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| author |  Peter Zijlstra <peterz@infradead.org>
| 2021-11-10 11:01:15 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org>
| 2021-12-11 09:09:48 +0100 |
| commit | 5fc77b916cb82fe476ae2344e0ec37445227a4f8 (patch) | |
| tree | 732ca13b188a5188bd7c9d05e0cadf925345f1c8 /arch/x86/include/asm/extable_fixup_types.h | |
| parent | x86/fpu: Remove .fixup usage (diff) | |
| download | linux-5fc77b916cb82fe476ae2344e0ec37445227a4f8.tar.gz linux-5fc77b916cb82fe476ae2344e0ec37445227a4f8.tar.bz2 linux-5fc77b916cb82fe476ae2344e0ec37445227a4f8.zip | |
x86/segment: Remove .fixup usage
Create and use EX_TYPE_ZERO_REG to clear the register and retry the
segment load on exception.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101325.663529463@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 7469038de100..a43b8c128e74 100644 --- a/arch/x86/include/asm/extable_fixup_types.h +++ b/arch/x86/include/asm/extable_fixup_types.h @@ -45,5 +45,6 @@ #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)) #endif |