22 files changed, 311 insertions, 240 deletions

diff --git a/arch/alpha/Makefile b/arch/alpha/Makefile
index 881cb913e23a..45158024085e 100644
--- a/arch/alpha/Makefile
+++ b/arch/alpha/Makefile
@@ -36,8 +36,6 @@ cflags-y				+= $(cpuflags-y)
 # BWX is most important, but we don't really want any emulation ever.
 KBUILD_CFLAGS += $(cflags-y) -Wa,-mev6
 
-head-y := arch/alpha/kernel/head.o
-
 libs-y				+= arch/alpha/lib/
 
 # export what is needed by arch/alpha/boot/Makefile
diff --git a/arch/alpha/include/asm/a.out.h b/arch/alpha/include/asm/a.out.h
deleted file mode 100644
index d2346b7caff1..000000000000
--- a/arch/alpha/include/asm/a.out.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef __ALPHA_A_OUT_H__
-#define __ALPHA_A_OUT_H__
-
-#include <uapi/asm/a.out.h>
-
-
-/* Assume that start addresses below 4G belong to a TASO application.
-   Unfortunately, there is no proper bit in the exec header to check.
-   Worse, we have to notice the start address before swapping to use
-   /sbin/loader, which of course is _not_ a TASO application.  */
-#define SET_AOUT_PERSONALITY(BFPM, EX) \
-	set_personality (((BFPM->taso || EX.ah.entry < 0x100000000L \
-			   ? ADDR_LIMIT_32BIT : 0) | PER_OSF4))
-
-#endif /* __A_OUT_GNU_H__ */
diff --git a/arch/alpha/include/asm/core_apecs.h b/arch/alpha/include/asm/core_apecs.h
index 2d9726fc02ef..69a2fc62c9c3 100644
--- a/arch/alpha/include/asm/core_apecs.h
+++ b/arch/alpha/include/asm/core_apecs.h
@@ -384,7 +384,7 @@ struct el_apecs_procdata
 		}						\
 	} while (0)
 
-__EXTERN_INLINE unsigned int apecs_ioread8(const void __iomem *xaddr)
+__EXTERN_INLINE u8 apecs_ioread8(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -420,7 +420,7 @@ __EXTERN_INLINE void apecs_iowrite8(u8 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int apecs_ioread16(const void __iomem *xaddr)
+__EXTERN_INLINE u16 apecs_ioread16(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -456,7 +456,7 @@ __EXTERN_INLINE void apecs_iowrite16(u16 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int apecs_ioread32(const void __iomem *xaddr)
+__EXTERN_INLINE u32 apecs_ioread32(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	if (addr < APECS_DENSE_MEM)
@@ -472,6 +472,22 @@ __EXTERN_INLINE void apecs_iowrite32(u32 b, void __iomem *xaddr)
 	*(vuip)addr = b;
 }
 
+__EXTERN_INLINE u64 apecs_ioread64(const void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < APECS_DENSE_MEM)
+		addr = ((addr - APECS_IO) << 5) + APECS_IO + 0x18;
+	return *(vulp)addr;
+}
+
+__EXTERN_INLINE void apecs_iowrite64(u64 b, void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < APECS_DENSE_MEM)
+		addr = ((addr - APECS_IO) << 5) + APECS_IO + 0x18;
+	*(vulp)addr = b;
+}
+
 __EXTERN_INLINE void __iomem *apecs_ioportmap(unsigned long addr)
 {
 	return (void __iomem *)(addr + APECS_IO);
diff --git a/arch/alpha/include/asm/core_cia.h b/arch/alpha/include/asm/core_cia.h
index cb22991f6761..d26bdfb7ca3b 100644
--- a/arch/alpha/include/asm/core_cia.h
+++ b/arch/alpha/include/asm/core_cia.h
@@ -342,7 +342,7 @@ struct el_CIA_sysdata_mcheck {
 #define vuip	volatile unsigned int __force *
 #define vulp	volatile unsigned long __force *
 
-__EXTERN_INLINE unsigned int cia_ioread8(const void __iomem *xaddr)
+__EXTERN_INLINE u8 cia_ioread8(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -374,7 +374,7 @@ __EXTERN_INLINE void cia_iowrite8(u8 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int cia_ioread16(const void __iomem *xaddr)
+__EXTERN_INLINE u16 cia_ioread16(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -404,7 +404,7 @@ __EXTERN_INLINE void cia_iowrite16(u16 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int cia_ioread32(const void __iomem *xaddr)
+__EXTERN_INLINE u32 cia_ioread32(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	if (addr < CIA_DENSE_MEM)
@@ -420,6 +420,22 @@ __EXTERN_INLINE void cia_iowrite32(u32 b, void __iomem *xaddr)
 	*(vuip)addr = b;
 }
 
+__EXTERN_INLINE u64 cia_ioread64(const void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < CIA_DENSE_MEM)
+		addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
+	return *(vulp)addr;
+}
+
+__EXTERN_INLINE void cia_iowrite64(u64 b, void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < CIA_DENSE_MEM)
+		addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
+	*(vulp)addr = b;
+}
+
 __EXTERN_INLINE void __iomem *cia_ioportmap(unsigned long addr)
 {
 	return (void __iomem *)(addr + CIA_IO);
diff --git a/arch/alpha/include/asm/core_lca.h b/arch/alpha/include/asm/core_lca.h
index ec86314418cb..d8c3e72ef8f6 100644
--- a/arch/alpha/include/asm/core_lca.h
+++ b/arch/alpha/include/asm/core_lca.h
@@ -230,7 +230,7 @@ union el_lca {
 	} while (0)
 
