_149 trigger before the UART transfer starts.
  */
 &uart1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart1_pins>;
 	interrupts-extended = <&wakeupgen GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH
-			       &omap4_pmx_core 0xfc>;
+			       &omap4_pmx_core 0x110>;
+	uart-has-rtscts;
+	current-speed = <115200>;
 };
 
 &uart3 {
diff --git a/arch/arm/boot/dts/r7s9210.dtsi b/arch/arm/boot/dts/r7s9210.dtsi
index 72b79770e336..cace43807497 100644
--- a/arch/arm/boot/dts/r7s9210.dtsi
+++ b/arch/arm/boot/dts/r7s9210.dtsi
@@ -304,7 +304,6 @@
 			reg = <0xe803b000 0x30>;
 			interrupts = <GIC_SPI 56 IRQ_TYPE_EDGE_RISING>;
 			clocks = <&cpg CPG_MOD 36>;
-			clock-names = "ostm0";
 			power-domains = <&cpg>;
 			status = "disabled";
 		};
@@ -314,7 +313,6 @@
 			reg = <0xe803c000 0x30>;
 			interrupts = <GIC_SPI 57 IRQ_TYPE_EDGE_RISING>;
 			clocks = <&cpg CPG_MOD 35>;
-			clock-names = "ostm1";
 			power-domains = <&cpg>;
 			status = "disabled";
 		};
@@ -324,7 +322,6 @@
 			reg = <0xe803d000 0x30>;
 			interrupts = <GIC_SPI 58 IRQ_TYPE_EDGE_RISING>;
 			clocks = <&cpg CPG_MOD 34>;
-			clock-names = "ostm2";
 			power-domains = <&cpg>;
 			status = "disabled";
 		};
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index a5cd31229fbd..a3ba722a9d7f 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -131,7 +131,14 @@
 	cmt1: timer@e6130000 {
 		compatible = "renesas,r8a73a4-cmt1", "renesas,rcar-gen2-cmt1";
 		reg = <0 0xe6130000 0 0x1004>;
-		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>;
+		interrupts = <GIC_SPI 120 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 122 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 123 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 124 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 125 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 126 IRQ_TYPE_LEVEL_HIGH>,
+			     <GIC_SPI 127 IRQ_TYPE_LEVEL_HIGH>;
 		clocks = <&mstp3_clks R8A73A4_CLK_CMT1>;
 		clock-names = "fck";
 		power-domains = <&pd_c5>;
diff --git a/arch/arm/boot/dts/r8a7740.dtsi b/arch/arm/boot/dts/r8a7740.dtsi
index ebc1ff64f530..90feb2cf9960 100644
--- a/arch/arm/boot/dts/r8a7740.dtsi
+++ b/arch/arm/boot/dts/r8a7740.dtsi
@@ -479,7 +479,7 @@
 		cpg_clocks: cpg_clocks@e6150000 {
 			compatible = "renesas,r8a7740-cpg-clocks";
 			reg = <0xe6150000 0x10000>;
-			clocks = <&extal1_clk>, <&extalr_clk>;
+			clocks = <&extal1_clk>, <&extal2_clk>, <&extalr_clk>;
 			#clock-cells = <1>;
 			clock-output-names = "system", "pllc0", "pllc1",
 					     "pllc2", "r",
diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
index 92aa26ba423c..b1f679da36b2 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm-dbhd-ca.dts
@@ -84,8 +84,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 69745def44d4..bfe778c4c47b 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -364,8 +364,6 @@
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
-			adi,input-style = <1>;
-			adi,input-justification = "evenly";
 
 			ports {
 				#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7790-stout.dts b/arch/arm/boot/dts/r8a7790-stout.dts
index 4138efb2766d..6a457bc9280a 100644
--- a/arch/arm/boot/dts/r8a7790-stout.dts
+++ b/arch/arm/boot/dts/r8a7790-stout.dts
@@ -297,8 +297,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 687167b70cb6..fc74c6cd6def 100644
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -387,8 +387,6 @@
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
-			adi,input-style = <1>;
-			adi,input-justification = "evenly";
 
 			ports {
 				#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index a8e0335148a5..114bf1c4199b 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts
@@ -181,8 +181,6 @@
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
-			adi,input-style = <1>;
-			adi,input-justification = "evenly";
 
 			ports {
 				#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7792-blanche.dts b/arch/arm/boot/dts/r8a7792-blanche.dts
index 248eb717eb35..9368ac2cf508 100644
--- a/arch/arm/boot/dts/r8a7792-blanche.dts
+++ b/arch/arm/boot/dts/r8a7792-blanche.dts
@@ -289,8 +289,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7792-wheat.dts b/arch/arm/boot/dts/r8a7792-wheat.dts
index bd2a63bdab3d..ba2d2a589012 100644
--- a/arch/arm/boot/dts/r8a7792-wheat.dts
+++ b/arch/arm/boot/dts/r8a7792-wheat.dts
@@ -249,14 +249,12 @@
 	 */
 	hdmi@3d {
 		compatible = "adi,adv7513";
-		reg = <0x3d>, <0x2d>, <0x4d>, <0x5d>;
-		reg-names = "main", "cec", "edid", "packet";
+		reg = <0x3d>, <0x4d>, <0x2d>, <0x5d>;
+		reg-names = "main", "edid", "cec", "packet";
 
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
@@ -280,14 +278,12 @@
 
 	hdmi@39 {
 		compatible = "adi,adv7513";
-		reg = <0x39>, <0x29>, <0x49>, <0x59>;
-		reg-names = "main", "cec", "edid", "packet";
+		reg = <0x39>, <0x49>, <0x29>, <0x59>;
+		reg-names = "main", "edid", "cec", "packet";
 
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7793-gose.dts b/arch/arm/boot/dts/r8a7793-gose.dts
index cfe06a74ce89..79baf06019f5 100644
--- a/arch/arm/boot/dts/r8a7793-gose.dts
+++ b/arch/arm/boot/dts/r8a7793-gose.dts
@@ -366,8 +366,6 @@
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
-			adi,input-style = <1>;
-			adi,input-justification = "evenly";
 
 			ports {
 				#address-cells = <1>;
diff --git a/arch/arm/boot/dts/r8a7794-silk.dts b/arch/arm/boot/dts/r8a7794-silk.dts
index 9aaa96ea9943..b8b0941f677c 100644
--- a/arch/arm/boot/dts/r8a7794-silk.dts
+++ b/arch/arm/boot/dts/r8a7794-silk.dts
@@ -255,8 +255,6 @@
 			adi,input-depth = <8>;
 			adi,input-colorspace = "rgb";
 			adi,input-clock = "1x";
-			adi,input-style = <1>;
-			adi,input-justification = "evenly";
 
 			ports {
 				#address-cells = <1>;
diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 781ac7583522..d9a0c9a29b68 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -128,7 +128,7 @@
 		assigned-clocks = <&cru SCLK_GPU>;
 		assigned-clock-rates = <100000000>;
 		clocks = <&cru SCLK_GPU>, <&cru SCLK_GPU>;
-		clock-names = "core", "bus";
+		clock-names = "bus", "core";
 		resets = <&cru SRST_GPU>;
 		status = "disabled";
 	};
diff --git a/arch/arm/boot/dts/rk3228-evb.dts b/arch/arm/boot/dts/rk3228-evb.dts
index 5670b33fd1bd..aed879db6c15 100644
--- a/arch/arm/boot/dts/rk3228-evb.dts
+++ b/arch/arm/boot/dts/rk3228-evb.dts
@@ -46,7 +46,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		phy: phy@0 {
+		phy: ethernet-phy@0 {
 			compatible = "ethernet-phy-id1234.d400", "ethernet-phy-ieee802.3-c22";
 			reg = <0>;
 			clocks = <&cru SCLK_MAC_PHY>;
diff --git a/arch/arm/boot/dts/rk3229-xms6.dts b/arch/arm/boot/dts/rk3229-xms6.dts
index 679fc2b00e5a..933ef69da32a 100644
--- a/arch/arm/boot/dts/rk3229-xms6.dts
+++ b/arch/arm/boot/dts/rk3229-xms6.dts
@@ -150,7 +150,7 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		phy: phy@0 {
+		phy: ethernet-phy@0 {
 			compatible = "ethernet-phy-id1234.d400",
 			             "ethernet-phy-ieee802.3-c22";
 			reg = <0>;
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 06172ebbf0ce..5485a9918da6 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -555,7 +555,7 @@
 				  "pp1",
 				  "ppmmu1";
 		clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
-		clock-names = "core", "bus";
+		clock-names = "bus", "core";
 		resets = <&cru SRST_GPU_A>;
 		status = "disabled";
 	};
@@ -1020,7 +1020,7 @@
 			};
 		};
 
-		spi-0 {
+		spi0 {
 			spi0_clk: spi0-clk {
 				rockchip,pins = <0 RK_PB1 2 &pcfg_pull_up>;
 			};
@@ -1038,7 +1038,7 @@
 			};
 		};
 
-		spi-1 {
+		spi1 {
 			spi1_clk: spi1-clk {
 				rockchip,pins = <0 RK_PC7 2 &pcfg_pull_up>;
 			};
diff --git a/arch/arm/boot/dts/rk3xxx.dtsi b/arch/arm/boot/dts/rk3xxx.dtsi
index f9fcb7e9657b..d929b60517ab 100644
--- a/arch/arm/boot/dts/rk3xxx.dtsi
+++ b/arch/arm/boot/dts/rk3xxx.dtsi
@@ -84,7 +84,7 @@
 		compatible = "arm,mali-400";
 		reg = <0x10090000 0x10000>;
 		clocks = <&cru ACLK_GPU>, <&cru ACLK_GPU>;
-		clock-names = "core", "bus";
+		clock-names = "bus", "core";
 		assigned-clocks = <&cru ACLK_GPU>;
 		assigned-clock-rates = <100000000>;
 		resets = <&cru SRST_GPU>;
diff --git a/arch/arm/configs/keystone_defconfig b/arch/arm/configs/keystone_defconfig
index 11e2211f9007..84a3b055f253 100644
--- a/arch/arm/configs/keystone_defconfig
+++ b/arch/arm/configs/keystone_defconfig
@@ -147,6 +147,7 @@ CONFIG_I2C_DAVINCI=y
 CONFIG_SPI=y
 CONFIG_SPI_DAVINCI=y
 CONFIG_SPI_SPIDEV=y
+CONFIG_PTP_1588_CLOCK=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_GPIOLIB=y
 CONFIG_GPIO_SYSFS=y
diff --git a/arch/arm/configs/omap2plus_defconfig b/arch/arm/configs/omap2plus_defconfig
index 3cc3ca5fa027..8b83d4a5d309 100644
--- a/arch/arm/configs/omap2plus_defconfig
+++ b/arch/arm/configs/omap2plus_defconfig
@@ -274,6 +274,7 @@ CONFIG_SPI_TI_QSPI=m
 CONFIG_HSI=m
 CONFIG_OMAP_SSI=m
 CONFIG_SSI_PROTOCOL=m
+CONFIG_PTP_1588_CLOCK=y
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
diff --git a/arch/arm/mach-oxnas/platsmp.c b/arch/arm/mach-oxnas/platsmp.c
index ab35275b7ee3..f0a50b9e61df 100644
--- a/arch/arm/mach-oxnas/platsmp.c
+++ b/arch/arm/mach-oxnas/platsmp.c
@@ -27,7 +27,8 @@ static void __iomem *gic_cpu_ctrl;
 #define GIC_CPU_CTRL			0x00
 #define GIC_CPU_CTRL_ENABLE		1
 
-int __init ox820_boot_secondary(unsigned int cpu, struct task_struct *idle)
+static int __init ox820_boot_secondary(unsigned int cpu,
+		struct task_struct *idle)
 {
 	/*
 	 * Write the address of secondary startup into the
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 40fb05d96c60..5d513f461957 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -20,6 +20,7 @@ config ARM64
 	select ARCH_HAS_KCOV
 	select ARCH_HAS_KEEPINITRD
 	select ARCH_HAS_MEMBARRIER_SYNC_CORE
+	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PTE_DEVMAP
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_SETUP_DMA_OPS
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
index 316e8a443913..dc4ab6b434f9 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts
@@ -98,7 +98,7 @@
 };
 
 &codec_analog {
-	hpvcc-supply = <&reg_eldo1>;
+	cpvdd-supply = <&reg_eldo1>;
 	status = "okay";
 };
 
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 31143fe64d91..c26cc1fcaffd 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -154,24 +154,6 @@
 		};
 	};
 
-	sound_spdif {
-		compatible = "simple-audio-card";
-		simple-audio-card,name = "On-board SPDIF";
-
-		simple-audio-card,cpu {
-			sound-dai = <&spdif>;
-		};
-
-		simple-audio-card,codec {
-			sound-dai = <&spdif_out>;
-		};
-	};
-
-	spdif_out: spdif-out {
-		#sound-dai-cells = <0>;
-		compatible = "linux,spdif-dit";
-	};
-
 	timer {
 		compatible = "arm,armv8-timer";
 		allwinner,erratum-unknown1;
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index 0882ea215b88..c0aef7d69117 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2319,7 +2319,7 @@
 				reg = <0x0 0xff400000 0x0 0x40000>;
 				interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
-				clock-names = "ddr";
+				clock-names = "otg";
 				phys = <&usb2_phy1>;
 				phy-names = "usb2-phy";
 				dr_mode = "peripheral";
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
index 783e5a397f86..55d39020ec72 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12.dtsi
@@ -1,4 +1,3 @@
-
 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
 /*
  * Copyright (c) 2019 BayLibre, SAS
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
index c33e85fbdaba..c6c8caed8327 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi
@@ -154,6 +154,10 @@
 	clock-latency = <50000>;
 };
 
+&frddr_a {
+	status = "okay";
+};
+
 &frddr_b {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
index 325e448eb09c..06c5430eb92d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-ugoos-am6.dts
@@ -545,7 +545,7 @@
 &usb {
 	status = "okay";
 	dr_mode = "host";
-	vbus-regulator = <&usb_pwr_en>;
+	vbus-supply = <&usb_pwr_en>;
 };
 
 &usb2_phy0 {
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index 2a7f70b71149..13d0570c7ed6 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -447,7 +447,7 @@
 
 		edma0: dma-controller@22c0000 {
 			#dma-cells = <2>;
-			compatible = "fsl,ls1028a-edma";
+			compatible = "fsl,ls1028a-edma", "fsl,vf610-edma";
 			reg = <0x0 0x22c0000 0x0 0x10000>,
 			      <0x0 0x22d0000 0x0 0x10000>,
 			      <0x0 0x22e0000 0x0 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
index cc7152ecedd9..8829628f757a 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
@@ -264,7 +264,7 @@
 
 		aips1: bus@30000000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x301f0000 0x10000>;
+			reg = <0x30000000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30000000 0x30000000 0x400000>;
@@ -543,7 +543,7 @@
 
 		aips2: bus@30400000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x305f0000 0x10000>;
+			reg = <0x30400000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30400000 0x30400000 0x400000>;
@@ -603,7 +603,7 @@
 
 		aips3: bus@30800000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x309f0000 0x10000>;
+			reg = <0x30800000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30800000 0x30800000 0x400000>,
@@ -863,7 +863,7 @@
 
 		aips4: bus@32c00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x32df0000 0x10000>;
+			reg = <0x32c00000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x32c00000 0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
index fa78f0163270..43971abe218b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi
@@ -241,7 +241,7 @@
 
 		aips1: bus@30000000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x301f0000 0x10000>;
+			reg = <0x30000000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -448,7 +448,7 @@
 
 		aips2: bus@30400000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x305f0000 0x10000>;
+			reg = <0x30400000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -508,7 +508,7 @@
 
 		aips3: bus@30800000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x309f0000 0x10000>;
+			reg = <0x30800000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -718,7 +718,7 @@
 				reg = <0x30bd0000 0x10000>;
 				interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MN_CLK_SDMA1_ROOT>,
-					 <&clk IMX8MN_CLK_SDMA1_ROOT>;
+					 <&clk IMX8MN_CLK_AHB>;
 				clock-names = "ipg", "ahb";
 				#dma-cells = <3>;
 				fsl,sdma-ram-script-name = "imx/sdma/sdma-imx7d.bin";
@@ -754,7 +754,7 @@
 
