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authorBrian Gerst <brgerst@gmail.com>2020-07-20 23:49:19 +0300
committerThomas Gleixner <tglx@linutronix.de>2020-07-23 12:46:40 +0300
commite4d16defbbde028aeab2026995f0ced4240df6d6 (patch)
tree90ef9e707a5a71b97c8aa635d8b94da9dae5eb2a /arch/x86/include/asm/percpu.h
parent33e5614a435ff8047d768e6501454ae1cc7f131f (diff)
downloadlinux-e4d16defbbde028aeab2026995f0ced4240df6d6.tar.xz
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.h2
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(); \