 
-__EXTERN_INLINE unsigned int lca_ioread8(const void __iomem *xaddr)
+__EXTERN_INLINE u8 lca_ioread8(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -266,7 +266,7 @@ __EXTERN_INLINE void lca_iowrite8(u8 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int lca_ioread16(const void __iomem *xaddr)
+__EXTERN_INLINE u16 lca_ioread16(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	unsigned long result, base_and_type;
@@ -302,7 +302,7 @@ __EXTERN_INLINE void lca_iowrite16(u16 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + base_and_type) = w;
 }
 
-__EXTERN_INLINE unsigned int lca_ioread32(const void __iomem *xaddr)
+__EXTERN_INLINE u32 lca_ioread32(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
 	if (addr < LCA_DENSE_MEM)
@@ -318,6 +318,22 @@ __EXTERN_INLINE void lca_iowrite32(u32 b, void __iomem *xaddr)
 	*(vuip)addr = b;
 }
 
+__EXTERN_INLINE u64 lca_ioread64(const void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < LCA_DENSE_MEM)
+		addr = ((addr - LCA_IO) << 5) + LCA_IO + 0x18;
+	return *(vulp)addr;
+}
+
+__EXTERN_INLINE void lca_iowrite64(u64 b, void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long) xaddr;
+	if (addr < LCA_DENSE_MEM)
+		addr = ((addr - LCA_IO) << 5) + LCA_IO + 0x18;
+	*(vulp)addr = b;
+}
+
 __EXTERN_INLINE void __iomem *lca_ioportmap(unsigned long addr)
 {
 	return (void __iomem *)(addr + LCA_IO);
diff --git a/arch/alpha/include/asm/core_marvel.h b/arch/alpha/include/asm/core_marvel.h
index b266e02e284b..d99f3a82e0e5 100644
--- a/arch/alpha/include/asm/core_marvel.h
+++ b/arch/alpha/include/asm/core_marvel.h
@@ -332,10 +332,10 @@ struct io7 {
 #define vucp	volatile unsigned char __force *
 #define vusp	volatile unsigned short __force *
 
-extern unsigned int marvel_ioread8(const void __iomem *);
+extern u8 marvel_ioread8(const void __iomem *);
 extern void marvel_iowrite8(u8 b, void __iomem *);
 
-__EXTERN_INLINE unsigned int marvel_ioread16(const void __iomem *addr)
+__EXTERN_INLINE u16 marvel_ioread16(const void __iomem *addr)
 {
 	return __kernel_ldwu(*(vusp)addr);
 }
diff --git a/arch/alpha/include/asm/core_mcpcia.h b/arch/alpha/include/asm/core_mcpcia.h
index cb24d1bd6141..ed2bf8ad40ed 100644
--- a/arch/alpha/include/asm/core_mcpcia.h
+++ b/arch/alpha/include/asm/core_mcpcia.h
@@ -248,6 +248,7 @@ struct el_MCPCIA_uncorrected_frame_mcheck {
 
 #define vip	volatile int __force *
 #define vuip	volatile unsigned int __force *
+#define vulp	volatile unsigned long __force *
 
 #ifndef MCPCIA_ONE_HAE_WINDOW
 #define MCPCIA_FROB_MMIO						\
@@ -267,7 +268,7 @@ extern inline int __mcpcia_is_mmio(unsigned long addr)
 	return (addr & 0x80000000UL) == 0;
 }
 
-__EXTERN_INLINE unsigned int mcpcia_ioread8(const void __iomem *xaddr)
+__EXTERN_INLINE u8 mcpcia_ioread8(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long)xaddr & MCPCIA_MEM_MASK;
 	unsigned long hose = (unsigned long)xaddr & ~MCPCIA_MEM_MASK;
@@ -291,7 +292,7 @@ __EXTERN_INLINE void mcpcia_iowrite8(u8 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + hose + 0x00) = w;
 }
 
-__EXTERN_INLINE unsigned int mcpcia_ioread16(const void __iomem *xaddr)
+__EXTERN_INLINE u16 mcpcia_ioread16(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long)xaddr & MCPCIA_MEM_MASK;
 	unsigned long hose = (unsigned long)xaddr & ~MCPCIA_MEM_MASK;
@@ -315,7 +316,7 @@ __EXTERN_INLINE void mcpcia_iowrite16(u16 b, void __iomem *xaddr)
 	*(vuip) ((addr << 5) + hose + 0x08) = w;
 }
 
-__EXTERN_INLINE unsigned int mcpcia_ioread32(const void __iomem *xaddr)
+__EXTERN_INLINE u32 mcpcia_ioread32(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long)xaddr;
 
@@ -335,6 +336,26 @@ __EXTERN_INLINE void mcpcia_iowrite32(u32 b, void __iomem *xaddr)
 	*(vuip)addr = b;
 }
 
+__EXTERN_INLINE u64 mcpcia_ioread64(const void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long)xaddr;
+
+	if (!__mcpcia_is_mmio(addr))
+		addr = ((addr & 0xffff) << 5) + (addr & ~0xfffful) + 0x18;
+
+	return *(vulp)addr;
+}
+
+__EXTERN_INLINE void mcpcia_iowrite64(u64 b, void __iomem *xaddr)
+{
+	unsigned long addr = (unsigned long)xaddr;
+
+	if (!__mcpcia_is_mmio(addr))
+		addr = ((addr & 0xffff) << 5) + (addr & ~0xfffful) + 0x18;
+
+	*(vulp)addr = b;
+}
+
 
 __EXTERN_INLINE void __iomem *mcpcia_ioportmap(unsigned long addr)
 {
@@ -362,6 +383,7 @@ __EXTERN_INLINE int mcpcia_is_mmio(const volatile void __iomem *xaddr)
 
