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| author | Andre Przywara <andre.przywara@arm.com> | 2016-06-28 19:07:31 +0200 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2016-07-01 12:43:30 +0200 |
| commit | 390bf1773c7eba3b45df62ae82b3d2be911185b7 (patch) | |
| tree | 7bbb8ee4425bdec0dbd5563952c68ab6c6e22ee5 /arch/arm64/include/asm/traps.h | |
| parent | arm64: errata: Calling enable functions for CPU errata too (diff) | |
| download | linux-390bf1773c7eba3b45df62ae82b3d2be911185b7.tar.xz linux-390bf1773c7eba3b45df62ae82b3d2be911185b7.zip | |
arm64: consolidate signal injection on emulation errors
The code for injecting a signal into userland if a trapped instruction
fails emulation due to a _userland_ error (like an illegal address)
will be used more often with the next patch.
Factor out the core functionality into a separate function and use
that both for the existing trap handler and for the deprecated
instructions emulation.
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
[catalin.marinas@arm.com: s/set_segfault/arm64_notify_segfault/]
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'arch/arm64/include/asm/traps.h')
| -rw-r--r-- | arch/arm64/include/asm/traps.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/traps.h b/arch/arm64/include/asm/traps.h index 0cc2f29bf9da..9cd03f3e812f 100644 --- a/arch/arm64/include/asm/traps.h +++ b/arch/arm64/include/asm/traps.h @@ -34,6 +34,8 @@ struct undef_hook { void register_undef_hook(struct undef_hook *hook); void unregister_undef_hook(struct undef_hook *hook); +void arm64_notify_segfault(struct pt_regs *regs, unsigned long addr); + #ifdef CONFIG_FUNCTION_GRAPH_TRACER static inline int __in_irqentry_text(unsigned long ptr) { |