 		aips4: bus@32c00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x32df0000 0x10000>;
+			reg = <0x32c00000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
index da78f89b6c98..319ab34cab3e 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h
@@ -151,26 +151,26 @@
 #define MX8MP_IOMUXC_ENET_TXC__SIM_M_HADDR22                         0x070 0x2D0 0x000 0x7 0x0
 #define MX8MP_IOMUXC_ENET_RX_CTL__ENET_QOS_RGMII_RX_CTL              0x074 0x2D4 0x000 0x0 0x0
 #define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_SAI7_TX_SYNC              0x074 0x2D4 0x540 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_BIT_STREAM03              0x074 0x2D4 0x4CC 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RX_CTL__AUDIOMIX_BIT_STREAM03              0x074 0x2D4 0x4CC 0x3 0x1
 #define MX8MP_IOMUXC_ENET_RX_CTL__GPIO1_IO24                         0x074 0x2D4 0x000 0x5 0x0
 #define MX8MP_IOMUXC_ENET_RX_CTL__USDHC3_DATA2                       0x074 0x2D4 0x618 0x6 0x0
 #define MX8MP_IOMUXC_ENET_RX_CTL__SIM_M_HADDR23                      0x074 0x2D4 0x000 0x7 0x0
 #define MX8MP_IOMUXC_ENET_RXC__CCM_ENET_QOS_CLOCK_GENERATE_RX_CLK    0x078 0x2D8 0x000 0x0 0x0
 #define MX8MP_IOMUXC_ENET_RXC__ENET_QOS_RX_ER                        0x078 0x2D8 0x000 0x1 0x0
 #define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_SAI7_TX_BCLK                 0x078 0x2D8 0x53C 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_BIT_STREAM02                 0x078 0x2D8 0x4C8 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RXC__AUDIOMIX_BIT_STREAM02                 0x078 0x2D8 0x4C8 0x3 0x1
 #define MX8MP_IOMUXC_ENET_RXC__GPIO1_IO25                            0x078 0x2D8 0x000 0x5 0x0
 #define MX8MP_IOMUXC_ENET_RXC__USDHC3_DATA3                          0x078 0x2D8 0x61C 0x6 0x0
 #define MX8MP_IOMUXC_ENET_RXC__SIM_M_HADDR24                         0x078 0x2D8 0x000 0x7 0x0
 #define MX8MP_IOMUXC_ENET_RD0__ENET_QOS_RGMII_RD0                    0x07C 0x2DC 0x000 0x0 0x0
 #define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_SAI7_RX_DATA00               0x07C 0x2DC 0x534 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_BIT_STREAM01                 0x07C 0x2DC 0x4C4 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RD0__AUDIOMIX_BIT_STREAM01                 0x07C 0x2DC 0x4C4 0x3 0x1
 #define MX8MP_IOMUXC_ENET_RD0__GPIO1_IO26                            0x07C 0x2DC 0x000 0x5 0x0
 #define MX8MP_IOMUXC_ENET_RD0__USDHC3_DATA4                          0x07C 0x2DC 0x620 0x6 0x0
 #define MX8MP_IOMUXC_ENET_RD0__SIM_M_HADDR25                         0x07C 0x2DC 0x000 0x7 0x0
 #define MX8MP_IOMUXC_ENET_RD1__ENET_QOS_RGMII_RD1                    0x080 0x2E0 0x000 0x0 0x0
 #define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_SAI7_RX_SYNC                 0x080 0x2E0 0x538 0x2 0x0
-#define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_BIT_STREAM00                 0x080 0x2E0 0x4C0 0x3 0x0
+#define MX8MP_IOMUXC_ENET_RD1__AUDIOMIX_BIT_STREAM00                 0x080 0x2E0 0x4C0 0x3 0x1
 #define MX8MP_IOMUXC_ENET_RD1__GPIO1_IO27                            0x080 0x2E0 0x000 0x5 0x0
 #define MX8MP_IOMUXC_ENET_RD1__USDHC3_RESET_B                        0x080 0x2E0 0x000 0x6 0x0
 #define MX8MP_IOMUXC_ENET_RD1__SIM_M_HADDR26                         0x080 0x2E0 0x000 0x7 0x0
@@ -291,7 +291,7 @@
 #define MX8MP_IOMUXC_SD2_DATA0__I2C4_SDA                             0x0C8 0x328 0x5C0 0x2 0x1
 #define MX8MP_IOMUXC_SD2_DATA0__UART2_DCE_RX                         0x0C8 0x328 0x5F0 0x3 0x2
 #define MX8MP_IOMUXC_SD2_DATA0__UART2_DTE_TX                         0x0C8 0x328 0x000 0x3 0x0
-#define MX8MP_IOMUXC_SD2_DATA0__AUDIOMIX_BIT_STREAM00                0x0C8 0x328 0x4C0 0x4 0x1
+#define MX8MP_IOMUXC_SD2_DATA0__AUDIOMIX_BIT_STREAM00                0x0C8 0x328 0x4C0 0x4 0x2
 #define MX8MP_IOMUXC_SD2_DATA0__GPIO2_IO15                           0x0C8 0x328 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SD2_DATA0__CCMSRCGPCMIX_OBSERVE2                0x0C8 0x328 0x000 0x6 0x0
 #define MX8MP_IOMUXC_SD2_DATA0__OBSERVE_MUX_OUT02                    0x0C8 0x328 0x000 0x7 0x0
@@ -313,7 +313,7 @@
 #define MX8MP_IOMUXC_SD2_DATA3__USDHC2_DATA3                         0x0D4 0x334 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SD2_DATA3__ECSPI2_MISO                          0x0D4 0x334 0x56C 0x2 0x0
 #define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_SPDIF_IN                    0x0D4 0x334 0x544 0x3 0x1
-#define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_BIT_STREAM03                0x0D4 0x334 0x4CC 0x4 0x1
+#define MX8MP_IOMUXC_SD2_DATA3__AUDIOMIX_BIT_STREAM03                0x0D4 0x334 0x4CC 0x4 0x2
 #define MX8MP_IOMUXC_SD2_DATA3__GPIO2_IO18                           0x0D4 0x334 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SD2_DATA3__CCMSRCGPCMIX_EARLY_RESET             0x0D4 0x334 0x000 0x6 0x0
 #define MX8MP_IOMUXC_SD2_RESET_B__USDHC2_RESET_B                     0x0D8 0x338 0x000 0x0 0x0
@@ -487,27 +487,27 @@
 #define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_SAI1_TX_DATA02              0x134 0x394 0x000 0x1 0x0
 #define MX8MP_IOMUXC_SAI5_RXD0__PWM2_OUT                             0x134 0x394 0x000 0x2 0x0
 #define MX8MP_IOMUXC_SAI5_RXD0__I2C5_SCL                             0x134 0x394 0x5C4 0x3 0x1
-#define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_BIT_STREAM00                0x134 0x394 0x4C0 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD0__AUDIOMIX_BIT_STREAM00                0x134 0x394 0x4C0 0x4 0x3
 #define MX8MP_IOMUXC_SAI5_RXD0__GPIO3_IO21                           0x134 0x394 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI5_RX_DATA01              0x138 0x398 0x4FC 0x0 0x0
 #define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI1_TX_DATA03              0x138 0x398 0x000 0x1 0x0
 #define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI1_TX_SYNC                0x138 0x398 0x4D8 0x2 0x0
 #define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_SAI5_TX_SYNC                0x138 0x398 0x510 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_BIT_STREAM01                0x138 0x398 0x4C4 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD1__AUDIOMIX_BIT_STREAM01                0x138 0x398 0x4C4 0x4 0x3
 #define MX8MP_IOMUXC_SAI5_RXD1__GPIO3_IO22                           0x138 0x398 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI5_RXD1__CAN1_TX                              0x138 0x398 0x000 0x6 0x0
 #define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI5_RX_DATA02              0x13C 0x39C 0x500 0x0 0x0
 #define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI1_TX_DATA04              0x13C 0x39C 0x000 0x1 0x0
 #define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI1_TX_SYNC                0x13C 0x39C 0x4D8 0x2 0x1
 #define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_SAI5_TX_BCLK                0x13C 0x39C 0x50C 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_BIT_STREAM02                0x13C 0x39C 0x4C8 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD2__AUDIOMIX_BIT_STREAM02                0x13C 0x39C 0x4C8 0x4 0x3
 #define MX8MP_IOMUXC_SAI5_RXD2__GPIO3_IO23                           0x13C 0x39C 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI5_RXD2__CAN1_RX                              0x13C 0x39C 0x54C 0x6 0x0
 #define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI5_RX_DATA03              0x140 0x3A0 0x504 0x0 0x0
 #define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI1_TX_DATA05              0x140 0x3A0 0x000 0x1 0x0
 #define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI1_TX_SYNC                0x140 0x3A0 0x4D8 0x2 0x2
 #define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_SAI5_TX_DATA00              0x140 0x3A0 0x000 0x3 0x0
-#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_BIT_STREAM03                0x140 0x3A0 0x4CC 0x4 0x2
+#define MX8MP_IOMUXC_SAI5_RXD3__AUDIOMIX_BIT_STREAM03                0x140 0x3A0 0x4CC 0x4 0x3
 #define MX8MP_IOMUXC_SAI5_RXD3__GPIO3_IO24                           0x140 0x3A0 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI5_RXD3__CAN2_TX                              0x140 0x3A0 0x000 0x6 0x0
 #define MX8MP_IOMUXC_SAI5_MCLK__AUDIOMIX_SAI5_MCLK                   0x144 0x3A4 0x4F0 0x0 0x0
@@ -528,22 +528,22 @@
 #define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI1_RX_DATA00              0x150 0x3B0 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI5_RX_DATA00              0x150 0x3B0 0x4F8 0x1 0x1
 #define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_SAI1_TX_DATA01              0x150 0x3B0 0x000 0x2 0x0
-#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_BIT_STREAM00                0x150 0x3B0 0x4C0 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD0__AUDIOMIX_BIT_STREAM00                0x150 0x3B0 0x4C0 0x3 0x4
 #define MX8MP_IOMUXC_SAI1_RXD0__ENET1_1588_EVENT1_IN                 0x150 0x3B0 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI1_RXD0__GPIO4_IO02                           0x150 0x3B0 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_SAI1_RX_DATA01              0x154 0x3B4 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_SAI5_RX_DATA01              0x154 0x3B4 0x4FC 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_BIT_STREAM01                0x154 0x3B4 0x4C4 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD1__AUDIOMIX_BIT_STREAM01                0x154 0x3B4 0x4C4 0x3 0x4
 #define MX8MP_IOMUXC_SAI1_RXD1__ENET1_1588_EVENT1_OUT                0x154 0x3B4 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI1_RXD1__GPIO4_IO03                           0x154 0x3B4 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_SAI1_RX_DATA02              0x158 0x3B8 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_SAI5_RX_DATA02              0x158 0x3B8 0x500 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_BIT_STREAM02                0x158 0x3B8 0x4C8 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD2__AUDIOMIX_BIT_STREAM02                0x158 0x3B8 0x4C8 0x3 0x4
 #define MX8MP_IOMUXC_SAI1_RXD2__ENET1_MDC                            0x158 0x3B8 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI1_RXD2__GPIO4_IO04                           0x158 0x3B8 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_SAI1_RX_DATA03              0x15C 0x3BC 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_SAI5_RX_DATA03              0x15C 0x3BC 0x504 0x1 0x1
-#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_BIT_STREAM03                0x15C 0x3BC 0x4CC 0x3 0x3
+#define MX8MP_IOMUXC_SAI1_RXD3__AUDIOMIX_BIT_STREAM03                0x15C 0x3BC 0x4CC 0x3 0x4
 #define MX8MP_IOMUXC_SAI1_RXD3__ENET1_MDIO                           0x15C 0x3BC 0x57C 0x4 0x1
 #define MX8MP_IOMUXC_SAI1_RXD3__GPIO4_IO05                           0x15C 0x3BC 0x000 0x5 0x0
 #define MX8MP_IOMUXC_SAI1_RXD4__AUDIOMIX_SAI1_RX_DATA04              0x160 0x3C0 0x000 0x0 0x0
@@ -624,7 +624,7 @@
 #define MX8MP_IOMUXC_SAI2_RXFS__UART1_DCE_TX                         0x19C 0x3FC 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI2_RXFS__UART1_DTE_RX                         0x19C 0x3FC 0x5E8 0x4 0x2
 #define MX8MP_IOMUXC_SAI2_RXFS__GPIO4_IO21                           0x19C 0x3FC 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_BIT_STREAM02                0x19C 0x3FC 0x4C8 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXFS__AUDIOMIX_BIT_STREAM02                0x19C 0x3FC 0x4C8 0x6 0x5
 #define MX8MP_IOMUXC_SAI2_RXFS__SIM_M_HSIZE00                        0x19C 0x3FC 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_SAI2_RX_BCLK                 0x1A0 0x400 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_SAI5_TX_BCLK                 0x1A0 0x400 0x50C 0x1 0x2
@@ -632,7 +632,7 @@
 #define MX8MP_IOMUXC_SAI2_RXC__UART1_DCE_RX                          0x1A0 0x400 0x5E8 0x4 0x3
 #define MX8MP_IOMUXC_SAI2_RXC__UART1_DTE_TX                          0x1A0 0x400 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI2_RXC__GPIO4_IO22                            0x1A0 0x400 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_BIT_STREAM01                 0x1A0 0x400 0x4C4 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXC__AUDIOMIX_BIT_STREAM01                 0x1A0 0x400 0x4C4 0x6 0x5
 #define MX8MP_IOMUXC_SAI2_RXC__SIM_M_HSIZE01                         0x1A0 0x400 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI2_RX_DATA00              0x1A4 0x404 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_SAI5_TX_DATA00              0x1A4 0x404 0x000 0x1 0x0
@@ -641,7 +641,7 @@
 #define MX8MP_IOMUXC_SAI2_RXD0__UART1_DCE_RTS                        0x1A4 0x404 0x5E4 0x4 0x2
 #define MX8MP_IOMUXC_SAI2_RXD0__UART1_DTE_CTS                        0x1A4 0x404 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI2_RXD0__GPIO4_IO23                           0x1A4 0x404 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_BIT_STREAM03                0x1A4 0x404 0x4CC 0x6 0x4
+#define MX8MP_IOMUXC_SAI2_RXD0__AUDIOMIX_BIT_STREAM03                0x1A4 0x404 0x4CC 0x6 0x5
 #define MX8MP_IOMUXC_SAI2_RXD0__SIM_M_HSIZE02                        0x1A4 0x404 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI2_TX_SYNC                0x1A8 0x408 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_SAI5_TX_DATA01              0x1A8 0x408 0x000 0x1 0x0
@@ -650,13 +650,13 @@
 #define MX8MP_IOMUXC_SAI2_TXFS__UART1_DCE_CTS                        0x1A8 0x408 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI2_TXFS__UART1_DTE_RTS                        0x1A8 0x408 0x5E4 0x4 0x3
 #define MX8MP_IOMUXC_SAI2_TXFS__GPIO4_IO24                           0x1A8 0x408 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_BIT_STREAM02                0x1A8 0x408 0x4C8 0x6 0x5
+#define MX8MP_IOMUXC_SAI2_TXFS__AUDIOMIX_BIT_STREAM02                0x1A8 0x408 0x4C8 0x6 0x6
 #define MX8MP_IOMUXC_SAI2_TXFS__SIM_M_HWRITE                         0x1A8 0x408 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI2_TX_BCLK                 0x1AC 0x40C 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_SAI5_TX_DATA02               0x1AC 0x40C 0x000 0x1 0x0
 #define MX8MP_IOMUXC_SAI2_TXC__CAN1_RX                               0x1AC 0x40C 0x54C 0x3 0x1
 #define MX8MP_IOMUXC_SAI2_TXC__GPIO4_IO25                            0x1AC 0x40C 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_BIT_STREAM01                 0x1AC 0x40C 0x4C4 0x6 0x5
+#define MX8MP_IOMUXC_SAI2_TXC__AUDIOMIX_BIT_STREAM01                 0x1AC 0x40C 0x4C4 0x6 0x6
 #define MX8MP_IOMUXC_SAI2_TXC__SIM_M_HREADYOUT                       0x1AC 0x40C 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI2_TX_DATA00              0x1B0 0x410 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI2_TXD0__AUDIOMIX_SAI5_TX_DATA03              0x1B0 0x410 0x000 0x1 0x0
@@ -680,7 +680,7 @@
 #define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_SAI3_RX_DATA01              0x1B8 0x418 0x000 0x3 0x0
 #define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_SPDIF_IN                    0x1B8 0x418 0x544 0x4 0x2
 #define MX8MP_IOMUXC_SAI3_RXFS__GPIO4_IO28                           0x1B8 0x418 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_BIT_STREAM00                0x1B8 0x418 0x4C0 0x6 0x4
+#define MX8MP_IOMUXC_SAI3_RXFS__AUDIOMIX_BIT_STREAM00                0x1B8 0x418 0x4C0 0x6 0x5
 #define MX8MP_IOMUXC_SAI3_RXFS__TPSMP_HTRANS00                       0x1B8 0x418 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI3_RXC__AUDIOMIX_SAI3_RX_BCLK                 0x1BC 0x41C 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI3_RXC__AUDIOMIX_SAI2_RX_DATA02               0x1BC 0x41C 0x000 0x1 0x0
@@ -697,7 +697,7 @@
 #define MX8MP_IOMUXC_SAI3_RXD__UART2_DCE_RTS                         0x1C0 0x420 0x5EC 0x4 0x3
 #define MX8MP_IOMUXC_SAI3_RXD__UART2_DTE_CTS                         0x1C0 0x420 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI3_RXD__GPIO4_IO30                            0x1C0 0x420 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_BIT_STREAM01                 0x1C0 0x420 0x4C4 0x6 0x6
+#define MX8MP_IOMUXC_SAI3_RXD__AUDIOMIX_BIT_STREAM01                 0x1C0 0x420 0x4C4 0x6 0x7
 #define MX8MP_IOMUXC_SAI3_RXD__TPSMP_HDATA00                         0x1C0 0x420 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI3_TX_SYNC                0x1C4 0x424 0x4EC 0x0 0x1
 #define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_SAI2_TX_DATA01              0x1C4 0x424 0x000 0x1 0x0
@@ -706,7 +706,7 @@
 #define MX8MP_IOMUXC_SAI3_TXFS__UART2_DCE_RX                         0x1C4 0x424 0x5F0 0x4 0x4
 #define MX8MP_IOMUXC_SAI3_TXFS__UART2_DTE_TX                         0x1C4 0x424 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI3_TXFS__GPIO4_IO31                           0x1C4 0x424 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_BIT_STREAM03                0x1C4 0x424 0x4CC 0x6 0x5
+#define MX8MP_IOMUXC_SAI3_TXFS__AUDIOMIX_BIT_STREAM03                0x1C4 0x424 0x4CC 0x6 0x6
 #define MX8MP_IOMUXC_SAI3_TXFS__TPSMP_HDATA01                        0x1C4 0x424 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI3_TX_BCLK                 0x1C8 0x428 0x4E8 0x0 0x1
 #define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_SAI2_TX_DATA02               0x1C8 0x428 0x000 0x1 0x0
@@ -715,7 +715,7 @@
 #define MX8MP_IOMUXC_SAI3_TXC__UART2_DCE_TX                          0x1C8 0x428 0x000 0x4 0x0
 #define MX8MP_IOMUXC_SAI3_TXC__UART2_DTE_RX                          0x1C8 0x428 0x5F0 0x4 0x5
 #define MX8MP_IOMUXC_SAI3_TXC__GPIO5_IO00                            0x1C8 0x428 0x000 0x5 0x0
-#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_BIT_STREAM02                 0x1C8 0x428 0x4C8 0x6 0x6
+#define MX8MP_IOMUXC_SAI3_TXC__AUDIOMIX_BIT_STREAM02                 0x1C8 0x428 0x4C8 0x6 0x7
 #define MX8MP_IOMUXC_SAI3_TXC__TPSMP_HDATA02                         0x1C8 0x428 0x000 0x7 0x0
 #define MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI3_TX_DATA00               0x1CC 0x42C 0x000 0x0 0x0
 #define MX8MP_IOMUXC_SAI3_TXD__AUDIOMIX_SAI2_TX_DATA03               0x1CC 0x42C 0x000 0x1 0x0
diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
index 9b1616e59d58..9f6ba763238d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
@@ -145,7 +145,7 @@
 
 		aips1: bus@30000000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x301f0000 0x10000>;
+			reg = <0x30000000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -318,7 +318,7 @@
 
 		aips2: bus@30400000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x305f0000 0x400000>;
+			reg = <0x30400000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
@@ -378,7 +378,7 @@
 
 		aips3: bus@30800000 {
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x309f0000 0x400000>;
+			reg = <0x30800000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges;
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 75b384217a23..bab88369be1b 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -291,7 +291,7 @@
 
 		bus@30000000 { /* AIPS1 */
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x301f0000 0x10000>;
+			reg = <0x30000000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30000000 0x30000000 0x400000>;
@@ -696,7 +696,7 @@
 
 		bus@30400000 { /* AIPS2 */
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x305f0000 0x10000>;
+			reg = <0x30400000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30400000 0x30400000 0x400000>;
@@ -756,7 +756,7 @@
 
 		bus@30800000 { /* AIPS3 */
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x309f0000 0x10000>;
+			reg = <0x30800000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x30800000 0x30800000 0x400000>,
@@ -1029,7 +1029,7 @@
 
 		bus@32c00000 { /* AIPS4 */
 			compatible = "fsl,aips-bus", "simple-bus";
-			reg = <0x32df0000 0x10000>;
+			reg = <0x32c00000 0x400000>;
 			#address-cells = <1>;
 			#size-cells = <1>;
 			ranges = <0x32c00000 0x32c00000 0x400000>;
diff --git a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
index af87350b5547..c4abbccf2bed 100644
--- a/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8096-db820c.dtsi
@@ -658,8 +658,8 @@
 	s11 {
 		qcom,saw-leader;
 		regulator-always-on;
-		regulator-min-microvolt = <1230000>;
-		regulator-max-microvolt = <1230000>;
+		regulator-min-microvolt = <980000>;
+		regulator-max-microvolt = <980000>;
 	};
 };
 
@@ -908,10 +908,27 @@
 	status = "okay";
 };
 
+&q6asmdai {
+	dai@0 {
+		reg = <0>;
+	};
+
+	dai@1 {
+		reg = <1>;
+	};
+
+	dai@2 {
+		reg = <2>;
+	};
+};
+
 &sound {
 	compatible = "qcom,apq8096-sndcard";
 	model = "DB820c";
-	audio-routing =	"RX_BIAS", "MCLK";
+	audio-routing =	"RX_BIAS", "MCLK",
+		"MM_DL1",  "MultiMedia1 Playback",
+		"MM_DL2",  "MultiMedia2 Playback",
+		"MultiMedia3 Capture", "MM_UL3";
 
 	mm1-dai-link {
 		link-name = "MultiMedia1";
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 14827adebd94..98634d5c4440 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -2066,6 +2066,8 @@
 						reg = <APR_SVC_ASM>;
 						q6asmdai: dais {
 							compatible = "qcom,q6asm-dais";
+							#address-cells = <1>;
+							#size-cells = <0>;
 							#sound-dai-cells = <1>;
 							iommus = <&lpass_q6_smmu 1>;
 						};
diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index a2e05926b429..21fd6f8d5799 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -442,17 +442,14 @@
 &q6asmdai {
 	dai@0 {
 		reg = <0>;
-		direction = <2>;
 	};
 
 	dai@1 {
 		reg = <1>;
-		direction = <2>;
 	};
 
 	dai@2 {
 		reg = <2>;
-		direction = <1>;
 	};
 
 	dai@3 {
diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
index 3b617a75fafa..51a670ad15b2 100644
--- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
+++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
@@ -359,12 +359,10 @@
 &q6asmdai {
 	dai@0 {
 		reg = <0>;
-		direction = <2>;
 	};
 
 	dai@1 {
 		reg = <1>;
-		direction = <1>;
 	};
 };
 
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
index 2afb91ec9c8d..ac2156ab3e62 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-eagle.dts
@@ -137,8 +137,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
index d7c7b9156e08..01c4ba0f7be1 100644
--- a/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77970-v3msk.dts
@@ -150,8 +150,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
index 3dde028e22a6..ef8350a062af 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -174,8 +174,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
index adbfd8f07d06..6dff04693223 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77980-v3hsk.dts
@@ -141,8 +141,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77980.dtsi b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
index e01b0508a18f..d672b320bc14 100644
--- a/arch/arm64/boot/dts/renesas/r8a77980.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77980.dtsi
@@ -1318,6 +1318,7 @@
 		ipmmu_vip0: mmu@e7b00000 {
 			compatible = "renesas,ipmmu-r8a77980";
 			reg = <0 0xe7b00000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 4>;
 			power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
 			#iommu-cells = <1>;
 		};
@@ -1325,6 +1326,7 @@
 		ipmmu_vip1: mmu@e7960000 {
 			compatible = "renesas,ipmmu-r8a77980";
 			reg = <0 0xe7960000 0 0x1000>;
+			renesas,ipmmu-main = <&ipmmu_mm 11>;
 			power-domains = <&sysc R8A77980_PD_ALWAYS_ON>;
 			#iommu-cells = <1>;
 		};
diff --git a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
index 4fd2b14fbb8b..dc24cec46ae1 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
@@ -360,8 +360,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
index 67634cb01d6b..79c73a99d2fe 100644
--- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
@@ -272,8 +272,8 @@
 
 	hdmi-encoder@39 {
 		compatible = "adi,adv7511w";
-		reg = <0x39>, <0x3f>, <0x38>, <0x3c>;
-		reg-names = "main", "edid", "packet", "cec";
+		reg = <0x39>, <0x3f>, <0x3c>, <0x38>;
+		reg-names = "main", "edid", "cec", "packet";
 		interrupt-parent = <&gpio1>;
 		interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
 