 #undef vip
 #undef vuip
+#undef vulp
 
 #undef __IO_PREFIX
 #define __IO_PREFIX		mcpcia
diff --git a/arch/alpha/include/asm/core_t2.h b/arch/alpha/include/asm/core_t2.h
index 12bb7addc789..ab956b1625b5 100644
--- a/arch/alpha/include/asm/core_t2.h
+++ b/arch/alpha/include/asm/core_t2.h
@@ -360,6 +360,7 @@ struct el_t2_frame_corrected {
 
 #define vip	volatile int *
 #define vuip	volatile unsigned int *
+#define vulp	volatile unsigned long *
 
 extern inline u8 t2_inb(unsigned long addr)
 {
@@ -402,6 +403,17 @@ extern inline void t2_outl(u32 b, unsigned long addr)
 	mb();
 }
 
+extern inline u64 t2_inq(unsigned long addr)
+{
+	return *(vulp) ((addr << 5) + T2_IO + 0x18);
+}
+
+extern inline void t2_outq(u64 b, unsigned long addr)
+{
+	*(vulp) ((addr << 5) + T2_IO + 0x18) = b;
+	mb();
+}
+
 
 /*
  * Memory functions.
@@ -572,7 +584,7 @@ __EXTERN_INLINE int t2_is_mmio(const volatile void __iomem *addr)
    it doesn't make sense to merge the pio and mmio routines.  */
 
 #define IOPORT(OS, NS)							\
-__EXTERN_INLINE unsigned int t2_ioread##NS(const void __iomem *xaddr)		\
+__EXTERN_INLINE u##NS t2_ioread##NS(const void __iomem *xaddr)		\
 {									\
 	if (t2_is_mmio(xaddr))						\
 		return t2_read##OS(xaddr);				\
@@ -590,11 +602,13 @@ __EXTERN_INLINE void t2_iowrite##NS(u##NS b, void __iomem *xaddr)	\
 IOPORT(b, 8)
 IOPORT(w, 16)
 IOPORT(l, 32)
+IOPORT(q, 64)
 
 #undef IOPORT
 
 #undef vip
 #undef vuip
+#undef vulp
 
 #undef __IO_PREFIX
 #define __IO_PREFIX		t2
diff --git a/arch/alpha/include/asm/io.h b/arch/alpha/include/asm/io.h
index d277189b2677..1c3605d874e9 100644
--- a/arch/alpha/include/asm/io.h
+++ b/arch/alpha/include/asm/io.h
@@ -90,6 +90,8 @@ static inline void * phys_to_virt(unsigned long address)
 }
 #endif
 
+#define virt_to_phys		virt_to_phys
+#define phys_to_virt		phys_to_virt
 #define page_to_phys(page)	page_to_pa(page)
 
 /* Maximum PIO space address supported?  */
@@ -153,6 +155,7 @@ static inline void generic_##NAME(TYPE b, QUAL void __iomem *addr)	\
 REMAP1(unsigned int, ioread8, const)
 REMAP1(unsigned int, ioread16, const)
 REMAP1(unsigned int, ioread32, const)
+REMAP1(u64, ioread64, const)
 REMAP1(u8, readb, const volatile)
 REMAP1(u16, readw, const volatile)
 REMAP1(u32, readl, const volatile)
@@ -161,6 +164,7 @@ REMAP1(u64, readq, const volatile)
 REMAP2(u8, iowrite8, /**/)
 REMAP2(u16, iowrite16, /**/)
 REMAP2(u32, iowrite32, /**/)
+REMAP2(u64, iowrite64, /**/)
 REMAP2(u8, writeb, volatile)
 REMAP2(u16, writew, volatile)
 REMAP2(u32, writel, volatile)
@@ -242,6 +246,12 @@ extern u32		inl(unsigned long port);
 extern void		outb(u8 b, unsigned long port);
 extern void		outw(u16 b, unsigned long port);
 extern void		outl(u32 b, unsigned long port);
+#define inb inb
+#define inw inw
+#define inl inl
+#define outb outb
+#define outw outw
+#define outl outl
 
 extern u8		readb(const volatile void __iomem *addr);
 extern u16		readw(const volatile void __iomem *addr);
@@ -251,6 +261,14 @@ extern void		writeb(u8 b, volatile void __iomem *addr);
 extern void		writew(u16 b, volatile void __iomem *addr);
 extern void		writel(u32 b, volatile void __iomem *addr);
 extern void		writeq(u64 b, volatile void __iomem *addr);
+#define readb readb
+#define readw readw
+#define readl readl
+#define readq readq
+#define writeb writeb
+#define writew writew
+#define writel writel
+#define writeq writeq
 
 extern u8		__raw_readb(const volatile void __iomem *addr);
 extern u16		__raw_readw(const volatile void __iomem *addr);
@@ -260,6 +278,14 @@ extern void		__raw_writeb(u8 b, volatile void __iomem *addr);
 extern void		__raw_writew(u16 b, volatile void __iomem *addr);
 extern void		__raw_writel(u32 b, volatile void __iomem *addr);
 extern void		__raw_writeq(u64 b, volatile void __iomem *addr);
+#define __raw_readb __raw_readb
+#define __raw_readw __raw_readw
+#define __raw_readl __raw_readl
+#define __raw_readq __raw_readq
+#define __raw_writeb __raw_writeb
+#define __raw_writew __raw_writew
+#define __raw_writel __raw_writel
+#define __raw_writeq __raw_writeq
 
 /*
  * Mapping from port numbers to __iomem space is pretty easy.
@@ -277,6 +303,9 @@ extern inline void ioport_unmap(void __iomem *addr)
 {
 }
 
+#define ioport_map ioport_map
+#define ioport_unmap ioport_unmap
+
 static inline void __iomem *ioremap(unsigned long port, unsigned long size)
 {
 	return IO_CONCAT(__IO_PREFIX,ioremap) (port, size);
@@ -358,6 +387,11 @@ extern inline void outw(u16 b, unsigned long port)
 }
 #endif
 
