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| author |   Brian Gerst <brgerst@gmail.com> | 2020-07-20 13:49:19 -0700 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2020-07-23 11:46:40 +0200 |
| commit | e4d16defbbde028aeab2026995f0ced4240df6d6 (patch) | |
| tree | 90ef9e707a5a71b97c8aa635d8b94da9dae5eb2a /arch/x86/include/asm/percpu.h | |
| parent | x86/percpu: Clean up percpu_add_op() (diff) | |
| download | linux-dev-e4d16defbbde028aeab2026995f0ced4240df6d6.tar.xz linux-dev-e4d16defbbde028aeab2026995f0ced4240df6d6.zip | |
x86/percpu: Remove "e" constraint from XADD
The "e" constraint represents a constant, but the XADD instruction doesn't
accept immediate operands.
Signed-off-by: Brian Gerst <brgerst@gmail.com>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Sedat Dilek <sedat.dilek@gmail.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Dennis Zhou <dennis@kernel.org>
Link: https://lkml.kernel.org/r/20200720204925.3654302-6-ndesaulniers@google.com
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
| -rw-r--r-- | arch/x86/include/asm/percpu.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 2a24f3c795eb..9bb5440d98d3 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -220,7 +220,7 @@ do { \ break; \ case 8: \ asm qual ("xaddq %0, "__percpu_arg(1) \ - : "+re" (paro_ret__), "+m" (var) \ + : "+r" (paro_ret__), "+m" (var) \ : : "memory"); \ break; \ default: __bad_percpu_size(); \ |