@@ -284,8 +284,6 @@
 		adi,input-depth = <8>;
 		adi,input-colorspace = "rgb";
 		adi,input-clock = "1x";
-		adi,input-style = <1>;
-		adi,input-justification = "evenly";
 
 		ports {
 			#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi
index f809dd6d5dc3..adc9b8bf5eaa 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -143,7 +143,7 @@
 	};
 
 	arm-pmu {
-		compatible = "arm,cortex-a53-pmu";
+		compatible = "arm,cortex-a35-pmu";
 		interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3308.dtsi b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
index ac43bc3f7031..ac7f694079d0 100644
--- a/arch/arm64/boot/dts/rockchip/rk3308.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3308.dtsi
@@ -127,7 +127,7 @@
 	};
 
 	arm-pmu {
-		compatible = "arm,cortex-a53-pmu";
+		compatible = "arm,cortex-a35-pmu";
 		interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>,
 			     <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
index 49c4b96da3d4..ac29c2744d08 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-evb.dts
@@ -82,17 +82,16 @@
 &gmac2phy {
 	phy-supply = <&vcc_phy>;
 	clock_in_out = "output";
-	assigned-clocks = <&cru SCLK_MAC2PHY_SRC>;
 	assigned-clock-rate = <50000000>;
 	assigned-clocks = <&cru SCLK_MAC2PHY>;
 	assigned-clock-parents = <&cru SCLK_MAC2PHY_SRC>;
-
+	status = "okay";
 };
 
 &i2c1 {
 	status = "okay";
 
-	rk805: rk805@18 {
+	rk805: pmic@18 {
 		compatible = "rockchip,rk805";
 		reg = <0x18>;
 		interrupt-parent = <&gpio2>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
index bf3e546f5266..ebf3eb222e1f 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts
@@ -170,7 +170,7 @@
 &i2c1 {
 	status = "okay";
 
-	rk805: rk805@18 {
+	rk805: pmic@18 {
 		compatible = "rockchip,rk805";
 		reg = <0x18>;
 		interrupt-parent = <&gpio2>;
diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 7e88d88aab98..a4d591d91533 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -299,8 +299,6 @@
 	grf: syscon@ff100000 {
 		compatible = "rockchip,rk3328-grf", "syscon", "simple-mfd";
 		reg = <0x0 0xff100000 0x0 0x1000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 
 		io_domains: io-domains {
 			compatible = "rockchip,rk3328-io-voltage-domain";
@@ -1794,10 +1792,6 @@
 		};
 
 		gmac2phy {
-			fephyled_speed100: fephyled-speed100 {
-				rockchip,pins = <0 RK_PD7 1 &pcfg_pull_none>;
-			};
-
 			fephyled_speed10: fephyled-speed10 {
 				rockchip,pins = <0 RK_PD6 1 &pcfg_pull_none>;
 			};
@@ -1806,18 +1800,6 @@
 				rockchip,pins = <0 RK_PD6 2 &pcfg_pull_none>;
 			};
 
-			fephyled_rxm0: fephyled-rxm0 {
-				rockchip,pins = <0 RK_PD5 1 &pcfg_pull_none>;
-			};
-
-			fephyled_txm0: fephyled-txm0 {
-				rockchip,pins = <0 RK_PD5 2 &pcfg_pull_none>;
-			};
-
-			fephyled_linkm0: fephyled-linkm0 {
-				rockchip,pins = <0 RK_PD4 1 &pcfg_pull_none>;
-			};
-
 			fephyled_rxm1: fephyled-rxm1 {
 				rockchip,pins = <2 RK_PD1 2 &pcfg_pull_none>;
 			};
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
index 5ea281b55fe2..c49982dfd8fc 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
@@ -147,7 +147,7 @@
 			"Speaker", "Speaker Amplifier OUTL",
 			"Speaker", "Speaker Amplifier OUTR";
 
-		simple-audio-card,hp-det-gpio = <&gpio0 RK_PB0 GPIO_ACTIVE_LOW>;
+		simple-audio-card,hp-det-gpio = <&gpio0 RK_PB0 GPIO_ACTIVE_HIGH>;
 		simple-audio-card,aux-devs = <&speaker_amp>;
 		simple-audio-card,pin-switches = "Speaker";
 
@@ -690,7 +690,8 @@
 	fusb0: fusb30x@22 {
 		compatible = "fcs,fusb302";
 		reg = <0x22>;
-		fcs,int_n = <&gpio1 RK_PA2 GPIO_ACTIVE_HIGH>;
+		interrupt-parent = <&gpio1>;
+		interrupts = <RK_PA2 IRQ_TYPE_LEVEL_LOW>;
 		pinctrl-names = "default";
 		pinctrl-0 = <&fusb0_int_gpio>;
 		vbus-supply = <&vbus_typec>;
@@ -788,13 +789,13 @@
 
 	dc-charger {
 		dc_det_gpio: dc-det-gpio {
-			rockchip,pins = <4 RK_PD0 RK_FUNC_GPIO &pcfg_pull_none>;
+			rockchip,pins = <4 RK_PD0 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
 
 	es8316 {
 		hp_det_gpio: hp-det-gpio {
-			rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_down>;
+			rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_up>;
 		};
 	};
 
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 74f2c3d49095..1448f358ed0a 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -403,7 +403,7 @@
 		reset-names = "usb3-otg";
 		status = "disabled";
 
-		usbdrd_dwc3_0: dwc3 {
+		usbdrd_dwc3_0: usb@fe800000 {
 			compatible = "snps,dwc3";
 			reg = <0x0 0xfe800000 0x0 0x100000>;
 			interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH 0>;
@@ -439,7 +439,7 @@
 		reset-names = "usb3-otg";
 		status = "disabled";
 
-		usbdrd_dwc3_1: dwc3 {
+		usbdrd_dwc3_1: usb@fe900000 {
 			compatible = "snps,dwc3";
 			reg = <0x0 0xfe900000 0x0 0x100000>;
 			interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_HIGH 0>;
@@ -1124,8 +1124,6 @@
 	pmugrf: syscon@ff320000 {
 		compatible = "rockchip,rk3399-pmugrf", "syscon", "simple-mfd";
 		reg = <0x0 0xff320000 0x0 0x1000>;
-		#address-cells = <1>;
-		#size-cells = <1>;
 
 		pmu_io_domains: io-domains {
 			compatible = "rockchip,rk3399-pmu-io-voltage-domain";
@@ -1883,10 +1881,10 @@
 	gpu: gpu@ff9a0000 {
 		compatible = "rockchip,rk3399-mali", "arm,mali-t860";
 		reg = <0x0 0xff9a0000 0x0 0x10000>;
-		interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>,
-			     <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
-			     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>;
-		interrupt-names = "gpu", "job", "mmu";
+		interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH 0>,
+			     <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH 0>;
+		interrupt-names = "job", "mmu", "gpu";
 		clocks = <&cru ACLK_GPU>;
 		#cooling-cells = <2>;
 		power-domains = <&power RK3399_PD_GPU>;
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 24e534d85045..03d0189f7d68 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -208,7 +208,7 @@ CONFIG_PCIE_QCOM=y
 CONFIG_PCIE_ARMADA_8K=y
 CONFIG_PCIE_KIRIN=y
 CONFIG_PCIE_HISI_STB=y
-CONFIG_PCIE_TEGRA194=m
+CONFIG_PCIE_TEGRA194_HOST=m
 CONFIG_DEVTMPFS=y
 CONFIG_DEVTMPFS_MOUNT=y
 CONFIG_FW_LOADER_USER_HELPER=y
@@ -567,6 +567,7 @@ CONFIG_MEDIA_DIGITAL_TV_SUPPORT=y
 CONFIG_MEDIA_SDR_SUPPORT=y
 CONFIG_MEDIA_CONTROLLER=y
 CONFIG_VIDEO_V4L2_SUBDEV_API=y
+CONFIG_MEDIA_PLATFORM_SUPPORT=y
 # CONFIG_DVB_NET is not set
 CONFIG_MEDIA_USB_SUPPORT=y
 CONFIG_USB_VIDEO_CLASS=m
@@ -610,8 +611,9 @@ CONFIG_DRM_MSM=m
 CONFIG_DRM_TEGRA=m
 CONFIG_DRM_PANEL_LVDS=m
 CONFIG_DRM_PANEL_SIMPLE=m
-CONFIG_DRM_DUMB_VGA_DAC=m
+CONFIG_DRM_SIMPLE_BRIDGE=m
 CONFIG_DRM_PANEL_TRULY_NT35597_WQXGA=m
+CONFIG_DRM_DISPLAY_CONNECTOR=m
 CONFIG_DRM_SII902X=m
 CONFIG_DRM_THINE_THC63LVD1024=m
 CONFIG_DRM_TI_SN65DSI86=m
@@ -848,7 +850,8 @@ CONFIG_QCOM_APR=m
 CONFIG_ARCH_R8A774A1=y
 CONFIG_ARCH_R8A774B1=y
 CONFIG_ARCH_R8A774C0=y
-CONFIG_ARCH_R8A7795=y
+CONFIG_ARCH_R8A77950=y
+CONFIG_ARCH_R8A77951=y
 CONFIG_ARCH_R8A77960=y
 CONFIG_ARCH_R8A77961=y
 CONFIG_ARCH_R8A77965=y
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index 32fc8061aa76..bc5c7b091152 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -304,7 +304,7 @@ do {									\
 		__p = uaccess_mask_ptr(__p);				\
 		__raw_get_user((x), __p, (err));			\
 	} else {							\
-		(x) = 0; (err) = -EFAULT;				\
+		(x) = (__force __typeof__(x))0; (err) = -EFAULT;	\
 	}								\
 } while (0)
 
diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c
index 8e9c924423b4..a0b144cfaea7 100644
--- a/arch/arm64/kernel/machine_kexec.c
+++ b/arch/arm64/kernel/machine_kexec.c
@@ -177,6 +177,7 @@ void machine_kexec(struct kimage *kimage)
 	 * the offline CPUs. Therefore, we must use the __* variant here.
 	 */
 	__flush_icache_range((uintptr_t)reboot_code_buffer,
+			     (uintptr_t)reboot_code_buffer +
 			     arm64_relocate_new_kernel_size);
 
 	/* Flush the kimage list and its buffers. */
diff --git a/arch/arm64/kernel/ptrace.c b/arch/arm64/kernel/ptrace.c
index b3d3005d9515..e7b01904f180 100644
--- a/arch/arm64/kernel/ptrace.c
+++ b/arch/arm64/kernel/ptrace.c
@@ -1829,10 +1829,11 @@ static void tracehook_report_syscall(struct pt_regs *regs,
 
 int syscall_trace_enter(struct pt_regs *regs)
 {
-	if (test_thread_flag(TIF_SYSCALL_TRACE) ||
-		test_thread_flag(TIF_SYSCALL_EMU)) {
+	unsigned long flags = READ_ONCE(current_thread_info()->flags);
+
+	if (flags & (_TIF_SYSCALL_EMU | _TIF_SYSCALL_TRACE)) {
 		tracehook_report_syscall(regs, PTRACE_SYSCALL_ENTER);
-		if (!in_syscall(regs) || test_thread_flag(TIF_SYSCALL_EMU))
+		if (!in_syscall(regs) || (flags & _TIF_SYSCALL_EMU))
 			return -1;
 	}
 
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index 94545d50d40f..bd31ab12f77d 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -8,6 +8,7 @@ config CSKY
 	select ARCH_HAS_SYNC_DMA_FOR_DEVICE
 	select ARCH_USE_BUILTIN_BSWAP
 	select ARCH_USE_QUEUED_RWLOCKS if NR_CPUS>2
+	select ARCH_WANT_FRAME_POINTERS if !CPU_CK610
 	select COMMON_CLK
 	select CLKSRC_MMIO
 	select CSKY_MPINTC if CPU_CK860
@@ -38,6 +39,7 @@ config CSKY
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_AUDITSYSCALL
 	select HAVE_COPY_THREAD_TLS
+	select HAVE_DEBUG_BUGVERBOSE
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_DYNAMIC_FTRACE_WITH_REGS
 	select HAVE_FUNCTION_TRACER
diff --git a/arch/csky/Makefile b/arch/csky/Makefile
index fb1bbbd91954..37f593a4bf53 100644
--- a/arch/csky/Makefile
+++ b/arch/csky/Makefile
@@ -47,7 +47,7 @@ ifeq ($(CSKYABI),abiv2)
 KBUILD_CFLAGS += -mno-stack-size
 endif
 
-ifdef CONFIG_STACKTRACE
+ifdef CONFIG_FRAME_POINTER
 KBUILD_CFLAGS += -mbacktrace
 endif
 
diff --git a/arch/csky/abiv1/inc/abi/entry.h b/arch/csky/abiv1/inc/abi/entry.h
index 5056ebb902d1..61d94ec7dd16 100644
--- a/arch/csky/abiv1/inc/abi/entry.h
+++ b/arch/csky/abiv1/inc/abi/entry.h
@@ -167,8 +167,8 @@
 	 *   BA     Reserved  C   D   V
 	 */
 	cprcr	r6, cpcr30
-	lsri	r6, 28
-	lsli	r6, 28
+	lsri	r6, 29
+	lsli	r6, 29
 	addi	r6, 0xe
 	cpwcr	r6, cpcr30
 
diff --git a/arch/csky/abiv2/inc/abi/entry.h b/arch/csky/abiv2/inc/abi/entry.h
index a99aff555a0a..ab63c41abcca 100644
--- a/arch/csky/abiv2/inc/abi/entry.h
+++ b/arch/csky/abiv2/inc/abi/entry.h
@@ -285,8 +285,8 @@
 	 */
 	mfcr	r6, cr<30, 15> /* Get MSA0 */
 2:
-	lsri	r6, 28
-	lsli	r6, 28
+	lsri	r6, 29
+	lsli	r6, 29
 	addi	r6, 0x1ce
 	mtcr	r6, cr<30, 15> /* Set MSA0 */
 
diff --git a/arch/csky/abiv2/mcount.S b/arch/csky/abiv2/mcount.S
index 9331c7ed5958..911512bf480f 100644
--- a/arch/csky/abiv2/mcount.S
+++ b/arch/csky/abiv2/mcount.S
@@ -103,6 +103,8 @@ ENTRY(_mcount)
 	mov	a0, lr
 	subi	a0, 4
 	ldw	a1, (sp, 24)
+	lrw	a2, function_trace_op
+	ldw	a2, (a2, 0)
 
 	jsr	r26
 
diff --git a/arch/csky/include/asm/processor.h b/arch/csky/include/asm/processor.h
index c6bcd7f7c720..24442d8e86f9 100644
--- a/arch/csky/include/asm/processor.h
+++ b/arch/csky/include/asm/processor.h
@@ -41,8 +41,7 @@ extern struct cpuinfo_csky cpu_data[];
 #define TASK_UNMAPPED_BASE      (TASK_SIZE / 3)
 
 struct thread_struct {
-	unsigned long  ksp;       /* kernel stack pointer */
-	unsigned long  sr;        /* saved status register */
+	unsigned long  sp;        /* kernel stack pointer */
 	unsigned long  trap_no;   /* saved status register */
 
 	/* FPU regs */
@@ -50,8 +49,7 @@ struct thread_struct {
 };
 
 #define INIT_THREAD  { \
-	.ksp = sizeof(init_stack) + (unsigned long) &init_stack, \
-	.sr = DEFAULT_PSR_VALUE, \
+	.sp = sizeof(init_stack) + (unsigned long) &init_stack, \
 }
 
 /*
diff --git a/arch/csky/include/asm/ptrace.h b/arch/csky/include/asm/ptrace.h
index aae5aa96cf54..bcfb7070e48d 100644
--- a/arch/csky/include/asm/ptrace.h
+++ b/arch/csky/include/asm/ptrace.h
@@ -58,6 +58,16 @@ static inline unsigned long kernel_stack_pointer(struct pt_regs *regs)
 	return regs->usp;
 }
 
+static inline unsigned long frame_pointer(struct pt_regs *regs)
+{
+	return regs->regs[4];
+}
+static inline void frame_pointer_set(struct pt_regs *regs,
+				     unsigned long val)
+{
+	regs->regs[4] = val;
+}
+
 extern int regs_query_register_offset(const char *name);
 extern unsigned long regs_get_kernel_stack_nth(struct pt_regs *regs,
 						unsigned int n);
diff --git a/arch/csky/include/asm/thread_info.h b/arch/csky/include/asm/thread_info.h
index 442fedad0260..5c61e84e790f 100644
--- a/arch/csky/include/asm/thread_info.h
+++ b/arch/csky/include/asm/thread_info.h
@@ -38,7 +38,13 @@ struct thread_info {
 #define THREAD_SIZE_ORDER (THREAD_SHIFT - PAGE_SHIFT)
 
 #define thread_saved_fp(tsk) \
-	((unsigned long)(((struct switch_stack *)(tsk->thread.ksp))->r8))
+	((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r8))
+
+#define thread_saved_sp(tsk) \
+	((unsigned long)(tsk->thread.sp))
+
+#define thread_saved_lr(tsk) \
+	((unsigned long)(((struct switch_stack *)(tsk->thread.sp))->r15))
 
 static inline struct thread_info *current_thread_info(void)
 {
@@ -54,10 +60,10 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SIGPENDING		0	/* signal pending */
 #define TIF_NOTIFY_RESUME	1       /* callback before returning to user */
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
-#define TIF_SYSCALL_TRACE	3	/* syscall trace active */
-#define TIF_SYSCALL_TRACEPOINT	4       /* syscall tracepoint instrumentation */
-#define TIF_SYSCALL_AUDIT	5	/* syscall auditing */
-#define TIF_UPROBE		6	/* uprobe breakpoint or singlestep */
+#define TIF_UPROBE		3	/* uprobe breakpoint or singlestep */
+#define TIF_SYSCALL_TRACE	4	/* syscall trace active */
+#define TIF_SYSCALL_TRACEPOINT	5       /* syscall tracepoint instrumentation */
+#define TIF_SYSCALL_AUDIT	6	/* syscall auditing */
 #define TIF_POLLING_NRFLAG	16	/* poll_idle() is TIF_NEED_RESCHED */
 #define TIF_MEMDIE		18      /* is terminating due to OOM killer */
 #define TIF_RESTORE_SIGMASK	20	/* restore signal mask in do_signal() */
diff --git a/arch/csky/include/asm/uaccess.h b/arch/csky/include/asm/uaccess.h
index abefa125b93c..1633ffe5ae15 100644
--- a/arch/csky/include/asm/uaccess.h
+++ b/arch/csky/include/asm/uaccess.h
@@ -253,7 +253,7 @@ do {								\
 
 extern int __get_user_bad(void);
 
-#define __copy_user(to, from, n)			\
+#define ___copy_to_user(to, from, n)			\
 do {							\
 	int w0, w1, w2, w3;				\
 	asm volatile(					\
@@ -288,31 +288,34 @@ do {							\
 	"       subi    %0, 4           \n"		\
 	"       br      3b              \n"		\
 	"5:     cmpnei  %0, 0           \n"  /* 1B */   \
-	"       bf      8f              \n"		\
+	"       bf      13f             \n"		\
 	"       ldb     %3, (%2, 0)     \n"		\
 	"6:     stb     %3, (%1, 0)     \n"		\
 	"       addi    %2,  1          \n"		\
 	"       addi    %1,  1          \n"		\
 	"       subi    %0,  1          \n"		\
 	"       br      5b              \n"		\
-	"7:     br      8f              \n"		\
+	"7:     subi	%0,  4          \n"		\
+	"8:     subi	%0,  4          \n"		\
+	"12:    subi	%0,  4          \n"		\
+	"       br      13f             \n"		\
 	".section __ex_table, \"a\"     \n"		\
 	".align   2                     \n"		\
-	".long    2b, 7b                \n"		\
-	".long    9b, 7b                \n"		\
-	".long   10b, 7b                \n"		\
+	".long    2b, 13f               \n"		\
+	".long    4b, 13f               \n"		\
+	".long    6b, 13f               \n"		\
+	".long    9b, 12b               \n"		\
+	".long   10b, 8b                \n"		\
 	".long   11b, 7b                \n"		\
-	".long    4b, 7b                \n"		\
-	".long    6b, 7b                \n"		\
 	".previous                      \n"		\
-	"8:                             \n"		\
+	"13:                            \n"		\
 	: "=r"(n), "=r"(to), "=r"(from), "=r"(w0),	\
 	  "=r"(w1), "=r"(w2), "=r"(w3)			\
 	: "0"(n), "1"(to), "2"(from)			\
 	: "memory");					\
 } while (0)
 
