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authorLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 14:23:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-23 14:23:08 -0700
commit0c4b0f815f20304156f66d47d0c2a6e148f6ffaa (patch)
tree06c62ea33b1ae6be9d4e34b1301a95407329c038 /arch/mips/kernel
parent2ab054fd1f88d7d22e6df7c34c41a2f9782c3f08 (diff)
parent690d9163bf4b8563a2682e619f938e6a0443947f (diff)
downloadlinux-0c4b0f815f20304156f66d47d0c2a6e148f6ffaa.tar.gz
Merge tag 'mips_4.19_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:

  - Fix microMIPS build failures by adding a .insn directive to the
    barrier_before_unreachable() asm statement in order to convince the
    toolchain that the asm statement is a valid branch target rather
    than a bogus attempt to switch ISA.

  - Clean up our declarations of TLB functions that we overwrite with
    generated code in order to prevent the compiler making assumptions
    about alignment that cause microMIPS kernels built with GCC 7 &
    above to die early during boot.

  - Fix up a regression for MIPS32 kernels which slipped into the main
    MIPS pull for 4.19, causing CONFIG_32BIT=y kernels to contain
    inappropriate MIPS64 instructions.

  - Extend our existing workaround for MIPSr6 builds that end up using
    the __multi3 intrinsic to GCC 7 & below, rather than just GCC 7.

* tag 'mips_4.19_2' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
  MIPS: lib: Provide MIPS64r6 __multi3() for GCC < 7
  MIPS: Workaround GCC __builtin_unreachable reordering bug
  compiler.h: Allow arch-specific asm/compiler.h
  MIPS: Avoid move psuedo-instruction whilst using MIPS_ISA_LEVEL
  MIPS: Consistently declare TLB functions
  MIPS: Export tlbmiss_handler_setup_pgd near its definition
Diffstat (limited to 'arch/mips/kernel')
-rw-r--r--arch/mips/kernel/traps.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index f8871d5b7eb3..9dab0ed1b227 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -67,14 +67,12 @@
 #include <asm/mmu_context.h>
 #include <asm/types.h>
 #include <asm/stacktrace.h>
+#include <asm/tlbex.h>
 #include <asm/uasm.h>
 
 extern void check_wait(void);
 extern asmlinkage void rollback_handle_int(void);
 extern asmlinkage void handle_int(void);
-extern u32 handle_tlbl[];
-extern u32 handle_tlbs[];
-extern u32 handle_tlbm[];
 extern asmlinkage void handle_adel(void);
 extern asmlinkage void handle_ades(void);
 extern asmlinkage void handle_ibe(void);