+#define ioread8 ioread8
+#define ioread16 ioread16
+#define iowrite8 iowrite8
+#define iowrite16 iowrite16
+
 #if IO_CONCAT(__IO_PREFIX,trivial_io_lq)
 extern inline unsigned int ioread32(const void __iomem *addr)
 {
@@ -368,12 +402,27 @@ extern inline unsigned int ioread32(const void __iomem *addr)
 	return ret;
 }
 
+extern inline u64 ioread64(const void __iomem *addr)
+{
+	unsigned int ret;
+	mb();
+	ret = IO_CONCAT(__IO_PREFIX,ioread64)(addr);
+	mb();
+	return ret;
+}
+
 extern inline void iowrite32(u32 b, void __iomem *addr)
 {
 	mb();
 	IO_CONCAT(__IO_PREFIX, iowrite32)(b, addr);
 }
 
+extern inline void iowrite64(u64 b, void __iomem *addr)
+{
+	mb();
+	IO_CONCAT(__IO_PREFIX, iowrite64)(b, addr);
+}
+
 extern inline u32 inl(unsigned long port)
 {
 	return ioread32(ioport_map(port, 4));
@@ -385,6 +434,11 @@ extern inline void outl(u32 b, unsigned long port)
 }
 #endif
 
+#define ioread32 ioread32
+#define ioread64 ioread64
+#define iowrite32 iowrite32
+#define iowrite64 iowrite64
+
 #if IO_CONCAT(__IO_PREFIX,trivial_rw_bw) == 1
 extern inline u8 __raw_readb(const volatile void __iomem *addr)
 {
@@ -505,6 +559,10 @@ extern u8 readb_relaxed(const volatile void __iomem *addr);
 extern u16 readw_relaxed(const volatile void __iomem *addr);
 extern u32 readl_relaxed(const volatile void __iomem *addr);
 extern u64 readq_relaxed(const volatile void __iomem *addr);
+#define readb_relaxed readb_relaxed
+#define readw_relaxed readw_relaxed
+#define readl_relaxed readl_relaxed
+#define readq_relaxed readq_relaxed
 
 #if IO_CONCAT(__IO_PREFIX,trivial_io_bw)
 extern inline u8 readb_relaxed(const volatile void __iomem *addr)
@@ -557,6 +615,10 @@ static inline void memsetw_io(volatile void __iomem *addr, u16 c, long len)
 	_memset_c_io(addr, 0x0001000100010001UL * c, len);
 }
 
+#define memset_io memset_io
+#define memcpy_fromio memcpy_fromio
+#define memcpy_toio memcpy_toio
+
 /*
  * String versions of in/out ops:
  */
@@ -567,6 +629,13 @@ extern void outsb (unsigned long port, const void *src, unsigned long count);
 extern void outsw (unsigned long port, const void *src, unsigned long count);
 extern void outsl (unsigned long port, const void *src, unsigned long count);
 
+#define insb insb
+#define insw insw
+#define insl insl
+#define outsb outsb
+#define outsw outsw
+#define outsl outsl
+
 /*
  * The Alpha Jensen hardware for some rather strange reason puts
  * the RTC clock at 0x170 instead of 0x70. Probably due to some
@@ -587,21 +656,29 @@ extern void outsl (unsigned long port, const void *src, unsigned long count);
 #define RTC_ALWAYS_BCD	0
 
 /*
- * Some mucking forons use if[n]def writeq to check if platform has it.
- * It's a bloody bad idea and we probably want ARCH_HAS_WRITEQ for them
- * to play with; for now just use cpp anti-recursion logics and make sure
- * that damn thing is defined and expands to itself.
- */
-
-#define writeq writeq
-#define readq readq
-
-/*
  * Convert a physical pointer to a virtual kernel pointer for /dev/mem
  * access
  */
 #define xlate_dev_mem_ptr(p)	__va(p)
 
+/*
+ * These get provided from <asm-generic/iomap.h> since alpha does not
+ * select GENERIC_IOMAP.
+ */
+#define ioread64 ioread64
+#define iowrite64 iowrite64
+#define ioread64be ioread64be
+#define iowrite64be iowrite64be
+#define ioread8_rep ioread8_rep
+#define ioread16_rep ioread16_rep
+#define ioread32_rep ioread32_rep
+#define iowrite8_rep iowrite8_rep
+#define iowrite16_rep iowrite16_rep
+#define iowrite32_rep iowrite32_rep
+#define pci_iounmap pci_iounmap
+
+#include <asm-generic/io.h>
+
 #endif /* __KERNEL__ */
 
 #endif /* __ALPHA_IO_H */
diff --git a/arch/alpha/include/asm/io_trivial.h b/arch/alpha/include/asm/io_trivial.h
index a1a29cbe02fa..00032093bcfc 100644
--- a/arch/alpha/include/asm/io_trivial.h
+++ b/arch/alpha/include/asm/io_trivial.h
@@ -6,13 +6,13 @@
 /* This file may be included multiple times.  */
 
 #if IO_CONCAT(__IO_PREFIX,trivial_io_bw)
-__EXTERN_INLINE unsigned int
+__EXTERN_INLINE u8
 IO_CONCAT(__IO_PREFIX,ioread8)(const void __iomem *a)
 {
 	return __kernel_ldbu(*(const volatile u8 __force *)a);
 }
 
-__EXTERN_INLINE unsigned int
+__EXTERN_INLINE u16
 IO_CONCAT(__IO_PREFIX,ioread16)(const void __iomem *a)
 {
 	return __kernel_ldwu(*(const volatile u16 __force *)a);
@@ -32,7 +32,7 @@ IO_CONCAT(__IO_PREFIX,iowrite16)(u16 b, void __iomem *a)
 #endif
 