-#define __copy_user_zeroing(to, from, n)		\
+#define ___copy_from_user(to, from, n)			\
 do {							\
 	int tmp;					\
 	int nsave;					\
@@ -355,22 +358,22 @@ do {							\
 	"       addi    %1,  1          \n"		\
 	"       subi    %0,  1          \n"		\
 	"       br      5b              \n"		\
-	"8:     mov     %3, %0          \n"		\
-	"       movi    %4, 0           \n"		\
-	"9:     stb     %4, (%1, 0)     \n"		\
-	"       addi    %1, 1           \n"		\
-	"       subi    %3, 1           \n"		\
-	"       cmpnei  %3, 0           \n"		\
-	"       bt      9b              \n"		\
-	"       br      7f              \n"		\
+	"8:     stw     %3, (%1, 0)     \n"		\
+	"       subi    %0, 4           \n"		\
+	"       bf      7f              \n"		\
+	"9:     subi    %0, 8           \n"		\
+	"       bf      7f              \n"		\
+	"13:    stw     %3, (%1, 8)     \n"		\
+	"       subi    %0, 12          \n"		\
+	"       bf      7f              \n"		\
 	".section __ex_table, \"a\"     \n"		\
 	".align   2                     \n"		\
-	".long    2b, 8b                \n"		\
+	".long    2b, 7f                \n"		\
+	".long    4b, 7f                \n"		\
+	".long    6b, 7f                \n"		\
 	".long   10b, 8b                \n"		\
-	".long   11b, 8b                \n"		\
-	".long   12b, 8b                \n"		\
-	".long    4b, 8b                \n"		\
-	".long    6b, 8b                \n"		\
+	".long   11b, 9b                \n"		\
+	".long   12b,13b                \n"		\
 	".previous                      \n"		\
 	"7:                             \n"		\
 	: "=r"(n), "=r"(to), "=r"(from), "=r"(nsave),	\
diff --git a/arch/csky/kernel/Makefile b/arch/csky/kernel/Makefile
index fd6d9dc8b7f3..37f37c0e934a 100644
--- a/arch/csky/kernel/Makefile
+++ b/arch/csky/kernel/Makefile
@@ -3,7 +3,7 @@ extra-y := head.o vmlinux.lds
 
 obj-y += entry.o atomic.o signal.o traps.o irq.o time.o vdso.o
 obj-y += power.o syscall.o syscall_table.o setup.o
-obj-y += process.o cpu-probe.o ptrace.o dumpstack.o
+obj-y += process.o cpu-probe.o ptrace.o stacktrace.o
 obj-y += probes/
 
 obj-$(CONFIG_MODULES)			+= module.o
diff --git a/arch/csky/kernel/asm-offsets.c b/arch/csky/kernel/asm-offsets.c
index f8be348df9e4..17479860d43d 100644
--- a/arch/csky/kernel/asm-offsets.c
+++ b/arch/csky/kernel/asm-offsets.c
@@ -18,8 +18,7 @@ int main(void)
 	DEFINE(TASK_ACTIVE_MM,    offsetof(struct task_struct, active_mm));
 
 	/* offsets into the thread struct */
-	DEFINE(THREAD_KSP,        offsetof(struct thread_struct, ksp));
-	DEFINE(THREAD_SR,         offsetof(struct thread_struct, sr));
+	DEFINE(THREAD_KSP,        offsetof(struct thread_struct, sp));
 	DEFINE(THREAD_FESR,       offsetof(struct thread_struct, user_fp.fesr));
 	DEFINE(THREAD_FCR,        offsetof(struct thread_struct, user_fp.fcr));
 	DEFINE(THREAD_FPREG,      offsetof(struct thread_struct, user_fp.vr));
diff --git a/arch/csky/kernel/dumpstack.c b/arch/csky/kernel/dumpstack.c
deleted file mode 100644
index d67f9777cfd9..000000000000
--- a/arch/csky/kernel/dumpstack.c
+++ /dev/null
@@ -1,49 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-// Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
-
-#include <linux/ptrace.h>
-
-int kstack_depth_to_print = 48;
-
-void show_trace(unsigned long *stack)
-{
-	unsigned long *stack_end;
-	unsigned long *stack_start;
-	unsigned long *fp;
-	unsigned long addr;
-
-	addr = (unsigned long) stack & THREAD_MASK;
-	stack_start = (unsigned long *) addr;
-	stack_end = (unsigned long *) (addr + THREAD_SIZE);
-
-	fp = stack;
-	pr_info("\nCall Trace:");
-
-	while (fp > stack_start && fp < stack_end) {
-#ifdef CONFIG_STACKTRACE
-		addr	= fp[1];
-		fp	= (unsigned long *) fp[0];
-#else
-		addr	= *fp++;
-#endif
-		if (__kernel_text_address(addr))
-			pr_cont("\n[<%08lx>] %pS", addr, (void *)addr);
-	}
-	pr_cont("\n");
-}
-
-void show_stack(struct task_struct *task, unsigned long *stack)
-{
-	if (!stack) {
-		if (task)
-			stack = (unsigned long *)thread_saved_fp(task);
-		else
-#ifdef CONFIG_STACKTRACE
-			asm volatile("mov %0, r8\n":"=r"(stack)::"memory");
-#else
-			stack = (unsigned long *)&stack;
-#endif
-	}
-
-	show_trace(stack);
-}
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 364819536f2e..3760397fdd3d 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -330,11 +330,6 @@ ENTRY(__switch_to)
 	lrw	a3, TASK_THREAD
 	addu	a3, a0
 
-	mfcr	a2, psr			/* Save PSR value */
-	stw	a2, (a3, THREAD_SR)	/* Save PSR in task struct */
-	bclri	a2, 6			/* Disable interrupts */
-	mtcr	a2, psr
-
 	SAVE_SWITCH_STACK
 
 	stw	sp, (a3, THREAD_KSP)
@@ -345,12 +340,9 @@ ENTRY(__switch_to)
 
 	ldw	sp, (a3, THREAD_KSP)	/* Set next kernel sp */
 
-	ldw	a2, (a3, THREAD_SR)	/* Set next PSR */
-	mtcr	a2, psr
-
 #if  defined(__CSKYABIV2__)
-	addi	r7, a1, TASK_THREAD_INFO
-	ldw	tls, (r7, TINFO_TP_VALUE)
+	addi	a3, a1, TASK_THREAD_INFO
+	ldw	tls, (a3, TINFO_TP_VALUE)
 #endif
 
 	RESTORE_SWITCH_STACK
diff --git a/arch/csky/kernel/ftrace.c b/arch/csky/kernel/ftrace.c
index 44628e3f7fa6..3c425b84e3be 100644
--- a/arch/csky/kernel/ftrace.c
+++ b/arch/csky/kernel/ftrace.c
@@ -202,6 +202,7 @@ int ftrace_disable_ftrace_graph_caller(void)
 #endif /* CONFIG_DYNAMIC_FTRACE */
 #endif /* CONFIG_FUNCTION_GRAPH_TRACER */
 
+#ifdef CONFIG_DYNAMIC_FTRACE
 #ifndef CONFIG_CPU_HAS_ICACHE_INS
 struct ftrace_modify_param {
 	int command;
@@ -231,6 +232,7 @@ void arch_ftrace_update_code(int command)
 	stop_machine(__ftrace_modify_code, &param, cpu_online_mask);
 }
 #endif
+#endif /* CONFIG_DYNAMIC_FTRACE */
 
 /* _mcount is defined in abi's mcount.S */
 EXPORT_SYMBOL(_mcount);
diff --git a/arch/csky/kernel/perf_callchain.c b/arch/csky/kernel/perf_callchain.c
index e68ff375c8f8..ab55e98ee8f6 100644
--- a/arch/csky/kernel/perf_callchain.c
+++ b/arch/csky/kernel/perf_callchain.c
@@ -12,12 +12,17 @@ struct stackframe {
 
 static int unwind_frame_kernel(struct stackframe *frame)
 {
-	if (kstack_end((void *)frame->fp))
+	unsigned long low = (unsigned long)task_stack_page(current);
+	unsigned long high = low + THREAD_SIZE;
+
+	if (unlikely(frame->fp < low || frame->fp > high))
 		return -EPERM;
-	if (frame->fp & 0x3 || frame->fp < TASK_SIZE)
+
+	if (kstack_end((void *)frame->fp) || frame->fp & 0x3)
 		return -EPERM;
 
 	*frame = *(struct stackframe *)frame->fp;
+
 	if (__kernel_text_address(frame->lr)) {
 		int graph = 0;
 
diff --git a/arch/csky/kernel/probes/uprobes.c b/arch/csky/kernel/probes/uprobes.c
index b3a56c260e3e..1a9e0961b2b5 100644
--- a/arch/csky/kernel/probes/uprobes.c
+++ b/arch/csky/kernel/probes/uprobes.c
@@ -11,6 +11,11 @@
 
 #define UPROBE_TRAP_NR	UINT_MAX
 
+bool is_swbp_insn(uprobe_opcode_t *insn)
+{
+	return (*insn & 0xffff) == UPROBE_SWBP_INSN;
+}
+
 unsigned long uprobe_get_swbp_addr(struct pt_regs *regs)
 {
 	return instruction_pointer(regs);
diff --git a/arch/csky/kernel/process.c b/arch/csky/kernel/process.c
index f7b231ca269a..8b3fad062ab2 100644
--- a/arch/csky/kernel/process.c
+++ b/arch/csky/kernel/process.c
@@ -35,7 +35,7 @@ void flush_thread(void){}
  */
 unsigned long thread_saved_pc(struct task_struct *tsk)
 {
-	struct switch_stack *sw = (struct switch_stack *)tsk->thread.ksp;
+	struct switch_stack *sw = (struct switch_stack *)tsk->thread.sp;
 
 	return sw->r15;
 }
@@ -56,8 +56,8 @@ int copy_thread_tls(unsigned long clone_flags,
 	childstack = ((struct switch_stack *) childregs) - 1;
 	memset(childstack, 0, sizeof(struct switch_stack));
 
-	/* setup ksp for switch_to !!! */
-	p->thread.ksp = (unsigned long)childstack;
+	/* setup thread.sp for switch_to !!! */
+	p->thread.sp = (unsigned long)childstack;
 
 	if (unlikely(p->flags & PF_KTHREAD)) {
 		memset(childregs, 0, sizeof(struct pt_regs));
@@ -98,37 +98,6 @@ int dump_task_regs(struct task_struct *tsk, elf_gregset_t *pr_regs)
 	return 1;
 }
 
-unsigned long get_wchan(struct task_struct *p)
-{
-	unsigned long lr;
-	unsigned long *fp, *stack_start, *stack_end;
-	int count = 0;
-
-	if (!p || p == current || p->state == TASK_RUNNING)
-		return 0;
-
-	stack_start = (unsigned long *)end_of_stack(p);
-	stack_end = (unsigned long *)(task_stack_page(p) + THREAD_SIZE);
-
-	fp = (unsigned long *) thread_saved_fp(p);
-	do {
-		if (fp < stack_start || fp > stack_end)
-			return 0;
-#ifdef CONFIG_STACKTRACE
-		lr = fp[1];
-		fp = (unsigned long *)fp[0];
-#else
-		lr = *fp++;
-#endif
-		if (!in_sched_functions(lr) &&
-		    __kernel_text_address(lr))
-			return lr;
-	} while (count++ < 16);
-
-	return 0;
-}
-EXPORT_SYMBOL(get_wchan);
-
 #ifndef CONFIG_CPU_PM_NONE
 void arch_cpu_idle(void)
 {
diff --git a/arch/csky/kernel/ptrace.c b/arch/csky/kernel/ptrace.c
index 21ac2608f205..5a82230bddf9 100644
--- a/arch/csky/kernel/ptrace.c
+++ b/arch/csky/kernel/ptrace.c
@@ -41,6 +41,9 @@ static void singlestep_disable(struct task_struct *tsk)
 
 	regs = task_pt_regs(tsk);
 	regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_RUN;
+
+	/* Enable irq */
+	regs->sr |= BIT(6);
 }
 
 static void singlestep_enable(struct task_struct *tsk)
@@ -49,6 +52,9 @@ static void singlestep_enable(struct task_struct *tsk)
 
 	regs = task_pt_regs(tsk);
 	regs->sr = (regs->sr & TRACE_MODE_MASK) | TRACE_MODE_SI;
+
+	/* Disable irq */
+	regs->sr &= ~BIT(6);
 }
 
 /*
diff --git a/arch/csky/kernel/stacktrace.c b/arch/csky/kernel/stacktrace.c
index fec777a643f1..92809e1da723 100644
--- a/arch/csky/kernel/stacktrace.c
+++ b/arch/csky/kernel/stacktrace.c
@@ -1,57 +1,159 @@
 // SPDX-License-Identifier: GPL-2.0
-/* Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd. */
 
 #include <linux/sched/debug.h>
 #include <linux/sched/task_stack.h>
 #include <linux/stacktrace.h>
 #include <linux/ftrace.h>
+#include <linux/ptrace.h>
 
-void save_stack_trace(struct stack_trace *trace)
+#ifdef CONFIG_FRAME_POINTER
+
+struct stackframe {
+	unsigned long fp;
+	unsigned long ra;
+};
+
+void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
+			     bool (*fn)(unsigned long, void *), void *arg)
 {
-	save_stack_trace_tsk(current, trace);
+	unsigned long fp, sp, pc;
+
+	if (regs) {
+		fp = frame_pointer(regs);
+		sp = user_stack_pointer(regs);
+		pc = instruction_pointer(regs);
+	} else if (task == NULL || task == current) {
+		const register unsigned long current_sp __asm__ ("sp");
+		const register unsigned long current_fp __asm__ ("r8");
+		fp = current_fp;
+		sp = current_sp;
+		pc = (unsigned long)walk_stackframe;
+	} else {
+		/* task blocked in __switch_to */
+		fp = thread_saved_fp(task);
+		sp = thread_saved_sp(task);
+		pc = thread_saved_lr(task);
+	}
+
+	for (;;) {
+		unsigned long low, high;
+		struct stackframe *frame;
+
+		if (unlikely(!__kernel_text_address(pc) || fn(pc, arg)))
+			break;
+
+		/* Validate frame pointer */
+		low = sp;
+		high = ALIGN(sp, THREAD_SIZE);
+		if (unlikely(fp < low || fp > high || fp & 0x3))
+			break;
+		/* Unwind stack frame */
+		frame = (struct stackframe *)fp;
+		sp = fp;
+		fp = frame->fp;
+		pc = ftrace_graph_ret_addr(current, NULL, frame->ra,
+					   (unsigned long *)(fp - 8));
+	}
 }
-EXPORT_SYMBOL_GPL(save_stack_trace);
 
-void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+#else /* !CONFIG_FRAME_POINTER */
+
+static void notrace walk_stackframe(struct task_struct *task,
+	struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
 {
-	unsigned long *fp, *stack_start, *stack_end;
-	unsigned long addr;
-	int skip = trace->skip;
-	int savesched;
-	int graph_idx = 0;
+	unsigned long sp, pc;
+	unsigned long *ksp;
 
-	if (tsk == current) {
-		asm volatile("mov %0, r8\n":"=r"(fp));
-		savesched = 1;
+	if (regs) {
+		sp = user_stack_pointer(regs);
+		pc = instruction_pointer(regs);
+	} else if (task == NULL || task == current) {
+		const register unsigned long current_sp __asm__ ("sp");
+		sp = current_sp;
+		pc = (unsigned long)walk_stackframe;
 	} else {
-		fp = (unsigned long *)thread_saved_fp(tsk);
-		savesched = 0;
+		/* task blocked in __switch_to */
+		sp = thread_saved_sp(task);
+		pc = thread_saved_lr(task);
 	}
 
-	addr = (unsigned long) fp & THREAD_MASK;
-	stack_start = (unsigned long *) addr;
-	stack_end = (unsigned long *) (addr + THREAD_SIZE);
-
-	while (fp > stack_start && fp < stack_end) {
-		unsigned long lpp, fpp;
+	if (unlikely(sp & 0x3))
+		return;
 
-		fpp = fp[0];
-		lpp = fp[1];
-		if (!__kernel_text_address(lpp))
+	ksp = (unsigned long *)sp;
+	while (!kstack_end(ksp)) {
+		if (__kernel_text_address(pc) && unlikely(fn(pc, arg)))
 			break;
-		else
-			lpp = ftrace_graph_ret_addr(tsk, &graph_idx, lpp, NULL);
-
-		if (savesched || !in_sched_functions(lpp)) {
-			if (skip) {
-				skip--;
-			} else {
-				trace->entries[trace->nr_entries++] = lpp;
-				if (trace->nr_entries >= trace->max_entries)
-					break;
-			}
-		}
-		fp = (unsigned long *)fpp;
+		pc = (*ksp++) - 0x4;
 	}
 }
+#endif /* CONFIG_FRAME_POINTER */
+
+static bool print_trace_address(unsigned long pc, void *arg)
+{
+	print_ip_sym(pc);
+	return false;
+}
+
+void show_stack(struct task_struct *task, unsigned long *sp)
+{
+	pr_cont("Call Trace:\n");
+	walk_stackframe(task, NULL, print_trace_address, NULL);
+}
+
+static bool save_wchan(unsigned long pc, void *arg)
+{
+	if (!in_sched_functions(pc)) {
+		unsigned long *p = arg;
+		*p = pc;
+		return true;
+	}
+	return false;
+}
+
+unsigned long get_wchan(struct task_struct *task)
+{
+	unsigned long pc = 0;
+
+	if (likely(task && task != current && task->state != TASK_RUNNING))
+		walk_stackframe(task, NULL, save_wchan, &pc);
+	return pc;
+}
+
+#ifdef CONFIG_STACKTRACE
+static bool __save_trace(unsigned long pc, void *arg, bool nosched)
+{
+	struct stack_trace *trace = arg;
+
+	if (unlikely(nosched && in_sched_functions(pc)))
+		return false;
+	if (unlikely(trace->skip > 0)) {
+		trace->skip--;
+		return false;
+	}
+
+	trace->entries[trace->nr_entries++] = pc;
+	return (trace->nr_entries >= trace->max_entries);
+}
+
+static bool save_trace(unsigned long pc, void *arg)
+{
+	return __save_trace(pc, arg, false);
+}
+
+/*
+ * Save stack-backtrace addresses into a stack_trace buffer.
+ */
+void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
+{
+	walk_stackframe(tsk, NULL, save_trace, trace);
+}
 EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
+
+void save_stack_trace(struct stack_trace *trace)
+{
+	save_stack_trace_tsk(NULL, trace);
+}
+EXPORT_SYMBOL_GPL(save_stack_trace);
+
+#endif /* CONFIG_STACKTRACE */
diff --git a/arch/csky/lib/usercopy.c b/arch/csky/lib/usercopy.c
index 647a23986fb5..3c9bd645e643 100644
--- a/arch/csky/lib/usercopy.c
+++ b/arch/csky/lib/usercopy.c
@@ -7,10 +7,7 @@
 unsigned long raw_copy_from_user(void *to, const void *from,
 			unsigned long n)
 {
-	if (access_ok(from, n))
-		__copy_user_zeroing(to, from, n);
-	else
-		memset(to, 0, n);
+	___copy_from_user(to, from, n);
 	return n;
 }
 EXPORT_SYMBOL(raw_copy_from_user);
@@ -18,8 +15,7 @@ EXPORT_SYMBOL(raw_copy_from_user);
 unsigned long raw_copy_to_user(void *to, const void *from,
 			unsigned long n)
 {
-	if (access_ok(to, n))
-		__copy_user(to, from, n);
+	___copy_to_user(to, from, n);
 	return n;
 }
 EXPORT_SYMBOL(raw_copy_to_user);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 924c541a9260..d13b5328ca10 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -130,7 +130,7 @@ config PPC
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_MEMBARRIER_CALLBACKS
 	select ARCH_HAS_SCALED_CPUTIME		if VIRT_CPU_ACCOUNTING_NATIVE && PPC_BOOK3S_64
-	select ARCH_HAS_STRICT_KERNEL_RWX	if ((PPC_BOOK3S_64 || PPC32) && !HIBERNATION)
+	select ARCH_HAS_STRICT_KERNEL_RWX	if (PPC32 && !HIBERNATION)
 	select ARCH_HAS_TICK_BROADCAST		if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_HAS_UACCESS_FLUSHCACHE
 	select ARCH_HAS_UACCESS_MCSAFE		if PPC64
diff --git a/arch/powerpc/include/asm/book3s/32/hash.h b/arch/powerpc/include/asm/book3s/32/hash.h
index 34a7215ae81e..2a0a467d2985 100644
--- a/arch/powerpc/include/asm/book3s/32/hash.h
+++ b/arch/powerpc/include/asm/book3s/32/hash.h
@@ -17,9 +17,9 @@
  * updating the accessed and modified bits in the page table tree.
  */
 
