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| author | Peter Zijlstra <peterz@infradead.org> | 2021-11-10 13:01:16 +0300 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-12-11 11:09:48 +0300 |
| commit | c9a34c3f4ece192f6d804039fe6aac9618f0d236 (patch) | |
| tree | 414ce438b3cc0312010e52031f117707b60426b5 /arch/x86/include/asm/extable_fixup_types.h | |
| parent | 5fc77b916cb82fe476ae2344e0ec37445227a4f8 (diff) | |
| download | linux-c9a34c3f4ece192f6d804039fe6aac9618f0d236.tar.xz | |
x86/kvm: Remove .fixup usage
KVM instruction emulation has a gnarly hack where the .fixup does a
return, however there's already a ret right after the 10b label, so
mark that as 11 and have the exception clear %esi to remove the
.fixup.
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101325.722157053@infradead.org
Diffstat (limited to 'arch/x86/include/asm/extable_fixup_types.h')
| -rw-r--r-- | arch/x86/include/asm/extable_fixup_types.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/extable_fixup_types.h b/arch/x86/include/asm/extable_fixup_types.h index a43b8c128e74..31ad42f1a76e 100644 --- a/arch/x86/include/asm/extable_fixup_types.h +++ b/arch/x86/include/asm/extable_fixup_types.h @@ -46,5 +46,6 @@ #define EX_TYPE_IMM_REG 17 /* reg := (long)imm */ #define EX_TYPE_EFAULT_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(-EFAULT)) #define EX_TYPE_ZERO_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(0)) +#define EX_TYPE_ONE_REG (EX_TYPE_IMM_REG | EX_DATA_IMM(1)) #endif |