 #if IO_CONCAT(__IO_PREFIX,trivial_io_lq)
-__EXTERN_INLINE unsigned int
+__EXTERN_INLINE u32
 IO_CONCAT(__IO_PREFIX,ioread32)(const void __iomem *a)
 {
 	return *(const volatile u32 __force *)a;
@@ -43,6 +43,18 @@ IO_CONCAT(__IO_PREFIX,iowrite32)(u32 b, void __iomem *a)
 {
 	*(volatile u32 __force *)a = b;
 }
+
+__EXTERN_INLINE u64
+IO_CONCAT(__IO_PREFIX,ioread64)(const void __iomem *a)
+{
+	return *(const volatile u64 __force *)a;
+}
+
+__EXTERN_INLINE void
+IO_CONCAT(__IO_PREFIX,iowrite64)(u64 b, void __iomem *a)
+{
+	*(volatile u64 __force *)a = b;
+}
 #endif
 
 #if IO_CONCAT(__IO_PREFIX,trivial_rw_bw) == 1
diff --git a/arch/alpha/include/asm/jensen.h b/arch/alpha/include/asm/jensen.h
index 1c4131453db2..66eb049eb421 100644
--- a/arch/alpha/include/asm/jensen.h
+++ b/arch/alpha/include/asm/jensen.h
@@ -98,6 +98,7 @@ __EXTERN_INLINE void jensen_set_hae(unsigned long addr)
 }
 
 #define vuip	volatile unsigned int *
+#define vulp	volatile unsigned long *
 
 /*
  * IO functions
@@ -183,6 +184,12 @@ __EXTERN_INLINE u32 jensen_inl(unsigned long addr)
 	return *(vuip) ((addr << 7) + EISA_IO + 0x60);
 }
 
+__EXTERN_INLINE u64 jensen_inq(unsigned long addr)
+{
+	jensen_set_hae(0);
+	return *(vulp) ((addr << 7) + EISA_IO + 0x60);
+}
+
 __EXTERN_INLINE void jensen_outw(u16 b, unsigned long addr)
 {
 	jensen_set_hae(0);
@@ -197,6 +204,13 @@ __EXTERN_INLINE void jensen_outl(u32 b, unsigned long addr)
 	mb();
 }
 
+__EXTERN_INLINE void jensen_outq(u64 b, unsigned long addr)
+{
+	jensen_set_hae(0);
+	*(vulp) ((addr << 7) + EISA_IO + 0x60) = b;
+	mb();
+}
+
 /*
  * Memory functions.
  */
@@ -305,7 +319,7 @@ __EXTERN_INLINE int jensen_is_mmio(const volatile void __iomem *addr)
    that it doesn't make sense to merge them.  */
 
 #define IOPORT(OS, NS)							\
-__EXTERN_INLINE unsigned int jensen_ioread##NS(const void __iomem *xaddr)	\
+__EXTERN_INLINE u##NS jensen_ioread##NS(const void __iomem *xaddr)	\
 {									\
 	if (jensen_is_mmio(xaddr))					\
 		return jensen_read##OS(xaddr - 0x100000000ul);		\
@@ -323,10 +337,12 @@ __EXTERN_INLINE void jensen_iowrite##NS(u##NS b, void __iomem *xaddr)	\
 IOPORT(b, 8)
 IOPORT(w, 16)
 IOPORT(l, 32)
+IOPORT(q, 64)
 
 #undef IOPORT
 
 #undef vuip
+#undef vulp
 
 #undef __IO_PREFIX
 #define __IO_PREFIX		jensen
diff --git a/arch/alpha/include/asm/machvec.h b/arch/alpha/include/asm/machvec.h
index e49fabce7b33..8623f995d34c 100644
--- a/arch/alpha/include/asm/machvec.h
+++ b/arch/alpha/include/asm/machvec.h
@@ -46,13 +46,15 @@ struct alpha_machine_vector
 	void (*mv_pci_tbi)(struct pci_controller *hose,
 			   dma_addr_t start, dma_addr_t end);
 
-	unsigned int (*mv_ioread8)(const void __iomem *);
-	unsigned int (*mv_ioread16)(const void __iomem *);
-	unsigned int (*mv_ioread32)(const void __iomem *);
+	u8 (*mv_ioread8)(const void __iomem *);
+	u16 (*mv_ioread16)(const void __iomem *);
+	u32 (*mv_ioread32)(const void __iomem *);
+	u64 (*mv_ioread64)(const void __iomem *);
 
 	void (*mv_iowrite8)(u8, void __iomem *);
 	void (*mv_iowrite16)(u16, void __iomem *);
 	void (*mv_iowrite32)(u32, void __iomem *);
+	void (*mv_iowrite64)(u64, void __iomem *);
 