-#define _PAGE_USER	0x001	/* usermode access allowed */
-#define _PAGE_RW	0x002	/* software: user write access allowed */
-#define _PAGE_PRESENT	0x004	/* software: pte contains a translation */
+#define _PAGE_PRESENT	0x001	/* software: pte contains a translation */
+#define _PAGE_HASHPTE	0x002	/* hash_page has made an HPTE for this pte */
+#define _PAGE_USER	0x004	/* usermode access allowed */
 #define _PAGE_GUARDED	0x008	/* G: prohibit speculative access */
 #define _PAGE_COHERENT	0x010	/* M: enforce memory coherence (SMP systems) */
 #define _PAGE_NO_CACHE	0x020	/* I: cache inhibit */
@@ -27,7 +27,7 @@
 #define _PAGE_DIRTY	0x080	/* C: page changed */
 #define _PAGE_ACCESSED	0x100	/* R: page referenced */
 #define _PAGE_EXEC	0x200	/* software: exec allowed */
-#define _PAGE_HASHPTE	0x400	/* hash_page has made an HPTE for this pte */
+#define _PAGE_RW	0x400	/* software: user write access allowed */
 #define _PAGE_SPECIAL	0x800	/* software: Special page */
 
 #ifdef CONFIG_PTE_64BIT
diff --git a/arch/powerpc/include/asm/book3s/32/kup.h b/arch/powerpc/include/asm/book3s/32/kup.h
index 3c0ba22dc360..db0a1c281587 100644
--- a/arch/powerpc/include/asm/book3s/32/kup.h
+++ b/arch/powerpc/include/asm/book3s/32/kup.h
@@ -75,7 +75,7 @@
 
 .macro kuap_check	current, gpr
 #ifdef CONFIG_PPC_KUAP_DEBUG
-	lwz	\gpr2, KUAP(thread)
+	lwz	\gpr, KUAP(thread)
 999:	twnei	\gpr, 0
 	EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
 #endif
diff --git a/arch/powerpc/include/asm/hw_irq.h b/arch/powerpc/include/asm/hw_irq.h
index e0e71777961f..3a0db7b0b46e 100644
--- a/arch/powerpc/include/asm/hw_irq.h
+++ b/arch/powerpc/include/asm/hw_irq.h
@@ -250,9 +250,27 @@ static inline bool arch_irqs_disabled(void)
 	}								\
 } while(0)
 
+static inline bool __lazy_irq_pending(u8 irq_happened)
+{
+	return !!(irq_happened & ~PACA_IRQ_HARD_DIS);
+}
+
+/*
+ * Check if a lazy IRQ is pending. Should be called with IRQs hard disabled.
+ */
 static inline bool lazy_irq_pending(void)
 {
-	return !!(get_paca()->irq_happened & ~PACA_IRQ_HARD_DIS);
+	return __lazy_irq_pending(get_paca()->irq_happened);
+}
+
+/*
+ * Check if a lazy IRQ is pending, with no debugging checks.
+ * Should be called with IRQs hard disabled.
+ * For use in RI disabled code or other constrained situations.
+ */
+static inline bool lazy_irq_pending_nocheck(void)
+{
+	return __lazy_irq_pending(local_paca->irq_happened);
 }
 
 /*
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 2f500debae21..0969285996cb 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -166,13 +166,17 @@ do {								\
 ({								\
 	long __pu_err;						\
 	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
+	__typeof__(*(ptr)) __pu_val = (x);			\
+	__typeof__(size) __pu_size = (size);			\
+								\
 	if (!is_kernel_addr((unsigned long)__pu_addr))		\
 		might_fault();					\
-	__chk_user_ptr(ptr);					\
+	__chk_user_ptr(__pu_addr);				\
 	if (do_allow)								\
-		__put_user_size((x), __pu_addr, (size), __pu_err);		\
+		__put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err);	\
 	else									\
-		__put_user_size_allowed((x), __pu_addr, (size), __pu_err);	\
+		__put_user_size_allowed(__pu_val, __pu_addr, __pu_size, __pu_err); \
+								\
 	__pu_err;						\
 })
 
@@ -180,9 +184,13 @@ do {								\
 ({									\
 	long __pu_err = -EFAULT;					\
 	__typeof__(*(ptr)) __user *__pu_addr = (ptr);			\
+	__typeof__(*(ptr)) __pu_val = (x);				\
+	__typeof__(size) __pu_size = (size);				\
+									\
 	might_fault();							\
-	if (access_ok(__pu_addr, size))			\
-		__put_user_size((x), __pu_addr, (size), __pu_err);	\
+	if (access_ok(__pu_addr, __pu_size))				\
+		__put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
+									\
 	__pu_err;							\
 })
 
@@ -190,8 +198,12 @@ do {								\
 ({								\
 	long __pu_err;						\
 	__typeof__(*(ptr)) __user *__pu_addr = (ptr);		\
-	__chk_user_ptr(ptr);					\
-	__put_user_size((x), __pu_addr, (size), __pu_err);	\
+	__typeof__(*(ptr)) __pu_val = (x);			\
+	__typeof__(size) __pu_size = (size);			\
+								\
+	__chk_user_ptr(__pu_addr);				\
+	__put_user_size(__pu_val, __pu_addr, __pu_size, __pu_err); \
+								\
 	__pu_err;						\
 })
 
@@ -283,15 +295,18 @@ do {								\
 	long __gu_err;						\
 	__long_type(*(ptr)) __gu_val;				\
 	__typeof__(*(ptr)) __user *__gu_addr = (ptr);	\
-	__chk_user_ptr(ptr);					\
+	__typeof__(size) __gu_size = (size);			\
+								\
+	__chk_user_ptr(__gu_addr);				\
 	if (!is_kernel_addr((unsigned long)__gu_addr))		\
 		might_fault();					\
 	barrier_nospec();					\
 	if (do_allow)								\
-		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);		\
+		__get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err);	\
 	else									\
-		__get_user_size_allowed(__gu_val, __gu_addr, (size), __gu_err);	\
+		__get_user_size_allowed(__gu_val, __gu_addr, __gu_size, __gu_err); \
 	(x) = (__typeof__(*(ptr)))__gu_val;			\
+								\
 	__gu_err;						\
 })
 
@@ -300,12 +315,15 @@ do {								\
 	long __gu_err = -EFAULT;					\
 	__long_type(*(ptr)) __gu_val = 0;				\
 	__typeof__(*(ptr)) __user *__gu_addr = (ptr);		\
+	__typeof__(size) __gu_size = (size);				\
+									\
 	might_fault();							\
-	if (access_ok(__gu_addr, (size))) {		\
+	if (access_ok(__gu_addr, __gu_size)) {				\
 		barrier_nospec();					\
-		__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
+		__get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
 	}								\
 	(x) = (__force __typeof__(*(ptr)))__gu_val;				\
+									\
 	__gu_err;							\
 })
 
@@ -314,10 +332,13 @@ do {								\
 	long __gu_err;						\
 	__long_type(*(ptr)) __gu_val;				\
 	__typeof__(*(ptr)) __user *__gu_addr = (ptr);	\
-	__chk_user_ptr(ptr);					\
+	__typeof__(size) __gu_size = (size);			\
+								\
+	__chk_user_ptr(__gu_addr);				\
 	barrier_nospec();					\
-	__get_user_size(__gu_val, __gu_addr, (size), __gu_err);	\
+	__get_user_size(__gu_val, __gu_addr, __gu_size, __gu_err); \
 	(x) = (__force __typeof__(*(ptr)))__gu_val;			\
+								\
 	__gu_err;						\
 })
 
diff --git a/arch/powerpc/kernel/entry_64.S b/arch/powerpc/kernel/entry_64.S
index 9a1e5d636dea..b3c9f15089b6 100644
--- a/arch/powerpc/kernel/entry_64.S
+++ b/arch/powerpc/kernel/entry_64.S
@@ -472,15 +472,17 @@ END_FTR_SECTION_IFCLR(CPU_FTR_ARCH_207S)
 #ifdef CONFIG_PPC_BOOK3S
 	/*
 	 * If MSR EE/RI was never enabled, IRQs not reconciled, NVGPRs not
-	 * touched, AMR not set, no exit work created, then this can be used.
+	 * touched, no exit work created, then this can be used.
 	 */
 	.balign IFETCH_ALIGN_BYTES
 	.globl fast_interrupt_return
 fast_interrupt_return:
 _ASM_NOKPROBE_SYMBOL(fast_interrupt_return)
+	kuap_check_amr r3, r4
 	ld	r4,_MSR(r1)
 	andi.	r0,r4,MSR_PR
 	bne	.Lfast_user_interrupt_return
+	kuap_restore_amr r3
 	andi.	r0,r4,MSR_RI
 	li	r3,0 /* 0 return value, no EMULATE_STACK_STORE */
 	bne+	.Lfast_kernel_interrupt_return
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S
index 728ccb0f560c..b0ad930cbae5 100644
--- a/arch/powerpc/kernel/exceptions-64s.S
+++ b/arch/powerpc/kernel/exceptions-64s.S
@@ -971,6 +971,7 @@ EXC_COMMON_BEGIN(system_reset_common)
 	ld	r10,SOFTE(r1)
 	stb	r10,PACAIRQSOFTMASK(r13)
 
+	kuap_restore_amr r10
 	EXCEPTION_RESTORE_REGS
 	RFI_TO_USER_OR_KERNEL
 
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index daaa153950c2..97c887950c3c 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -348,7 +348,7 @@ BEGIN_MMU_FTR_SECTION
 	andis.	r0, r5, (DSISR_BAD_FAULT_32S | DSISR_DABRMATCH)@h
 #endif
 	bne	handle_page_fault_tramp_2	/* if not, try to put a PTE */
-	rlwinm	r3, r5, 32 - 24, 30, 30		/* DSISR_STORE -> _PAGE_RW */
+	rlwinm	r3, r5, 32 - 15, 21, 21		/* DSISR_STORE -> _PAGE_RW */
 	bl	hash_page
 	b	handle_page_fault_tramp_1
 FTR_SECTION_ELSE
@@ -497,6 +497,7 @@ InstructionTLBMiss:
 	andc.	r1,r1,r0		/* check access & ~permission */
 	bne-	InstructionAddressInvalid /* return if access not permitted */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
+	rlwimi	r0,r0,32-2,31,31	/* _PAGE_USER -> PP lsb */
 	ori	r1, r1, 0xe06		/* clear out reserved bits */
 	andc	r1, r0, r1		/* PP = user? 1 : 0 */
 BEGIN_FTR_SECTION
@@ -564,8 +565,9 @@ DataLoadTLBMiss:
 	 * we would need to update the pte atomically with lwarx/stwcx.
 	 */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
-	rlwinm	r1,r0,0,30,30		/* _PAGE_RW -> PP msb */
-	rlwimi	r0,r0,1,30,30		/* _PAGE_USER -> PP msb */
+	rlwinm	r1,r0,32-9,30,30	/* _PAGE_RW -> PP msb */
+	rlwimi	r0,r0,32-1,30,30	/* _PAGE_USER -> PP msb */
+	rlwimi	r0,r0,32-1,31,31	/* _PAGE_USER -> PP lsb */
 	ori	r1,r1,0xe04		/* clear out reserved bits */
 	andc	r1,r0,r1		/* PP = user? rw? 1: 3: 0 */
 BEGIN_FTR_SECTION
@@ -643,6 +645,7 @@ DataStoreTLBMiss:
 	 * we would need to update the pte atomically with lwarx/stwcx.
 	 */
 	/* Convert linux-style PTE to low word of PPC-style PTE */
+	rlwimi	r0,r0,32-2,31,31	/* _PAGE_USER -> PP lsb */
 	li	r1,0xe06		/* clear out reserved bits & PP msb */
 	andc	r1,r0,r1		/* PP = user? 1: 0 */
 BEGIN_FTR_SECTION
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index 9bb663977e84..2cec543c38f0 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -344,8 +344,9 @@ _ENTRY(saved_ksp_limit)
 /* 0x0C00 - System Call Exception */
 	START_EXCEPTION(0x0C00,	SystemCall)
 	SYSCALL_ENTRY	0xc00
+/*	Trap_0D is commented out to get more space for system call exception */
 
-	EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_STD)
+/*	EXCEPTION(0x0D00, Trap_0D, unknown_exception, EXC_XFER_STD) */
 	EXCEPTION(0x0E00, Trap_0E, unknown_exception, EXC_XFER_STD)
 	EXCEPTION(0x0F00, Trap_0F, unknown_exception, EXC_XFER_STD)
 
diff --git a/arch/powerpc/kernel/ima_arch.c b/arch/powerpc/kernel/ima_arch.c
index e34116255ced..957abd592075 100644
--- a/arch/powerpc/kernel/ima_arch.c
+++ b/arch/powerpc/kernel/ima_arch.c
@@ -19,12 +19,12 @@ bool arch_ima_get_secureboot(void)
  * to be stored as an xattr or as an appended signature.
  *
  * To avoid duplicate signature verification as much as possible, the IMA
- * policy rule for module appraisal is added only if CONFIG_MODULE_SIG_FORCE
+ * policy rule for module appraisal is added only if CONFIG_MODULE_SIG
  * is not enabled.
  */
 static const char *const secure_rules[] = {
 	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
-#ifndef CONFIG_MODULE_SIG_FORCE
+#ifndef CONFIG_MODULE_SIG
 	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
@@ -50,7 +50,7 @@ static const char *const secure_and_trusted_rules[] = {
 	"measure func=KEXEC_KERNEL_CHECK template=ima-modsig",
 	"measure func=MODULE_CHECK template=ima-modsig",
 	"appraise func=KEXEC_KERNEL_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
-#ifndef CONFIG_MODULE_SIG_FORCE
+#ifndef CONFIG_MODULE_SIG
 	"appraise func=MODULE_CHECK appraise_flag=check_blacklist appraise_type=imasig|modsig",
 #endif
 	NULL
diff --git a/arch/powerpc/kernel/syscall_64.c b/arch/powerpc/kernel/syscall_64.c
index c74295a7765b..7b7c89cad901 100644
--- a/arch/powerpc/kernel/syscall_64.c
+++ b/arch/powerpc/kernel/syscall_64.c
@@ -35,6 +35,8 @@ notrace long system_call_exception(long r3, long r4, long r5,
 	BUG_ON(!FULL_REGS(regs));
 	BUG_ON(regs->softe != IRQS_ENABLED);
 
+	kuap_check_amr();
+
 	account_cpu_user_entry();
 
 #ifdef CONFIG_PPC_SPLPAR
@@ -47,8 +49,6 @@ notrace long system_call_exception(long r3, long r4, long r5,
 	}
 #endif
 
-	kuap_check_amr();
-
 	/*
 	 * This is not required for the syscall exit path, but makes the
 	 * stack frame look nicer. If this was initialised in the first stack
@@ -117,6 +117,8 @@ notrace unsigned long syscall_exit_prepare(unsigned long r3,
 	unsigned long ti_flags;
 	unsigned long ret = 0;
 
+	kuap_check_amr();
+
 	regs->result = r3;
 
 	/* Check whether the syscall is issued inside a restartable sequence */
@@ -189,7 +191,7 @@ again:
 
 	/* This pattern matches prep_irq_for_idle */
 	__hard_EE_RI_disable();
-	if (unlikely(lazy_irq_pending())) {
+	if (unlikely(lazy_irq_pending_nocheck())) {
 		__hard_RI_enable();
 		trace_hardirqs_off();
 		local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
@@ -204,8 +206,6 @@ again:
 	local_paca->tm_scratch = regs->msr;
 #endif
 
-	kuap_check_amr();
-
 	account_cpu_user_exit();
 
 	return ret;
@@ -228,6 +228,8 @@ notrace unsigned long interrupt_exit_user_prepare(struct pt_regs *regs, unsigned
 	BUG_ON(!FULL_REGS(regs));
 	BUG_ON(regs->softe != IRQS_ENABLED);
 
+	kuap_check_amr();
+
 	local_irq_save(flags);
 
 again:
@@ -264,7 +266,7 @@ again:
 
 	trace_hardirqs_on();
 	__hard_EE_RI_disable();
-	if (unlikely(lazy_irq_pending())) {
+	if (unlikely(lazy_irq_pending_nocheck())) {
 		__hard_RI_enable();
 		trace_hardirqs_off();
 		local_paca->irq_happened |= PACA_IRQ_HARD_DIS;
@@ -292,8 +294,6 @@ again:
 	local_paca->tm_scratch = regs->msr;
 #endif
 
-	kuap_check_amr();
-
 	account_cpu_user_exit();
 
 	return ret;
@@ -313,6 +313,8 @@ notrace unsigned long interrupt_exit_kernel_prepare(struct pt_regs *regs, unsign
 	BUG_ON(regs->msr & MSR_PR);
 	BUG_ON(!FULL_REGS(regs));
 
+	kuap_check_amr();
+
 	if (unlikely(*ti_flagsp & _TIF_EMULATE_STACK_STORE)) {
 		clear_bits(_TIF_EMULATE_STACK_STORE, ti_flagsp);
 		ret = 1;
@@ -334,7 +336,7 @@ again:
 
 		trace_hardirqs_on();
 		__hard_EE_RI_disable();
-		if (unlikely(lazy_irq_pending())) {
+		if (unlikely(lazy_irq_pending_nocheck())) {
 			__hard_RI_enable();
 			irq_soft_mask_set(IRQS_ALL_DISABLED);
 			trace_hardirqs_off();
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index a3951567118a..e7f8f9f1b3f4 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -218,11 +218,11 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
 	blr
 
 	/*
-	 * invalid clock
+	 * syscall fallback
 	 */
 99:
-	li	r3, EINVAL
-	crset	so
+	li	r0,__NR_clock_getres
+	sc
 	blr
   .cfi_endproc
 V_FUNCTION_END(__kernel_clock_getres)
diff --git a/arch/powerpc/mm/book3s32/hash_low.S b/arch/powerpc/mm/book3s32/hash_low.S
index 6d236080cb1a..877d880890fe 100644
--- a/arch/powerpc/mm/book3s32/hash_low.S
+++ b/arch/powerpc/mm/book3s32/hash_low.S
@@ -35,7 +35,7 @@ mmu_hash_lock:
 /*
  * Load a PTE into the hash table, if possible.
  * The address is in r4, and r3 contains an access flag:
- * _PAGE_RW (0x002) if a write.
+ * _PAGE_RW (0x400) if a write.
  * r9 contains the SRR1 value, from which we use the MSR_PR bit.
  * SPRG_THREAD contains the physical address of the current task's thread.
  *
@@ -69,7 +69,7 @@ _GLOBAL(hash_page)
 	blt+	112f			/* assume user more likely */
 	lis	r5, (swapper_pg_dir - PAGE_OFFSET)@ha	/* if kernel address, use */
 	addi	r5 ,r5 ,(swapper_pg_dir - PAGE_OFFSET)@l	/* kernel page table */
-	rlwimi	r3,r9,32-14,31,31	/* MSR_PR -> _PAGE_USER */
+	rlwimi	r3,r9,32-12,29,29	/* MSR_PR -> _PAGE_USER */
 112:
 #ifndef CONFIG_PTE_64BIT
 	rlwimi	r5,r4,12,20,29		/* insert top 10 bits of address */
@@ -94,7 +94,7 @@ _GLOBAL(hash_page)
 #else
 	rlwimi	r8,r4,23,20,28		/* compute pte address */
 #endif
-	rlwinm	r0,r3,6,24,24		/* _PAGE_RW access -> _PAGE_DIRTY */
+	rlwinm	r0,r3,32-3,24,24	/* _PAGE_RW access -> _PAGE_DIRTY */
 	ori	r0,r0,_PAGE_ACCESSED|_PAGE_HASHPTE
 
 	/*
@@ -310,9 +310,11 @@ Hash_msk = (((1 << Hash_bits) - 1) * 64)
 
 _GLOBAL(create_hpte)
 	/* Convert linux-style PTE (r5) to low word of PPC-style PTE (r8) */
+	rlwinm	r8,r5,32-9,30,30	/* _PAGE_RW -> PP msb */
 	rlwinm	r0,r5,32-6,30,30	/* _PAGE_DIRTY -> PP msb */
-	and	r8,r5,r0		/* writable if _RW & _DIRTY */
-	rlwimi	r5,r5,1,30,30		/* _PAGE_USER -> PP msb */
+	and	r8,r8,r0		/* writable if _RW & _DIRTY */
+	rlwimi	r5,r5,32-1,30,30	/* _PAGE_USER -> PP msb */
+	rlwimi	r5,r5,32-2,31,31	/* _PAGE_USER -> PP lsb */
 	ori	r8,r8,0xe04		/* clear out reserved bits */
 	andc	r8,r5,r8		/* PP = user? (rw&dirty? 1: 3): 0 */
 BEGIN_FTR_SECTION
@@ -564,7 +566,7 @@ _GLOBAL(flush_hash_pages)
 33:	lwarx	r8,0,r5			/* fetch the pte flags word */
 	andi.	r0,r8,_PAGE_HASHPTE
 	beq	8f			/* done if HASHPTE is already clear */
-	rlwinm	r8,r8,0,~_PAGE_HASHPTE	/* clear HASHPTE bit */
+	rlwinm	r8,r8,0,31,29		/* clear HASHPTE bit */
 	stwcx.	r8,0,r5			/* update the pte */
 	bne-	33b
 
