diff options
| author | Peter Zijlstra <peterz@infradead.org> | 2021-11-10 11:01:14 +0100 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2021-12-11 09:09:48 +0100 |
| commit | 1c3b9091d084d92c70a4260553853509637276b9 (patch) | |
| tree | ccccaaac0f47bd5da646ed43664c7c1c513d4d9a /arch/x86/kernel/fpu/legacy.h | |
| parent | e2b48e43284c0916ebf8e4240199b9d9747e337a (diff) | |
x86/fpu: Remove .fixup usage
Employ EX_TYPE_EFAULT_REG to store '-EFAULT' into the %[err] register
on exception. All the callers only ever test for 0, so the change
from -1 to -EFAULT is immaterial.
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20211110101325.604494664@infradead.org
Diffstat (limited to 'arch/x86/kernel/fpu/legacy.h')
| -rw-r--r-- | arch/x86/kernel/fpu/legacy.h | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/arch/x86/kernel/fpu/legacy.h b/arch/x86/kernel/fpu/legacy.h index 17c26b164c63..098f367bb8a7 100644 --- a/arch/x86/kernel/fpu/legacy.h +++ b/arch/x86/kernel/fpu/legacy.h @@ -35,11 +35,7 @@ static inline void ldmxcsr(u32 mxcsr) int err; \ asm volatile("1:" #insn "\n\t" \ "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: movl $-1,%[err]\n" \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ + _ASM_EXTABLE_TYPE_REG(1b, 2b, EX_TYPE_EFAULT_REG, %[err]) \ : [err] "=r" (err), output \ : "0"(0), input); \ err; \ |