 	u8 (*mv_readb)(const volatile void __iomem *);
 	u16 (*mv_readw)(const volatile void __iomem *);
diff --git a/arch/alpha/include/asm/termios.h b/arch/alpha/include/asm/termios.h
deleted file mode 100644
index b7c77bb1bfd2..000000000000
--- a/arch/alpha/include/asm/termios.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _ALPHA_TERMIOS_H
-#define _ALPHA_TERMIOS_H
-
-#include <uapi/asm/termios.h>
-
-/*	eof=^D		eol=\0		eol2=\0		erase=del
-	werase=^W	kill=^U		reprint=^R	sxtc=\0
-	intr=^C		quit=^\		susp=^Z		<OSF/1 VDSUSP>
-	start=^Q	stop=^S		lnext=^V	discard=^U
-	vmin=\1		vtime=\0
-*/
-#define INIT_C_CC "\004\000\000\177\027\025\022\000\003\034\032\000\021\023\026\025\001\000"
-
-/*
- * Translate a "termio" structure into a "termios". Ugh.
- */
-
-#define user_termio_to_kernel_termios(a_termios, u_termio)			\
-({										\
-	struct ktermios *k_termios = (a_termios);				\
-	struct termio k_termio;							\
-	int canon, ret;								\
-										\
-	ret = copy_from_user(&k_termio, u_termio, sizeof(k_termio));		\
-	if (!ret) {								\
-		/* Overwrite only the low bits.  */				\
-		*(unsigned short *)&k_termios->c_iflag = k_termio.c_iflag;	\
-		*(unsigned short *)&k_termios->c_oflag = k_termio.c_oflag;	\
-		*(unsigned short *)&k_termios->c_cflag = k_termio.c_cflag;	\
-		*(unsigned short *)&k_termios->c_lflag = k_termio.c_lflag;	\
-		canon = k_termio.c_lflag & ICANON;				\
-										\
-		k_termios->c_cc[VINTR]  = k_termio.c_cc[_VINTR];		\
-		k_termios->c_cc[VQUIT]  = k_termio.c_cc[_VQUIT];		\
-		k_termios->c_cc[VERASE] = k_termio.c_cc[_VERASE];		\
-		k_termios->c_cc[VKILL]  = k_termio.c_cc[_VKILL];		\
-		k_termios->c_cc[VEOL2]  = k_termio.c_cc[_VEOL2];		\
-		k_termios->c_cc[VSWTC]  = k_termio.c_cc[_VSWTC];		\
-		k_termios->c_cc[canon ? VEOF : VMIN]  = k_termio.c_cc[_VEOF];	\
-		k_termios->c_cc[canon ? VEOL : VTIME] = k_termio.c_cc[_VEOL];	\
-	}									\
-	ret;									\
-})
-
-/*
- * Translate a "termios" structure into a "termio". Ugh.
- *
- * Note the "fun" _VMIN overloading.
- */
-#define kernel_termios_to_user_termio(u_termio, a_termios)		\
-({									\
-	struct ktermios *k_termios = (a_termios);			\
-	struct termio k_termio;						\
-	int canon;							\
-									\
-	k_termio.c_iflag = k_termios->c_iflag;				\
-	k_termio.c_oflag = k_termios->c_oflag;				\
-	k_termio.c_cflag = k_termios->c_cflag;				\
-	canon = (k_termio.c_lflag = k_termios->c_lflag) & ICANON;	\
-									\
-	k_termio.c_line = k_termios->c_line;				\
-	k_termio.c_cc[_VINTR]  = k_termios->c_cc[VINTR];		\
-	k_termio.c_cc[_VQUIT]  = k_termios->c_cc[VQUIT];		\
-	k_termio.c_cc[_VERASE] = k_termios->c_cc[VERASE];		\
-	k_termio.c_cc[_VKILL]  = k_termios->c_cc[VKILL];		\
-	k_termio.c_cc[_VEOF]   = k_termios->c_cc[canon ? VEOF : VMIN];	\
-	k_termio.c_cc[_VEOL]   = k_termios->c_cc[canon ? VEOL : VTIME];	\
-	k_termio.c_cc[_VEOL2]  = k_termios->c_cc[VEOL2];		\
-	k_termio.c_cc[_VSWTC]  = k_termios->c_cc[VSWTC];		\
-									\
-	copy_to_user(u_termio, &k_termio, sizeof(k_termio));		\
-})
-
-#define user_termios_to_kernel_termios(k, u) \
-	copy_from_user(k, u, sizeof(struct termios2))
-
-#define kernel_termios_to_user_termios(u, k) \
-	copy_to_user(u, k, sizeof(struct termios2))
-
-#define user_termios_to_kernel_termios_1(k, u) \
-	copy_from_user(k, u, sizeof(struct termios))
-
-#define kernel_termios_to_user_termios_1(u, k) \
-	copy_to_user(u, k, sizeof(struct termios))
-
-#endif	/* _ALPHA_TERMIOS_H */
diff --git a/arch/alpha/include/uapi/asm/mman.h b/arch/alpha/include/uapi/asm/mman.h
index 4aa996423b0d..763929e814e9 100644
--- a/arch/alpha/include/uapi/asm/mman.h
+++ b/arch/alpha/include/uapi/asm/mman.h
@@ -76,6 +76,8 @@
 
 #define MADV_DONTNEED_LOCKED	24	/* like DONTNEED, but drop locked pages too */
 
+#define MADV_COLLAPSE	25		/* Synchronous hugepage collapse */
+
 /* compatibility flags */
 #define MAP_FILE	0
 
diff --git a/arch/alpha/kernel/Makefile b/arch/alpha/kernel/Makefile
index 5a74581bf0ee..fb4efec7cbc7 100644
--- a/arch/alpha/kernel/Makefile
+++ b/arch/alpha/kernel/Makefile
@@ -3,13 +3,13 @@
 # Makefile for the linux kernel.
 #
 
-extra-y		:= head.o vmlinux.lds
+extra-y		:= vmlinux.lds
 asflags-y	:= $(KBUILD_CFLAGS)
 ccflags-y	:= -Wno-sign-compare
 
-obj-y    := entry.o traps.o process.o osf_sys.o irq.o \
+obj-y    := head.o entry.o traps.o process.o osf_sys.o irq.o \
 	    irq_alpha.o signal.o setup.o ptrace.o time.o \
-	    systbls.o err_common.o io.o bugs.o
+	    systbls.o err_common.o io.o bugs.o termios.o
 
 obj-$(CONFIG_VGA_HOSE)	+= console.o
 obj-$(CONFIG_SMP)	+= smp.o
@@ -47,10 +47,6 @@ else
 # Misc support
 obj-$(CONFIG_ALPHA_SRM)		+= srmcons.o
 