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 74f82cf4f781..a31e1a41913a 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -54,7 +54,7 @@ config RISCV
 	select GENERIC_ARCH_TOPOLOGY if SMP
 	select ARCH_HAS_PTE_SPECIAL
 	select ARCH_HAS_MMIOWB
-	select ARCH_HAS_DEBUG_VIRTUAL
+	select ARCH_HAS_DEBUG_VIRTUAL if MMU
 	select HAVE_EBPF_JIT if MMU
 	select EDAC_SUPPORT
 	select ARCH_HAS_GIGANTIC_PAGE
@@ -136,6 +136,7 @@ config ARCH_SUPPORTS_DEBUG_PAGEALLOC
 	def_bool y
 
 config SYS_SUPPORTS_HUGETLBFS
+	depends on MMU
 	def_bool y
 
 config STACKTRACE_SUPPORT
diff --git a/arch/riscv/Kconfig.socs b/arch/riscv/Kconfig.socs
index 216286db81c9..d646332e44f1 100644
--- a/arch/riscv/Kconfig.socs
+++ b/arch/riscv/Kconfig.socs
@@ -11,14 +11,15 @@ config SOC_SIFIVE
 	  This enables support for SiFive SoC platform hardware.
 
 config SOC_VIRT
-       bool "QEMU Virt Machine"
-       select POWER_RESET_SYSCON
-       select POWER_RESET_SYSCON_POWEROFF
-       select GOLDFISH
-       select RTC_DRV_GOLDFISH
-       select SIFIVE_PLIC
-       help
-         This enables support for QEMU Virt Machine.
+	bool "QEMU Virt Machine"
+	select POWER_RESET
+	select POWER_RESET_SYSCON
+	select POWER_RESET_SYSCON_POWEROFF
+	select GOLDFISH
+	select RTC_DRV_GOLDFISH if RTC_CLASS
+	select SIFIVE_PLIC
+	help
+	  This enables support for QEMU Virt Machine.
 
 config SOC_KENDRYTE
 	bool "Kendryte K210 SoC"
diff --git a/arch/riscv/include/asm/mmio.h b/arch/riscv/include/asm/mmio.h
index a2c809df2733..56053c9838b2 100644
--- a/arch/riscv/include/asm/mmio.h
+++ b/arch/riscv/include/asm/mmio.h
@@ -16,6 +16,8 @@
 
 #ifndef CONFIG_MMU
 #define pgprot_noncached(x)	(x)
+#define pgprot_writecombine(x)	(x)
+#define pgprot_device(x)	(x)
 #endif /* CONFIG_MMU */
 
 /* Generic IO read/write.  These perform native-endian accesses. */
diff --git a/arch/riscv/include/asm/mmiowb.h b/arch/riscv/include/asm/mmiowb.h
index bb4091ff4a21..0b2333e71fdc 100644
--- a/arch/riscv/include/asm/mmiowb.h
+++ b/arch/riscv/include/asm/mmiowb.h
@@ -9,6 +9,7 @@
  */
 #define mmiowb()	__asm__ __volatile__ ("fence o,w" : : : "memory");
 
+#include <linux/smp.h>
 #include <asm-generic/mmiowb.h>
 
 #endif	/* _ASM_RISCV_MMIOWB_H */
diff --git a/arch/riscv/include/asm/perf_event.h b/arch/riscv/include/asm/perf_event.h
index 0234048b12bc..062efd3a1d5d 100644
--- a/arch/riscv/include/asm/perf_event.h
+++ b/arch/riscv/include/asm/perf_event.h
@@ -12,19 +12,14 @@
 #include <linux/ptrace.h>
 #include <linux/interrupt.h>
 
+#ifdef CONFIG_RISCV_BASE_PMU
 #define RISCV_BASE_COUNTERS	2
 
 /*
  * The RISCV_MAX_COUNTERS parameter should be specified.
  */
 
-#ifdef CONFIG_RISCV_BASE_PMU
 #define RISCV_MAX_COUNTERS	2
-#endif
-
-#ifndef RISCV_MAX_COUNTERS
-#error "Please provide a valid RISCV_MAX_COUNTERS for the PMU."
-#endif
 
 /*
  * These are the indexes of bits in counteren register *minus* 1,
@@ -82,6 +77,7 @@ struct riscv_pmu {
 	int		irq;
 };
 
+#endif
 #ifdef CONFIG_PERF_EVENTS
 #define perf_arch_bpf_user_pt_regs(regs) (struct user_regs_struct *)regs
 #endif
diff --git a/arch/riscv/include/asm/pgtable.h b/arch/riscv/include/asm/pgtable.h
index 9c188ad2e52d..35b60035b6b0 100644
--- a/arch/riscv/include/asm/pgtable.h
+++ b/arch/riscv/include/asm/pgtable.h
@@ -470,12 +470,15 @@ static inline int ptep_clear_flush_young(struct vm_area_struct *vma,
 
 #else /* CONFIG_MMU */
 
+#define PAGE_SHARED		__pgprot(0)
 #define PAGE_KERNEL		__pgprot(0)
 #define swapper_pg_dir		NULL
 #define VMALLOC_START		0
 
 #define TASK_SIZE 0xffffffffUL
 
+static inline void __kernel_map_pages(struct page *page, int numpages, int enable) {}
+
 #endif /* !CONFIG_MMU */
 
 #define kern_addr_valid(addr)   (1) /* FIXME */
diff --git a/arch/riscv/kernel/Makefile b/arch/riscv/kernel/Makefile
index 86c83081044f..d8bbd3207100 100644
--- a/arch/riscv/kernel/Makefile
+++ b/arch/riscv/kernel/Makefile
@@ -43,7 +43,7 @@ obj-$(CONFIG_MODULE_SECTIONS)	+= module-sections.o
 obj-$(CONFIG_FUNCTION_TRACER)	+= mcount.o ftrace.o
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= mcount-dyn.o
 
-obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o
+obj-$(CONFIG_RISCV_BASE_PMU)	+= perf_event.o
 obj-$(CONFIG_PERF_EVENTS)	+= perf_callchain.o
 obj-$(CONFIG_HAVE_PERF_REGS)	+= perf_regs.o
 obj-$(CONFIG_RISCV_SBI)		+= sbi.o
diff --git a/arch/riscv/kernel/perf_event.c b/arch/riscv/kernel/perf_event.c
index 91626d9ae5f2..c835f0362d94 100644
--- a/arch/riscv/kernel/perf_event.c
+++ b/arch/riscv/kernel/perf_event.c
@@ -147,7 +147,7 @@ static int riscv_map_hw_event(u64 config)
 	return riscv_pmu->hw_events[config];
 }
 
-int riscv_map_cache_decode(u64 config, unsigned int *type,
+static int riscv_map_cache_decode(u64 config, unsigned int *type,
 			   unsigned int *op, unsigned int *result)
 {
 	return -ENOENT;
@@ -342,7 +342,7 @@ static void riscv_pmu_del(struct perf_event *event, int flags)
 
 static DEFINE_MUTEX(pmc_reserve_mutex);
 
-irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
+static irqreturn_t riscv_base_pmu_handle_irq(int irq_num, void *dev)
 {
 	return IRQ_NONE;
 }
@@ -361,7 +361,7 @@ static int reserve_pmc_hardware(void)
 	return err;
 }
 
-void release_pmc_hardware(void)
+static void release_pmc_hardware(void)
 {
 	mutex_lock(&pmc_reserve_mutex);
 	if (riscv_pmu->irq >= 0)
@@ -464,7 +464,7 @@ static const struct of_device_id riscv_pmu_of_ids[] = {
 	{ /* sentinel value */ }
 };
 
-int __init init_hw_perf_events(void)
+static int __init init_hw_perf_events(void)
 {
 	struct device_node *node = of_find_node_by_type(NULL, "pmu");
 	const struct of_device_id *of_id;
diff --git a/arch/riscv/kernel/process.c b/arch/riscv/kernel/process.c
index 610c11e91606..824d117cf202 100644
--- a/arch/riscv/kernel/process.c
+++ b/arch/riscv/kernel/process.c
@@ -22,7 +22,7 @@
 #include <asm/switch_to.h>
 #include <asm/thread_info.h>
 
-unsigned long gp_in_global __asm__("gp");
+register unsigned long gp_in_global __asm__("gp");
 
 extern asmlinkage void ret_from_fork(void);
 extern asmlinkage void ret_from_kernel_thread(void);
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 6c854875ac74..837b9b38f825 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -65,7 +65,7 @@ void notrace walk_stackframe(struct task_struct *task, struct pt_regs *regs,
 
 #else /* !CONFIG_FRAME_POINTER */
 
-static void notrace walk_stackframe(struct task_struct *task,
+void notrace walk_stackframe(struct task_struct *task,
 	struct pt_regs *regs, bool (*fn)(unsigned long, void *), void *arg)
 {
 	unsigned long sp, pc;
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index 27a334106708..736de6c8739f 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -47,7 +47,7 @@ static void setup_zero_page(void)
 	memset((void *)empty_zero_page, 0, PAGE_SIZE);
 }
 
-#ifdef CONFIG_DEBUG_VM
+#if defined(CONFIG_MMU) && defined(CONFIG_DEBUG_VM)
 static inline void print_mlk(char *name, unsigned long b, unsigned long t)
 {
 	pr_notice("%12s : 0x%08lx - 0x%08lx   (%4ld kB)\n", name, b, t,
diff --git a/arch/s390/include/asm/pci_io.h b/arch/s390/include/asm/pci_io.h
index cd060b5dd8fd..e4dc64cc9c55 100644
--- a/arch/s390/include/asm/pci_io.h
+++ b/arch/s390/include/asm/pci_io.h
@@ -8,6 +8,10 @@
 #include <linux/slab.h>
 #include <asm/pci_insn.h>
 
+/* I/O size constraints */
+#define ZPCI_MAX_READ_SIZE	8
+#define ZPCI_MAX_WRITE_SIZE	128
+
 /* I/O Map */
 #define ZPCI_IOMAP_SHIFT		48
 #define ZPCI_IOMAP_ADDR_BASE		0x8000000000000000UL
@@ -140,7 +144,8 @@ static inline int zpci_memcpy_fromio(void *dst,
 
 	while (n > 0) {
 		size = zpci_get_max_write_size((u64 __force) src,
-					       (u64) dst, n, 8);
+					       (u64) dst, n,
+					       ZPCI_MAX_READ_SIZE);
 		rc = zpci_read_single(dst, src, size);
 		if (rc)
 			break;
@@ -161,7 +166,8 @@ static inline int zpci_memcpy_toio(volatile void __iomem *dst,
 
 	while (n > 0) {
 		size = zpci_get_max_write_size((u64 __force) dst,
-					       (u64) src, n, 128);
+					       (u64) src, n,
+					       ZPCI_MAX_WRITE_SIZE);
 		if (size > 8) /* main path */
 			rc = zpci_write_block(dst, src, size);
 		else
diff --git a/arch/s390/kernel/machine_kexec_file.c b/arch/s390/kernel/machine_kexec_file.c
index 8415ae7d2a23..f9e4baa64b67 100644
--- a/arch/s390/kernel/machine_kexec_file.c
+++ b/arch/s390/kernel/machine_kexec_file.c
@@ -151,7 +151,7 @@ static int kexec_file_add_initrd(struct kimage *image,
 		buf.mem += crashk_res.start;
 	buf.memsz = buf.bufsz;
 
-	data->parm->initrd_start = buf.mem;
+	data->parm->initrd_start = data->memsz;
 	data->parm->initrd_size = buf.memsz;
 	data->memsz += buf.memsz;
 
diff --git a/arch/s390/kernel/machine_kexec_reloc.c b/arch/s390/kernel/machine_kexec_reloc.c
index d5035de9020e..b7182cec48dc 100644
--- a/arch/s390/kernel/machine_kexec_reloc.c
+++ b/arch/s390/kernel/machine_kexec_reloc.c
@@ -28,6 +28,7 @@ int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
 		break;
 	case R_390_64:		/* Direct 64 bit.  */
 	case R_390_GLOB_DAT:
+	case R_390_JMP_SLOT:
 		*(u64 *)loc = val;
 		break;
 	case R_390_PC16:	/* PC relative 16 bit.	*/
diff --git a/arch/s390/mm/hugetlbpage.c b/arch/s390/mm/hugetlbpage.c
index f01daddcbc5e..4632d4e26b66 100644
--- a/arch/s390/mm/hugetlbpage.c
+++ b/arch/s390/mm/hugetlbpage.c
@@ -159,10 +159,13 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
 		rste &= ~_SEGMENT_ENTRY_NOEXEC;
 
 	/* Set correct table type for 2G hugepages */
-	if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3)
-		rste |= _REGION_ENTRY_TYPE_R3 | _REGION3_ENTRY_LARGE;
-	else
+	if ((pte_val(*ptep) & _REGION_ENTRY_TYPE_MASK) == _REGION_ENTRY_TYPE_R3) {
+		if (likely(pte_present(pte)))
+			rste |= _REGION3_ENTRY_LARGE;
+		rste |= _REGION_ENTRY_TYPE_R3;
+	} else if (likely(pte_present(pte)))
 		rste |= _SEGMENT_ENTRY_LARGE;
+
 	clear_huge_pte_skeys(mm, rste);
 	pte_val(*ptep) = rste;
 }
diff --git a/arch/s390/pci/pci_mmio.c b/arch/s390/pci/pci_mmio.c
index 7d42a8794f10..020a2c514d96 100644
--- a/arch/s390/pci/pci_mmio.c
+++ b/arch/s390/pci/pci_mmio.c
@@ -11,6 +11,113 @@
 #include <linux/mm.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
+#include <asm/pci_io.h>
+#include <asm/pci_debug.h>
+
+static inline void zpci_err_mmio(u8 cc, u8 status, u64 offset)
+{
+	struct {
+		u64 offset;
+		u8 cc;
+		u8 status;
+	} data = {offset, cc, status};
+
+	zpci_err_hex(&data, sizeof(data));
+}
+
+static inline int __pcistb_mio_inuser(
+		void __iomem *ioaddr, const void __user *src,
+		u64 len, u8 *status)
+{
+	int cc = -ENXIO;
+
+	asm volatile (
+		"       sacf 256\n"
+		"0:     .insn   rsy,0xeb00000000d4,%[len],%[ioaddr],%[src]\n"
+		"1:     ipm     %[cc]\n"
+		"       srl     %[cc],28\n"
+		"2:     sacf 768\n"
+		EX_TABLE(0b, 2b) EX_TABLE(1b, 2b)
+		: [cc] "+d" (cc), [len] "+d" (len)
+		: [ioaddr] "a" (ioaddr), [src] "Q" (*((u8 __force *)src))
+		: "cc", "memory");
+	*status = len >> 24 & 0xff;
+	return cc;
+}
+
+static inline int __pcistg_mio_inuser(
+		void __iomem *ioaddr, const void __user *src,
+		u64 ulen, u8 *status)
+{
+	register u64 addr asm("2") = (u64 __force) ioaddr;
+	register u64 len asm("3") = ulen;
+	int cc = -ENXIO;
+	u64 val = 0;
+	u64 cnt = ulen;
+	u8 tmp;
+
+	/*
+	 * copy 0 < @len <= 8 bytes from @src into the right most bytes of
+	 * a register, then store it to PCI at @ioaddr while in secondary
+	 * address space. pcistg then uses the user mappings.
+	 */
+	asm volatile (
+		"       sacf    256\n"
+		"0:     llgc    %[tmp],0(%[src])\n"
+		"       sllg    %[val],%[val],8\n"
+		"       aghi    %[src],1\n"
+		"       ogr     %[val],%[tmp]\n"
+		"       brctg   %[cnt],0b\n"
+		"1:     .insn   rre,0xb9d40000,%[val],%[ioaddr]\n"
+		"2:     ipm     %[cc]\n"
+		"       srl     %[cc],28\n"
+		"3:     sacf    768\n"
+		EX_TABLE(0b, 3b) EX_TABLE(1b, 3b) EX_TABLE(2b, 3b)
+		:
+		[src] "+a" (src), [cnt] "+d" (cnt),
+		[val] "+d" (val), [tmp] "=d" (tmp),
+		[len] "+d" (len), [cc] "+d" (cc),
+		[ioaddr] "+a" (addr)
+		:: "cc", "memory");
+	*status = len >> 24 & 0xff;
+
+	/* did we read everything from user memory? */
+	if (!cc && cnt != 0)
+		cc = -EFAULT;
+
+	return cc;
+}
+
+static inline int __memcpy_toio_inuser(void __iomem *dst,
+				   const void __user *src, size_t n)
+{
+	int size, rc = 0;
+	u8 status = 0;
+	mm_segment_t old_fs;
+
+	if (!src)
+		return -EINVAL;
+
+	old_fs = enable_sacf_uaccess();
+	while (n > 0) {
+		size = zpci_get_max_write_size((u64 __force) dst,
+					       (u64 __force) src, n,
+					       ZPCI_MAX_WRITE_SIZE);
+		if (size > 8) /* main path */
+			rc = __pcistb_mio_inuser(dst, src, size, &status);
+		else
+			rc = __pcistg_mio_inuser(dst, src, size, &status);
+		if (rc)
+			break;
+		src += size;
+		dst += size;
+		n -= size;
+	}
+	disable_sacf_uaccess(old_fs);
+	if (rc)
+		zpci_err_mmio(rc, status, (__force u64) dst);
+	return rc;
+}
 
 static long get_pfn(unsigned long user_addr, unsigned long access,
 		    unsigned long *pfn)
@@ -46,6 +153,20 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
 
 	if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
 		return -EINVAL;
+
+	/*
+	 * Only support read access to MIO capable devices on a MIO enabled
+	 * system. Otherwise we would have to check for every address if it is
+	 * a special ZPCI_ADDR and we would have to do a get_pfn() which we
+	 * don't need for MIO capable devices.
+	 */
+	if (static_branch_likely(&have_mio)) {
+		ret = __memcpy_toio_inuser((void  __iomem *) mmio_addr,
+					user_buffer,
+					length);
+		return ret;
+	}
+
 	if (length > 64) {
 		buf = kmalloc(length, GFP_KERNEL);
 		if (!buf)
@@ -56,7 +177,8 @@ SYSCALL_DEFINE3(s390_pci_mmio_write, unsigned long, mmio_addr,
 	ret = get_pfn(mmio_addr, VM_WRITE, &pfn);
 	if (ret)
 		goto out;
-	io_addr = (void __iomem *)((pfn << PAGE_SHIFT) | (mmio_addr & ~PAGE_MASK));
+	io_addr = (void __iomem *)((pfn << PAGE_SHIFT) |
+			(mmio_addr & ~PAGE_MASK));
 
 	ret = -EFAULT;
 	if ((unsigned long) io_addr < ZPCI_IOMAP_ADDR_BASE)
@@ -72,6 +194,78 @@ out:
 	return ret;
 }
 
+static inline int __pcilg_mio_inuser(
+		void __user *dst, const void __iomem *ioaddr,
+		u64 ulen, u8 *status)
+{
+	register u64 addr asm("2") = (u64 __force) ioaddr;
+	register u64 len asm("3") = ulen;
+	u64 cnt = ulen;
+	int shift = ulen * 8;
+	int cc = -ENXIO;
+	u64 val, tmp;
+
+	/*
+	 * read 0 < @len <= 8 bytes from the PCI memory mapped at @ioaddr (in
+	 * user space) into a register using pcilg then store these bytes at
+	 * user address @dst
+	 */
+	asm volatile (
+		"       sacf    256\n"
+		"0:     .insn   rre,0xb9d60000,%[val],%[ioaddr]\n"
+		"1:     ipm     %[cc]\n"
+		"       srl     %[cc],28\n"
+		"       ltr     %[cc],%[cc]\n"
+		"       jne     4f\n"
+		"2:     ahi     %[shift],-8\n"
+		"       srlg    %[tmp],%[val],0(%[shift])\n"
+		"3:     stc     %[tmp],0(%[dst])\n"
+		"       aghi    %[dst],1\n"
+		"       brctg   %[cnt],2b\n"
+		"4:     sacf    768\n"
+		EX_TABLE(0b, 4b) EX_TABLE(1b, 4b) EX_TABLE(3b, 4b)
+		:
+		[cc] "+d" (cc), [val] "=d" (val), [len] "+d" (len),
+		[dst] "+a" (dst), [cnt] "+d" (cnt), [tmp] "=d" (tmp),
+		[shift] "+d" (shift)
+		:
+		[ioaddr] "a" (addr)
+		: "cc", "memory");
+
+	/* did we write everything to the user space buffer? */
+	if (!cc && cnt != 0)
+		cc = -EFAULT;
+
+	*status = len >> 24 & 0xff;
+	return cc;
+}
+
+static inline int __memcpy_fromio_inuser(void __user *dst,
+				     const void __iomem *src,
+				     unsigned long n)
+{
+	int size, rc = 0;
+	u8 status;
+	mm_segment_t old_fs;
+
+	old_fs = enable_sacf_uaccess();
+	while (n > 0) {
+		size = zpci_get_max_write_size((u64 __force) src,
+					       (u64 __force) dst, n,
+					       ZPCI_MAX_READ_SIZE);
+		rc = __pcilg_mio_inuser(dst, src, size, &status);
+		if (rc)
+			break;
+		src += size;
+		dst += size;
+		n -= size;
+	}
+	disable_sacf_uaccess(old_fs);
+	if (rc)
+		zpci_err_mmio(rc, status, (__force u64) dst);
+	return rc;
+}
+
 SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
 		void __user *, user_buffer, size_t, length)
 {
@@ -86,12 +280,27 @@ SYSCALL_DEFINE3(s390_pci_mmio_read, unsigned long, mmio_addr,
 
 	if (length <= 0 || PAGE_SIZE - (mmio_addr & ~PAGE_MASK) < length)
 		return -EINVAL;
+
+	/*
+	 * Only support write access to MIO capable devices on a MIO enabled
+	 * system. Otherwise we would have to check for every address if it is
+	 * a special ZPCI_ADDR and we would have to do a get_pfn() which we
+	 * don't need for MIO capable devices.
+	 */
+	if (static_branch_likely(&have_mio)) {
+		ret = __memcpy_fromio_inuser(
+				user_buffer, (const void __iomem *)mmio_addr,
+				length);
+		return ret;
+	}
+
 	if (length > 64) {
 		buf = kmalloc(length, GFP_KERNEL);
 		if (!buf)
 			return -ENOMEM;
-	} else
+	} else {
 		buf = local_buf;
+	}
 
 	ret = get_pfn(mmio_addr, VM_READ, &pfn);
 	if (ret)
diff --git a/arch/sh/include/uapi/asm/sockios.h b/arch/sh/include/uapi/asm/sockios.h
index 3da561453260..ef01ced9e169 100644
--- a/arch/sh/include/uapi/asm/sockios.h
+++ b/arch/sh/include/uapi/asm/sockios.h
@@ -2,6 +2,8 @@
 #ifndef __ASM_SH_SOCKIOS_H
 #define __ASM_SH_SOCKIOS_H
 
+#include <linux/time_types.h>
+
 /* Socket-level I/O control calls. */
 #define FIOGETOWN	_IOR('f', 123, int)
 #define FIOSETOWN 	_IOW('f', 124, int)
diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index b7c94de70cca..a8c2f2615fc6 100644
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -331,9 +331,9 @@ static void __init srmmu_nocache_init(void)
 
 	while (vaddr < srmmu_nocache_end) {
 		pgd = pgd_offset_k(vaddr);
-		p4d = p4d_offset(__nocache_fix(pgd), vaddr);
-		pud = pud_offset(__nocache_fix(p4d), vaddr);
-		pmd = pmd_offset(__nocache_fix(pgd), vaddr);
+		p4d = p4d_offset(pgd, vaddr);
+		pud = pud_offset(p4d, vaddr);
+		pmd = pmd_offset(__nocache_fix(pud), vaddr);
 		pte = pte_offset_kernel(__nocache_fix(pmd), vaddr);
 
 		pteval = ((paddr >> 4) | SRMMU_ET_PTE | SRMMU_PRIV);
diff --git a/arch/um/drivers/vector_user.h b/arch/um/drivers/vector_user.h
index 91f35b266aba..d29d5fdd98fa 100644
--- a/arch/um/drivers/vector_user.h
+++ b/arch/um/drivers/vector_user.h
@@ -17,7 +17,7 @@
 #define TRANS_TAP_LEN strlen(TRANS_TAP)
 
 #define TRANS_GRE "gre"
-#define TRANS_GRE_LEN strlen(TRANS_RAW)
+#define TRANS_GRE_LEN strlen(TRANS_GRE)
 
 #define TRANS_L2TPV3 "l2tpv3"
 #define TRANS_L2TPV3_LEN strlen(TRANS_L2TPV3)
diff --git a/arch/um/include/asm/xor.h b/arch/um/include/asm/xor.h
index 7a3208c47cfc..36b33d62a35d 100644
--- a/arch/um/include/asm/xor.h
+++ b/arch/um/include/asm/xor.h
@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/xor.h>
-#include <shared/timer-internal.h>
+#include <linux/time-internal.h>
 
 /* pick an arbitrary one - measuring isn't possible with inf-cpu */
 #define XOR_SELECT_TEMPLATE(x)	\
diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c
index 0a12d5a09217..3d91f89fd852 100644
--- a/arch/um/kernel/skas/syscall.c
+++ b/arch/um/kernel/skas/syscall.c
@@ -11,6 +11,7 @@
 #include <sysdep/ptrace_user.h>
 #include <sysdep/syscalls.h>
 #include <linux/time-internal.h>
+#include <asm/unistd.h>
 
 void handle_syscall(struct uml_pt_regs *r)
 {
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 1197b5596d5a..2d3f963fd6f1 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -68,6 +68,7 @@ config X86
 	select ARCH_HAS_KCOV			if X86_64
 	select ARCH_HAS_MEM_ENCRYPT
 	select ARCH_HAS_MEMBARRIER_SYNC_CORE
+	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE
 	select ARCH_HAS_PMEM_API		if X86_64
 	select ARCH_HAS_PTE_DEVMAP		if X86_64
 	select ARCH_HAS_PTE_SPECIAL
diff --git a/arch/x86/boot/tools/build.c b/arch/x86/boot/tools/build.c
index 8f8c8e386cea..c8b8c1a8d1fc 100644
--- a/arch/x86/boot/tools/build.c
+++ b/arch/x86/boot/tools/build.c
@@ -59,14 +59,14 @@ u8 buf[SETUP_SECT_MAX*512];
 #define PECOFF_COMPAT_RESERVE 0x0
 #endif
 
-unsigned long efi32_stub_entry;
-unsigned long efi64_stub_entry;
-unsigned long efi_pe_entry;
-unsigned long efi32_pe_entry;
-unsigned long kernel_info;
-unsigned long startup_64;
-unsigned long _ehead;
-unsigned long _end;
+static unsigned long efi32_stub_entry;
+static unsigned long efi64_stub_entry;
+static unsigned long efi_pe_entry;
+static unsigned long efi32_pe_entry;
+static unsigned long kernel_info;
+static unsigned long startup_64;
+static unsigned long _ehead;
+static unsigned long _end;
 
 /*----------------------------------------------------------------------*/
 
diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c
index fd51bac11b46..acf76b466db6 100644
--- a/arch/x86/hyperv/hv_init.c
+++ b/arch/x86/hyperv/hv_init.c
@@ -226,10 +226,18 @@ static int hv_cpu_die(unsigned int cpu)
 
 	rdmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl));
 	if (re_ctrl.target_vp == hv_vp_index[cpu]) {
-		/* Reassign to some other online CPU */
+		/*
+		 * Reassign reenlightenment notifications to some other online
+		 * CPU or just disable the feature if there are no online CPUs
+		 * left (happens on hibernation).
+		 */
 		new_cpu = cpumask_any_but(cpu_online_mask, cpu);
 
-		re_ctrl.target_vp = hv_vp_index[new_cpu];
+		if (new_cpu < nr_cpu_ids)
+			re_ctrl.target_vp = hv_vp_index[new_cpu];
+		else
+			re_ctrl.enabled = 0;
+
 		wrmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl));
 	}
 
@@ -293,6 +301,13 @@ static void hv_resume(void)
 
 	hv_hypercall_pg = hv_hypercall_pg_saved;
 	hv_hypercall_pg_saved = NULL;
+
+	/*
+	 * Reenlightenment notifications are disabled by hv_cpu_die(0),
+	 * reenable them here if hv_reenlightenment_cb was previously set.
+	 */
+	if (hv_reenlightenment_cb)
+		set_hv_tscchange_cb(hv_reenlightenment_cb);
 }
 
 /* Note: when the ops are called, only CPU0 is online and IRQs are disabled. */
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index 53f246e9df5a..0367efdc5b7a 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -52,9 +52,9 @@ static __always_inline void
 arch_set_bit(long nr, volatile unsigned long *addr)
 {
 	if (__builtin_constant_p(nr)) {
-		asm volatile(LOCK_PREFIX "orb %1,%0"
+		asm volatile(LOCK_PREFIX "orb %b1,%0"
 			: CONST_MASK_ADDR(nr, addr)
-			: "iq" (CONST_MASK(nr) & 0xff)
+			: "iq" (CONST_MASK(nr))
 			: "memory");
 	} else {
 		asm volatile(LOCK_PREFIX __ASM_SIZE(bts) " %1,%0"
@@ -72,9 +72,9 @@ static __always_inline void
 arch_clear_bit(long nr, volatile unsigned long *addr)
 {
 	if (__builtin_constant_p(nr)) {
-		asm volatile(LOCK_PREFIX "andb %1,%0"
+		asm volatile(LOCK_PREFIX "andb %b1,%0"
 			: CONST_MASK_ADDR(nr, addr)
-			: "iq" (CONST_MASK(nr) ^ 0xff));
+			: "iq" (~CONST_MASK(nr)));
 	} else {
 		asm volatile(LOCK_PREFIX __ASM_SIZE(btr) " %1,%0"
 			: : RLONG_ADDR(addr), "Ir" (nr) : "memory");
@@ -123,9 +123,9 @@ static __always_inline void
 arch_change_bit(long nr, volatile unsigned long *addr)
 {
 	if (__builtin_constant_p(nr)) {
-		asm volatile(LOCK_PREFIX "xorb %1,%0"
+		asm volatile(LOCK_PREFIX "xorb %b1,%0"
 			: CONST_MASK_ADDR(nr, addr)
-			: "iq" ((u8)CONST_MASK(nr)));
+			: "iq" (CONST_MASK(nr)));
 	} else {
 		asm volatile(LOCK_PREFIX __ASM_SIZE(btc) " %1,%0"
 			: : RLONG_ADDR(addr), "Ir" (nr) : "memory");
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index 70b96cae5b42..84b9449be080 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -56,6 +56,12 @@ struct dyn_arch_ftrace {
 
 #ifndef __ASSEMBLY__
 
+#if defined(CONFIG_FUNCTION_TRACER) && defined(CONFIG_DYNAMIC_FTRACE)
+extern void set_ftrace_ops_ro(void);
+#else
+static inline void set_ftrace_ops_ro(void) { }
+#endif
+
 #define ARCH_HAS_SYSCALL_MATCH_SYM_NAME
 static inline bool arch_syscall_match_sym_name(const char *sym, const char *name)
 {
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 0dea9f122bb9..0a6b35353fc7 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -578,6 +578,7 @@ struct kvm_vcpu_arch {
 	unsigned long cr4;
 	unsigned long cr4_guest_owned_bits;
 	unsigned long cr8;
+	u32 host_pkru;
 	u32 pkru;
 	u32 hflags;
 	u64 efer;
@@ -1093,8 +1094,6 @@ struct kvm_x86_ops {
 	void (*set_idt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
 	void (*get_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
 	void (*set_gdt)(struct kvm_vcpu *vcpu, struct desc_ptr *dt);
-	u64 (*get_dr6)(struct kvm_vcpu *vcpu);
-	void (*set_dr6)(struct kvm_vcpu *vcpu, unsigned long value);
 	void (*sync_dirty_debug_regs)(struct kvm_vcpu *vcpu);
 	void (*set_dr7)(struct kvm_vcpu *vcpu, unsigned long value);
 	void (*cache_reg)(struct kvm_vcpu *vcpu, enum kvm_reg reg);
@@ -1449,6 +1448,7 @@ bool kvm_rdpmc(struct kvm_vcpu *vcpu);
 
 void kvm_queue_exception(struct kvm_vcpu *vcpu, unsigned nr);
 void kvm_queue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
+void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr, unsigned long payload);
 void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr);
 void kvm_requeue_exception_e(struct kvm_vcpu *vcpu, unsigned nr, u32 error_code);
 void kvm_inject_page_fault(struct kvm_vcpu *vcpu, struct x86_exception *fault);
diff --git a/arch/x86/include/asm/stackprotector.h b/arch/x86/include/asm/stackprotector.h
index 91e29b6a86a5..9804a7957f4e 100644
--- a/arch/x86/include/asm/stackprotector.h
+++ b/arch/x86/include/asm/stackprotector.h
@@ -55,8 +55,13 @@
 /*
  * Initialize the stackprotector canary value.
  *
- * NOTE: this must only be called from functions that never return,
+ * NOTE: this must only be called from functions that never return
  * and it must always be inlined.
+ *
+ * In addition, it should be called from a compilation unit for which
+ * stack protector is disabled. Alternatively, the caller should not end
+ * with a function call which gets tail-call optimized as that would
+ * lead to checking a modified canary value.
  */
 static __always_inline void boot_init_stack_canary(void)
 {
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 37a0aeaf89e7..b0e641793be4 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -407,7 +407,8 @@ create_trampoline(struct ftrace_ops *ops, unsigned int *tramp_size)
 
 	set_vm_flush_reset_perms(trampoline);
 
-	set_memory_ro((unsigned long)trampoline, npages);
+	if (likely(system_state != SYSTEM_BOOTING))
+		set_memory_ro((unsigned long)trampoline, npages);
 	set_memory_x((unsigned long)trampoline, npages);
 	return (unsigned long)trampoline;
 fail:
@@ -415,6 +416,32 @@ fail:
 	return 0;
 }
 
+void set_ftrace_ops_ro(void)
+{
+	struct ftrace_ops *ops;
+	unsigned long start_offset;
+	unsigned long end_offset;
+	unsigned long npages;
+	unsigned long size;
+
+	do_for_each_ftrace_op(ops, ftrace_ops_list) {
+		if (!(ops->flags & FTRACE_OPS_FL_ALLOC_TRAMP))
+			continue;
+
+		if (ops->flags & FTRACE_OPS_FL_SAVE_REGS) {
+			start_offset = (unsigned long)ftrace_regs_caller;
+			end_offset = (unsigned long)ftrace_regs_caller_end;
+		} else {
+			start_offset = (unsigned long)ftrace_caller;
+			end_offset = (unsigned long)ftrace_epilogue;
+		}
+		size = end_offset - start_offset;
+		size = size + RET_SIZE + sizeof(void *);
+		npages = DIV_ROUND_UP(size, PAGE_SIZE);
+		set_memory_ro((unsigned long)ops->trampoline, npages);
+	} while_for_each_ftrace_op(ops);
+}
+
 static unsigned long calc_trampoline_call_offset(bool save_regs)
 {
 	unsigned long start_offset;
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 8c89e4d9ad28..2f24c334a938 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -266,6 +266,14 @@ static void notrace start_secondary(void *unused)
 
 	wmb();
 	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+
+	/*
+	 * Prevent tail call to cpu_startup_entry() because the stack protector
+	 * guard has been changed a couple of function calls up, in
+	 * boot_init_stack_canary() and must not be checked before tail calling
+	 * another function.
+	 */
+	prevent_tail_call_optimization();
 }
 
 /**
diff --git a/arch/x86/kernel/unwind_orc.c b/arch/x86/kernel/unwind_orc.c
index 5b0bd8581fe6..7f969b2d240f 100644
--- a/arch/x86/kernel/unwind_orc.c
+++ b/arch/x86/kernel/unwind_orc.c
@@ -320,12 +320,19 @@ EXPORT_SYMBOL_GPL(unwind_get_return_address);
 
 unsigned long *unwind_get_return_address_ptr(struct unwind_state *state)
 {
+	struct task_struct *task = state->task;
+
 	if (unwind_done(state))
 		return NULL;
 
 	if (state->regs)
 		return &state->regs->ip;
 
+	if (task != current && state->sp == task->thread.sp) {
+		struct inactive_task_frame *frame = (void *)task->thread.sp;
+		return &frame->ret_addr;
+	}
+
 	if (state->sp)
 		return (unsigned long *)state->sp - 1;
 
@@ -617,23 +624,23 @@ EXPORT_SYMBOL_GPL(unwind_next_frame);
 void __unwind_start(struct unwind_state *state, struct task_struct *task,
 		    struct pt_regs *regs, unsigned long *first_frame)
 {
-	if (!orc_init)
-		goto done;
-
 	memset(state, 0, sizeof(*state));
 	state->task = task;
 
+	if (!orc_init)
+		goto err;
+
 	/*
 	 * Refuse to unwind the stack of a task while it's executing on another
 	 * CPU.  This check is racy, but that's ok: the unwinder has other
 	 * checks to prevent it from going off the rails.
 	 */
 	if (task_on_another_cpu(task))
-		goto done;
+		goto err;
 
 	if (regs) {
 		if (user_mode(regs))
-			goto done;
+			goto the_end;
 
 		state->ip = regs->ip;
 		state->sp = regs->sp;
@@ -666,6 +673,7 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
 		 * generate some kind of backtrace if this happens.
 		 */
 		void *next_page = (void *)PAGE_ALIGN((unsigned long)state->sp);
+		state->error = true;
 		if (get_stack_info(next_page, state->task, &state->stack_info,
 				   &state->stack_mask))
 			return;
@@ -691,8 +699,9 @@ void __unwind_start(struct unwind_state *state, struct task_struct *task,
 
 	return;
 
-done:
+err:
+	state->error = true;
+the_end:
 	state->stack_info.type = STACK_TYPE_UNKNOWN;
-	return;
 }
 EXPORT_SYMBOL_GPL(__unwind_start);
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index bcefa9d4e57e..54d4b98b49e1 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1427,7 +1427,7 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *current_vcpu, u64 ingpa,
 	 */
 	kvm_make_vcpus_request_mask(kvm,
 				    KVM_REQ_TLB_FLUSH | KVM_REQUEST_NO_WAKEUP,
-				    vcpu_mask, &hv_vcpu->tlb_flush);
+				    NULL, vcpu_mask, &hv_vcpu->tlb_flush);
 
 ret_success:
 	/* We always do full TLB flush, set rep_done = rep_cnt. */
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 90a1ca939627..9a2a62e5afeb 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 
 #include <asm/msr-index.h>
+#include <asm/debugreg.h>
 
 #include "kvm_emulate.h"
 #include "trace.h"
@@ -267,7 +268,7 @@ void enter_svm_guest_mode(struct vcpu_svm *svm, u64 vmcb_gpa,
 	svm->vmcb->save.rsp = nested_vmcb->save.rsp;
 	svm->vmcb->save.rip = nested_vmcb->save.rip;
 	svm->vmcb->save.dr7 = nested_vmcb->save.dr7;
-	svm->vmcb->save.dr6 = nested_vmcb->save.dr6;
+	svm->vcpu.arch.dr6  = nested_vmcb->save.dr6;
 	svm->vmcb->save.cpl = nested_vmcb->save.cpl;
 
 	svm->nested.vmcb_msrpm = nested_vmcb->control.msrpm_base_pa & ~0x0fffULL;
@@ -482,7 +483,7 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
 	nested_vmcb->save.rsp    = vmcb->save.rsp;
 	nested_vmcb->save.rax    = vmcb->save.rax;
 	nested_vmcb->save.dr7    = vmcb->save.dr7;
-	nested_vmcb->save.dr6    = vmcb->save.dr6;
+	nested_vmcb->save.dr6    = svm->vcpu.arch.dr6;
 	nested_vmcb->save.cpl    = vmcb->save.cpl;
 
 	nested_vmcb->control.int_ctl           = vmcb->control.int_ctl;
@@ -606,26 +607,45 @@ static int nested_svm_exit_handled_msr(struct vcpu_svm *svm)
 /* DB exceptions for our internal use must not cause vmexit */
 static int nested_svm_intercept_db(struct vcpu_svm *svm)
 {
-	unsigned long dr6;
+	unsigned long dr6 = svm->vmcb->save.dr6;
+
+	/* Always catch it and pass it to userspace if debugging.  */
+	if (svm->vcpu.guest_debug &
+	    (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))
+		return NESTED_EXIT_HOST;
 
 	/* if we're not singlestepping, it's not ours */
 	if (!svm->nmi_singlestep)
-		return NESTED_EXIT_DONE;
+		goto reflected_db;
 
 	/* if it's not a singlestep exception, it's not ours */
-	if (kvm_get_dr(&svm->vcpu, 6, &dr6))
-		return NESTED_EXIT_DONE;
 	if (!(dr6 & DR6_BS))
-		return NESTED_EXIT_DONE;
+		goto reflected_db;
 