-ifdef CONFIG_BINFMT_AOUT
-obj-y	+= binfmt_loader.o
-endif
-
 # Core logic support
 obj-$(CONFIG_ALPHA_APECS)	+= core_apecs.o
 obj-$(CONFIG_ALPHA_CIA)		+= core_cia.o
diff --git a/arch/alpha/kernel/binfmt_loader.c b/arch/alpha/kernel/binfmt_loader.c
deleted file mode 100644
index e4be7a543ecf..000000000000
--- a/arch/alpha/kernel/binfmt_loader.c
+++ /dev/null
@@ -1,46 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/init.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/mm_types.h>
-#include <linux/binfmts.h>
-#include <linux/a.out.h>
-
-static int load_binary(struct linux_binprm *bprm)
-{
-	struct exec *eh = (struct exec *)bprm->buf;
-	unsigned long loader;
-	struct file *file;
-	int retval;
-
-	if (eh->fh.f_magic != 0x183 || (eh->fh.f_flags & 0x3000) != 0x3000)
-		return -ENOEXEC;
-
-	if (bprm->loader)
-		return -ENOEXEC;
-
-	loader = bprm->vma->vm_end - sizeof(void *);
-
-	file = open_exec("/sbin/loader");
-	retval = PTR_ERR(file);
-	if (IS_ERR(file))
-		return retval;
-
-	/* Remember if the application is TASO.  */
-	bprm->taso = eh->ah.entry < 0x100000000UL;
-
-	bprm->interpreter = file;
-	bprm->loader = loader;
-	return 0;
-}
-
-static struct linux_binfmt loader_format = {
-	.load_binary	= load_binary,
-};
-
-static int __init init_loader_binfmt(void)
-{
-	insert_binfmt(&loader_format);
-	return 0;
-}
-arch_initcall(init_loader_binfmt);
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index 1efca79ac83c..6d0b3baf97ff 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -803,7 +803,7 @@ void __iomem *marvel_ioportmap (unsigned long addr)
 	return (void __iomem *)addr;
 }
 
-unsigned int
+unsigned u8
 marvel_ioread8(const void __iomem *xaddr)
 {
 	unsigned long addr = (unsigned long) xaddr;
diff --git a/arch/alpha/kernel/io.c b/arch/alpha/kernel/io.c
index 838586abb1e0..eda09778268f 100644
--- a/arch/alpha/kernel/io.c
+++ b/arch/alpha/kernel/io.c
@@ -41,6 +41,15 @@ unsigned int ioread32(const void __iomem *addr)
 	return ret;
 }
 
+u64 ioread64(const void __iomem *addr)
+{
+	unsigned int ret;
+	mb();
+	ret = IO_CONCAT(__IO_PREFIX,ioread64)(addr);
+	mb();
+	return ret;
+}
+
 void iowrite8(u8 b, void __iomem *addr)
 {
 	mb();
@@ -59,12 +68,20 @@ void iowrite32(u32 b, void __iomem *addr)
 	IO_CONCAT(__IO_PREFIX,iowrite32)(b, addr);
 }
 
+void iowrite64(u64 b, void __iomem *addr)
+{
+	mb();
+	IO_CONCAT(__IO_PREFIX,iowrite64)(b, addr);
+}
+
 EXPORT_SYMBOL(ioread8);
 EXPORT_SYMBOL(ioread16);
 EXPORT_SYMBOL(ioread32);
+EXPORT_SYMBOL(ioread64);
 EXPORT_SYMBOL(iowrite8);
 EXPORT_SYMBOL(iowrite16);
 EXPORT_SYMBOL(iowrite32);
+EXPORT_SYMBOL(iowrite64);
 
 u8 inb(unsigned long port)
 {
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index 393d5d6ca5d2..c2ebcb39e589 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -78,9 +78,11 @@
 	.mv_ioread8 =		CAT(low,_ioread8),			\
 	.mv_ioread16 =		CAT(low,_ioread16),			\
 	.mv_ioread32 =		CAT(low,_ioread32),			\
+	.mv_ioread64 =		CAT(low,_ioread64),			\
 	.mv_iowrite8 =		CAT(low,_iowrite8),			\
 	.mv_iowrite16 =		CAT(low,_iowrite16),			\
 	.mv_iowrite32 =		CAT(low,_iowrite32),			\
+	.mv_iowrite64 =		CAT(low,_iowrite64),			\
 	.mv_readb =		CAT(low,_readb),			\
 	.mv_readw =		CAT(low,_readw),			\
 	.mv_readl =		CAT(low,_readl),			\
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index d257293401e2..c54469b369cb 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -108,7 +108,7 @@ struct osf_dirent_callback {
 	int error;
 };
 
-static int
+static bool
 osf_filldir(struct dir_context *ctx, const char *name, int namlen,
 	    loff_t offset, u64 ino, unsigned int d_type)
 {
@@ -120,11 +120,11 @@ osf_filldir(struct dir_context *ctx, const char *name, int namlen,
 
 	buf->error = -EINVAL;	/* only used if we fail */
 	if (reclen > buf->count)
-		return -EINVAL;
+		return false;
 	d_ino = ino;
 	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
 		buf->error = -EOVERFLOW;
-		return -EOVERFLOW;
+		return false;
 	}
 	if (buf->basep) {
 		if (put_user(offset, buf->basep))
@@ -141,10 +141,10 @@ osf_filldir(struct dir_context *ctx, const char *name, int namlen,
 	dirent = (void __user *)dirent + reclen;
 	buf->dirent = dirent;
 	buf->count -= reclen;
-	return 0;
+	return true;
 Efault:
 	buf->error = -EFAULT;
-	return -EFAULT;
+	return false;
 }
 