 	/* if the guest is singlestepping, it should get the vmexit */
 	if (svm->nmi_singlestep_guest_rflags & X86_EFLAGS_TF) {
 		disable_nmi_singlestep(svm);
-		return NESTED_EXIT_DONE;
+		goto reflected_db;
 	}
 
 	/* it's ours, the nested hypervisor must not see this one */
 	return NESTED_EXIT_HOST;
+
+reflected_db:
+	/*
+	 * Synchronize guest DR6 here just like in kvm_deliver_exception_payload;
+	 * it will be moved into the nested VMCB by nested_svm_vmexit.  Once
+	 * exceptions will be moved to svm_check_nested_events, all this stuff
+	 * will just go away and we could just return NESTED_EXIT_HOST
+	 * unconditionally.  db_interception will queue the exception, which
+	 * will be processed by svm_check_nested_events if a nested vmexit is
+	 * required, and we will just use kvm_deliver_exception_payload to copy
+	 * the payload to DR6 before vmexit.
+	 */
+	WARN_ON(svm->vcpu.arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT);
+	svm->vcpu.arch.dr6 &= ~(DR_TRAP_BITS | DR6_RTM);
+	svm->vcpu.arch.dr6 |= dr6 & ~DR6_FIXED_1;
+	return NESTED_EXIT_DONE;
 }
 
 static int nested_svm_intercept_ioio(struct vcpu_svm *svm)
@@ -682,6 +702,9 @@ static int nested_svm_intercept(struct vcpu_svm *svm)
 		if (svm->nested.intercept_exceptions & excp_bits) {
 			if (exit_code == SVM_EXIT_EXCP_BASE + DB_VECTOR)
 				vmexit = nested_svm_intercept_db(svm);
+			else if (exit_code == SVM_EXIT_EXCP_BASE + BP_VECTOR &&
+				 svm->vcpu.guest_debug & KVM_GUESTDBG_USE_SW_BP)
+				vmexit = NESTED_EXIT_HOST;
 			else
 				vmexit = NESTED_EXIT_DONE;
 		}
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 38f6aeefeb55..a862c768fd54 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -1672,17 +1672,14 @@ static void new_asid(struct vcpu_svm *svm, struct svm_cpu_data *sd)
 	mark_dirty(svm->vmcb, VMCB_ASID);
 }
 
-static u64 svm_get_dr6(struct kvm_vcpu *vcpu)
+static void svm_set_dr6(struct vcpu_svm *svm, unsigned long value)
 {
-	return to_svm(vcpu)->vmcb->save.dr6;
-}
-
-static void svm_set_dr6(struct kvm_vcpu *vcpu, unsigned long value)
-{
-	struct vcpu_svm *svm = to_svm(vcpu);
+	struct vmcb *vmcb = svm->vmcb;
 
-	svm->vmcb->save.dr6 = value;
-	mark_dirty(svm->vmcb, VMCB_DR);
+	if (unlikely(value != vmcb->save.dr6)) {
+		vmcb->save.dr6 = value;
+		mark_dirty(vmcb, VMCB_DR);
+	}
 }
 
 static void svm_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
@@ -1693,9 +1690,12 @@ static void svm_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
 	get_debugreg(vcpu->arch.db[1], 1);
 	get_debugreg(vcpu->arch.db[2], 2);
 	get_debugreg(vcpu->arch.db[3], 3);
-	vcpu->arch.dr6 = svm_get_dr6(vcpu);
+	/*
+	 * We cannot reset svm->vmcb->save.dr6 to DR6_FIXED_1|DR6_RTM here,
+	 * because db_interception might need it.  We can do it before vmentry.
+	 */
+	vcpu->arch.dr6 = svm->vmcb->save.dr6;
 	vcpu->arch.dr7 = svm->vmcb->save.dr7;
-
 	vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_WONT_EXIT;
 	set_dr_intercepts(svm);
 }
@@ -1739,7 +1739,8 @@ static int db_interception(struct vcpu_svm *svm)
 	if (!(svm->vcpu.guest_debug &
 	      (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
 		!svm->nmi_singlestep) {
-		kvm_queue_exception(&svm->vcpu, DB_VECTOR);
+		u32 payload = (svm->vmcb->save.dr6 ^ DR6_RTM) & ~DR6_FIXED_1;
+		kvm_queue_exception_p(&svm->vcpu, DB_VECTOR, payload);
 		return 1;
 	}
 
@@ -3317,6 +3318,15 @@ static void svm_vcpu_run(struct kvm_vcpu *vcpu)
 
 	svm->vmcb->save.cr2 = vcpu->arch.cr2;
 
+	/*
+	 * Run with all-zero DR6 unless needed, so that we can get the exact cause
+	 * of a #DB.
+	 */
+	if (unlikely(svm->vcpu.arch.switch_db_regs & KVM_DEBUGREG_WONT_EXIT))
+		svm_set_dr6(svm, vcpu->arch.dr6);
+	else
+		svm_set_dr6(svm, DR6_FIXED_1 | DR6_RTM);
+
 	clgi();
 	kvm_load_guest_xsave_state(vcpu);
 
@@ -3931,8 +3941,6 @@ static struct kvm_x86_ops svm_x86_ops __initdata = {
 	.set_idt = svm_set_idt,
 	.get_gdt = svm_get_gdt,
 	.set_gdt = svm_set_gdt,
-	.get_dr6 = svm_get_dr6,
-	.set_dr6 = svm_set_dr6,
 	.set_dr7 = svm_set_dr7,
 	.sync_dirty_debug_regs = svm_sync_dirty_debug_regs,
 	.cache_reg = svm_cache_reg,
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index c2c6335a998c..89c766fad889 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -1372,7 +1372,6 @@ void vmx_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 
 	vmx_vcpu_pi_load(vcpu, cpu);
 
-	vmx->host_pkru = read_pkru();
 	vmx->host_debugctlmsr = get_debugctlmsr();
 }
 
@@ -4677,15 +4676,13 @@ static int handle_exception_nmi(struct kvm_vcpu *vcpu)
 		dr6 = vmcs_readl(EXIT_QUALIFICATION);
 		if (!(vcpu->guest_debug &
 		      (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP))) {
-			vcpu->arch.dr6 &= ~DR_TRAP_BITS;
-			vcpu->arch.dr6 |= dr6 | DR6_RTM;
 			if (is_icebp(intr_info))
 				WARN_ON(!skip_emulated_instruction(vcpu));
 
-			kvm_queue_exception(vcpu, DB_VECTOR);
+			kvm_queue_exception_p(vcpu, DB_VECTOR, dr6);
 			return 1;
 		}
-		kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1;
+		kvm_run->debug.arch.dr6 = dr6 | DR6_FIXED_1 | DR6_RTM;
 		kvm_run->debug.arch.dr7 = vmcs_readl(GUEST_DR7);
 		/* fall through */
 	case BP_VECTOR:
@@ -4929,16 +4926,14 @@ static int handle_dr(struct kvm_vcpu *vcpu)
 		 * guest debugging itself.
 		 */
 		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP) {
-			vcpu->run->debug.arch.dr6 = vcpu->arch.dr6;
+			vcpu->run->debug.arch.dr6 = DR6_BD | DR6_RTM | DR6_FIXED_1;
 			vcpu->run->debug.arch.dr7 = dr7;
 			vcpu->run->debug.arch.pc = kvm_get_linear_rip(vcpu);
 			vcpu->run->debug.arch.exception = DB_VECTOR;
 			vcpu->run->exit_reason = KVM_EXIT_DEBUG;
 			return 0;
 		} else {
-			vcpu->arch.dr6 &= ~DR_TRAP_BITS;
-			vcpu->arch.dr6 |= DR6_BD | DR6_RTM;
-			kvm_queue_exception(vcpu, DB_VECTOR);
+			kvm_queue_exception_p(vcpu, DB_VECTOR, DR6_BD);
 			return 1;
 		}
 	}
@@ -4969,15 +4964,6 @@ static int handle_dr(struct kvm_vcpu *vcpu)
 	return kvm_skip_emulated_instruction(vcpu);
 }
 
-static u64 vmx_get_dr6(struct kvm_vcpu *vcpu)
-{
-	return vcpu->arch.dr6;
-}
-
-static void vmx_set_dr6(struct kvm_vcpu *vcpu, unsigned long val)
-{
-}
-
 static void vmx_sync_dirty_debug_regs(struct kvm_vcpu *vcpu)
 {
 	get_debugreg(vcpu->arch.db[0], 0);
@@ -6577,11 +6563,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
 
 	kvm_load_guest_xsave_state(vcpu);
 
-	if (static_cpu_has(X86_FEATURE_PKU) &&
-	    kvm_read_cr4_bits(vcpu, X86_CR4_PKE) &&
-	    vcpu->arch.pkru != vmx->host_pkru)
-		__write_pkru(vcpu->arch.pkru);
-
 	pt_guest_enter(vmx);
 
 	if (vcpu_to_pmu(vcpu)->version)
@@ -6671,18 +6652,6 @@ static void vmx_vcpu_run(struct kvm_vcpu *vcpu)
 
 	pt_guest_exit(vmx);
 
-	/*
-	 * eager fpu is enabled if PKEY is supported and CR4 is switched
-	 * back on host, so it is safe to read guest PKRU from current
-	 * XSAVE.
-	 */
-	if (static_cpu_has(X86_FEATURE_PKU) &&
-	    kvm_read_cr4_bits(vcpu, X86_CR4_PKE)) {
-		vcpu->arch.pkru = rdpkru();
-		if (vcpu->arch.pkru != vmx->host_pkru)
-			__write_pkru(vmx->host_pkru);
-	}
-
 	kvm_load_host_xsave_state(vcpu);
 
 	vmx->nested.nested_run_pending = 0;
@@ -7740,8 +7709,6 @@ static struct kvm_x86_ops vmx_x86_ops __initdata = {
 	.set_idt = vmx_set_idt,
 	.get_gdt = vmx_get_gdt,
 	.set_gdt = vmx_set_gdt,
-	.get_dr6 = vmx_get_dr6,
-	.set_dr6 = vmx_set_dr6,
 	.set_dr7 = vmx_set_dr7,
 	.sync_dirty_debug_regs = vmx_sync_dirty_debug_regs,
 	.cache_reg = vmx_cache_reg,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index d786c7d27ce5..c17e6eb9ad43 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -572,11 +572,12 @@ void kvm_requeue_exception(struct kvm_vcpu *vcpu, unsigned nr)
 }
 EXPORT_SYMBOL_GPL(kvm_requeue_exception);
 
-static void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr,
-				  unsigned long payload)
+void kvm_queue_exception_p(struct kvm_vcpu *vcpu, unsigned nr,
+			   unsigned long payload)
 {
 	kvm_multiple_exception(vcpu, nr, false, 0, true, payload, false);
 }
+EXPORT_SYMBOL_GPL(kvm_queue_exception_p);
 
 static void kvm_queue_exception_e_p(struct kvm_vcpu *vcpu, unsigned nr,
 				    u32 error_code, unsigned long payload)
@@ -836,11 +837,25 @@ void kvm_load_guest_xsave_state(struct kvm_vcpu *vcpu)
 		    vcpu->arch.ia32_xss != host_xss)
 			wrmsrl(MSR_IA32_XSS, vcpu->arch.ia32_xss);
 	}
+
+	if (static_cpu_has(X86_FEATURE_PKU) &&
+	    (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
+	     (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU)) &&
+	    vcpu->arch.pkru != vcpu->arch.host_pkru)
+		__write_pkru(vcpu->arch.pkru);
 }
 EXPORT_SYMBOL_GPL(kvm_load_guest_xsave_state);
 
 void kvm_load_host_xsave_state(struct kvm_vcpu *vcpu)
 {
+	if (static_cpu_has(X86_FEATURE_PKU) &&
+	    (kvm_read_cr4_bits(vcpu, X86_CR4_PKE) ||
+	     (vcpu->arch.xcr0 & XFEATURE_MASK_PKRU))) {
+		vcpu->arch.pkru = rdpkru();
+		if (vcpu->arch.pkru != vcpu->arch.host_pkru)
+			__write_pkru(vcpu->arch.host_pkru);
+	}
+
 	if (kvm_read_cr4_bits(vcpu, X86_CR4_OSXSAVE)) {
 
 		if (vcpu->arch.xcr0 != host_xcr0)
@@ -1045,12 +1060,6 @@ static void kvm_update_dr0123(struct kvm_vcpu *vcpu)
 	}
 }
 
-static void kvm_update_dr6(struct kvm_vcpu *vcpu)
-{
-	if (!(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP))
-		kvm_x86_ops.set_dr6(vcpu, vcpu->arch.dr6);
-}
-
 static void kvm_update_dr7(struct kvm_vcpu *vcpu)
 {
 	unsigned long dr7;
@@ -1090,7 +1099,6 @@ static int __kvm_set_dr(struct kvm_vcpu *vcpu, int dr, unsigned long val)
 		if (val & 0xffffffff00000000ULL)
 			return -1; /* #GP */
 		vcpu->arch.dr6 = (val & DR6_VOLATILE) | kvm_dr6_fixed(vcpu);
-		kvm_update_dr6(vcpu);
 		break;
 	case 5:
 		/* fall through */
@@ -1126,10 +1134,7 @@ int kvm_get_dr(struct kvm_vcpu *vcpu, int dr, unsigned long *val)
 	case 4:
 		/* fall through */
 	case 6:
-		if (vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP)
-			*val = vcpu->arch.dr6;
-		else
-			*val = kvm_x86_ops.get_dr6(vcpu);
+		*val = vcpu->arch.dr6;
 		break;
 	case 5:
 		/* fall through */
@@ -3558,6 +3563,9 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
 
 	kvm_x86_ops.vcpu_load(vcpu, cpu);
 
+	/* Save host pkru register if supported */
+	vcpu->arch.host_pkru = read_pkru();
+
 	/* Apply any externally detected TSC adjustments (due to suspend) */
 	if (unlikely(vcpu->arch.tsc_offset_adjustment)) {
 		adjust_tsc_offset_host(vcpu, vcpu->arch.tsc_offset_adjustment);
@@ -3751,7 +3759,7 @@ static int kvm_vcpu_ioctl_x86_setup_mce(struct kvm_vcpu *vcpu,
 	unsigned bank_num = mcg_cap & 0xff, bank;
 
 	r = -EINVAL;
-	if (!bank_num || bank_num >= KVM_MAX_MCE_BANKS)
+	if (!bank_num || bank_num > KVM_MAX_MCE_BANKS)
 		goto out;
 	if (mcg_cap & ~(kvm_mce_cap_supported | 0xff | 0xff0000))
 		goto out;
@@ -4009,7 +4017,6 @@ static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
 	memcpy(vcpu->arch.db, dbgregs->db, sizeof(vcpu->arch.db));
 	kvm_update_dr0123(vcpu);
 	vcpu->arch.dr6 = dbgregs->dr6;
-	kvm_update_dr6(vcpu);
 	vcpu->arch.dr7 = dbgregs->dr7;
 	kvm_update_dr7(vcpu);
 
@@ -6659,7 +6666,7 @@ static int kvm_vcpu_do_singlestep(struct kvm_vcpu *vcpu)
 
 	if (vcpu->guest_debug & KVM_GUESTDBG_SINGLESTEP) {
 		kvm_run->debug.arch.dr6 = DR6_BS | DR6_FIXED_1 | DR6_RTM;
-		kvm_run->debug.arch.pc = vcpu->arch.singlestep_rip;
+		kvm_run->debug.arch.pc = kvm_get_linear_rip(vcpu);
 		kvm_run->debug.arch.exception = DB_VECTOR;
 		kvm_run->exit_reason = KVM_EXIT_DEBUG;
 		return 0;
@@ -6719,9 +6726,7 @@ static bool kvm_vcpu_check_breakpoint(struct kvm_vcpu *vcpu, int *r)
 					   vcpu->arch.db);
 
 		if (dr6 != 0) {
-			vcpu->arch.dr6 &= ~DR_TRAP_BITS;
-			vcpu->arch.dr6 |= dr6 | DR6_RTM;
-			kvm_queue_exception(vcpu, DB_VECTOR);
+			kvm_queue_exception_p(vcpu, DB_VECTOR, dr6);
 			*r = 1;
 			return true;
 		}
@@ -8042,7 +8047,7 @@ void kvm_make_scan_ioapic_request_mask(struct kvm *kvm,
 	zalloc_cpumask_var(&cpus, GFP_ATOMIC);
 
 	kvm_make_vcpus_request_mask(kvm, KVM_REQ_SCAN_IOAPIC,
-				    vcpu_bitmap, cpus);
+				    NULL, vcpu_bitmap, cpus);
 
 	free_cpumask_var(cpus);
 }
@@ -8072,6 +8077,7 @@ EXPORT_SYMBOL_GPL(kvm_vcpu_update_apicv);
  */
 void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit)
 {
+	struct kvm_vcpu *except;
 	unsigned long old, new, expected;
 
 	if (!kvm_x86_ops.check_apicv_inhibit_reasons ||
@@ -8096,7 +8102,17 @@ void kvm_request_apicv_update(struct kvm *kvm, bool activate, ulong bit)
 	trace_kvm_apicv_update_request(activate, bit);
 	if (kvm_x86_ops.pre_update_apicv_exec_ctrl)
 		kvm_x86_ops.pre_update_apicv_exec_ctrl(kvm, activate);
-	kvm_make_all_cpus_request(kvm, KVM_REQ_APICV_UPDATE);
+
+	/*
+	 * Sending request to update APICV for all other vcpus,
+	 * while update the calling vcpu immediately instead of
+	 * waiting for another #VMEXIT to handle the request.
+	 */
+	except = kvm_get_running_vcpu();
+	kvm_make_all_cpus_request_except(kvm, KVM_REQ_APICV_UPDATE,
+					 except);
+	if (except)
+		kvm_vcpu_update_apicv(except);
 }
 EXPORT_SYMBOL_GPL(kvm_request_apicv_update);
 
@@ -8420,7 +8436,6 @@ static int vcpu_enter_guest(struct kvm_vcpu *vcpu)
 		WARN_ON(vcpu->guest_debug & KVM_GUESTDBG_USE_HW_BP);
 		kvm_x86_ops.sync_dirty_debug_regs(vcpu);
 		kvm_update_dr0123(vcpu);
-		kvm_update_dr6(vcpu);
 		kvm_update_dr7(vcpu);
 		vcpu->arch.switch_db_regs &= ~KVM_DEBUGREG_RELOAD;
 	}
@@ -9481,7 +9496,6 @@ void kvm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
 	memset(vcpu->arch.db, 0, sizeof(vcpu->arch.db));
 	kvm_update_dr0123(vcpu);
 	vcpu->arch.dr6 = DR6_INIT;
-	kvm_update_dr6(vcpu);
 	vcpu->arch.dr7 = DR7_FIXED_1;
 	kvm_update_dr7(vcpu);
 
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 3b289c2f75cd..8b5f73f5e207 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -54,6 +54,7 @@
 #include <asm/init.h>
 #include <asm/uv/uv.h>
 #include <asm/setup.h>
+#include <asm/ftrace.h>
 
 #include "mm_internal.h"
 
@@ -1291,6 +1292,8 @@ void mark_rodata_ro(void)
 	all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
 	set_memory_nx(text_end, (all_end - text_end) >> PAGE_SHIFT);
 
+	set_ftrace_ops_ro();
+
 #ifdef CONFIG_CPA_DEBUG
 	printk(KERN_INFO "Testing CPA: undo %lx-%lx\n", start, end);
 	set_memory_rw(start, (end-start) >> PAGE_SHIFT);
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index 109325d77b3e..43fd19b3f118 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -372,7 +372,7 @@ static void enter_uniprocessor(void)
 	int cpu;
 	int err;
 
-	if (downed_cpus == NULL &&
+	if (!cpumask_available(downed_cpus) &&
 	    !alloc_cpumask_var(&downed_cpus, GFP_KERNEL)) {
 		pr_notice("Failed to allocate mask\n");
 		goto out;
@@ -402,7 +402,7 @@ static void leave_uniprocessor(void)
 	int cpu;
 	int err;
 
-	if (downed_cpus == NULL || cpumask_weight(downed_cpus) == 0)
+	if (!cpumask_available(downed_cpus) || cpumask_weight(downed_cpus) == 0)
 		return;
 	pr_notice("Re-enabling CPUs...\n");
 	for_each_cpu(cpu, downed_cpus) {
diff --git a/arch/x86/xen/smp_pv.c b/arch/x86/xen/smp_pv.c
index 8fb8a50a28b4..f2adb63b2d7c 100644
--- a/arch/x86/xen/smp_pv.c
+++ b/arch/x86/xen/smp_pv.c
@@ -93,6 +93,7 @@ asmlinkage __visible void cpu_bringup_and_idle(void)
 	cpu_bringup();
 	boot_init_stack_canary();
 	cpu_startup_entry(CPUHP_AP_ONLINE_IDLE);
+	prevent_tail_call_optimization();
 }
 
 void xen_smp_intr_free_pv(unsigned int cpu)