 SYSCALL_DEFINE4(osf_getdirentries, unsigned int, fd,
@@ -1278,48 +1278,6 @@ arch_get_unmapped_area(struct file *filp, unsigned long addr,
 	return addr;
 }
 
-#ifdef CONFIG_OSF4_COMPAT
-/* Clear top 32 bits of iov_len in the user's buffer for
-   compatibility with old versions of OSF/1 where iov_len
-   was defined as int. */
-static int
-osf_fix_iov_len(const struct iovec __user *iov, unsigned long count)
-{
-	unsigned long i;
-
-	for (i = 0 ; i < count ; i++) {
-		int __user *iov_len_high = (int __user *)&iov[i].iov_len + 1;
-
-		if (put_user(0, iov_len_high))
-			return -EFAULT;
-	}
-	return 0;
-}
-#endif
-
-SYSCALL_DEFINE3(osf_readv, unsigned long, fd,
-		const struct iovec __user *, vector, unsigned long, count)
-{
-#ifdef CONFIG_OSF4_COMPAT
-	if (unlikely(personality(current->personality) == PER_OSF4))
-		if (osf_fix_iov_len(vector, count))
-			return -EFAULT;
-#endif
-
-	return sys_readv(fd, vector, count);
-}
-
-SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
-		const struct iovec __user *, vector, unsigned long, count)
-{
-#ifdef CONFIG_OSF4_COMPAT
-	if (unlikely(personality(current->personality) == PER_OSF4))
-		if (osf_fix_iov_len(vector, count))
-			return -EFAULT;
-#endif
-	return sys_writev(fd, vector, count);
-}
-
 SYSCALL_DEFINE2(osf_getpriority, int, which, int, who)
 {
 	int prio = sys_getpriority(which, who);
diff --git a/arch/alpha/kernel/syscalls/syscall.tbl b/arch/alpha/kernel/syscalls/syscall.tbl
index 3515bc4f16a4..8ebacf37a8cf 100644
--- a/arch/alpha/kernel/syscalls/syscall.tbl
+++ b/arch/alpha/kernel/syscalls/syscall.tbl
@@ -125,8 +125,8 @@
 116	common	osf_gettimeofday		sys_osf_gettimeofday
 117	common	osf_getrusage			sys_osf_getrusage
 118	common	getsockopt			sys_getsockopt
-120	common	readv				sys_osf_readv
-121	common	writev				sys_osf_writev
+120	common	readv				sys_readv
+121	common	writev				sys_writev
 122	common	osf_settimeofday		sys_osf_settimeofday
 123	common	fchown				sys_fchown
 124	common	fchmod				sys_fchmod
diff --git a/arch/alpha/kernel/termios.c b/arch/alpha/kernel/termios.c
new file mode 100644
index 000000000000..a4c29a22edf7
--- /dev/null
+++ b/arch/alpha/kernel/termios.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <linux/termios_internal.h>
+
+int user_termio_to_kernel_termios(struct ktermios *termios,
+						struct termio __user *termio)
+{
+	struct termio v;
+	bool canon;
+
+	if (copy_from_user(&v, termio, sizeof(struct termio)))
+		return -EFAULT;
+
+	termios->c_iflag = (0xffff0000 & termios->c_iflag) | v.c_iflag;
+	termios->c_oflag = (0xffff0000 & termios->c_oflag) | v.c_oflag;
+	termios->c_cflag = (0xffff0000 & termios->c_cflag) | v.c_cflag;
+	termios->c_lflag = (0xffff0000 & termios->c_lflag) | v.c_lflag;
+	termios->c_line = (0xffff0000 & termios->c_lflag) | v.c_line;
+
+	canon = v.c_lflag & ICANON;
+	termios->c_cc[VINTR]  = v.c_cc[_VINTR];
+	termios->c_cc[VQUIT]  = v.c_cc[_VQUIT];
+	termios->c_cc[VERASE] = v.c_cc[_VERASE];
+	termios->c_cc[VKILL]  = v.c_cc[_VKILL];
+	termios->c_cc[VEOL2]  = v.c_cc[_VEOL2];
+	termios->c_cc[VSWTC]  = v.c_cc[_VSWTC];
+	termios->c_cc[canon ? VEOF : VMIN]  = v.c_cc[_VEOF];
+	termios->c_cc[canon ? VEOL : VTIME] = v.c_cc[_VEOL];
+
+	return 0;
+}
+
+int kernel_termios_to_user_termio(struct termio __user *termio,
+						struct ktermios *termios)
+{
+	struct termio v;
+	bool canon;
+
+	memset(&v, 0, sizeof(struct termio));
+	v.c_iflag = termios->c_iflag;
+	v.c_oflag = termios->c_oflag;
+	v.c_cflag = termios->c_cflag;
+	v.c_lflag = termios->c_lflag;
+	v.c_line = termios->c_line;
+
+	canon = v.c_lflag & ICANON;
+	v.c_cc[_VINTR]  = termios->c_cc[VINTR];
+	v.c_cc[_VQUIT]  = termios->c_cc[VQUIT];
+	v.c_cc[_VERASE] = termios->c_cc[VERASE];
+	v.c_cc[_VKILL]  = termios->c_cc[VKILL];
+	v.c_cc[_VEOF]   = termios->c_cc[canon ? VEOF : VMIN];
+	v.c_cc[_VEOL]   = termios->c_cc[canon ? VEOL : VTIME];
+	v.c_cc[_VEOL2]  = termios->c_cc[VEOL2];
+	v.c_cc[_VSWTC]  = termios->c_cc[VSWTC];
+
+	return copy_to_user(termio, &v, sizeof(struct termio));
+}