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| author |   H. Peter Anvin <hpa@zytor.com> | 2016-06-08 12:38:43 -0700 |
|---|---|---|
| committer |   H. Peter Anvin <hpa@linux.intel.com> | 2016-06-08 12:41:20 -0700 |
| commit | 64be6d36f5674f3424d1901772f76e21874f4954 (patch) | |
| tree | c339aa9602e675b429dfadd773ac730228584758 /arch/x86/include/asm/percpu.h | |
| parent | x86, asm: Use CC_SET()/CC_OUT() in <asm/bitops.h> (diff) | |
| download | linux-dev-64be6d36f5674f3424d1901772f76e21874f4954.tar.xz linux-dev-64be6d36f5674f3424d1901772f76e21874f4954.zip | |
x86, asm: Use CC_SET()/CC_OUT() in <asm/percpu.h>
Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/percpu.h>.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1465414726-197858-8-git-send-email-hpa@linux.intel.com
Reviewed-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Diffstat (limited to 'arch/x86/include/asm/percpu.h')
| -rw-r--r-- | arch/x86/include/asm/percpu.h | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/include/asm/percpu.h b/arch/x86/include/asm/percpu.h index 184d7f3ecb9f..e02e3f80d363 100644 --- a/arch/x86/include/asm/percpu.h +++ b/arch/x86/include/asm/percpu.h @@ -511,8 +511,9 @@ do { \ #define x86_test_and_clear_bit_percpu(bit, var) \ ({ \ bool old__; \ - asm volatile("btr %2,"__percpu_arg(1)"\n\tsetc %0" \ - : "=qm" (old__), "+m" (var) \ + asm volatile("btr %2,"__percpu_arg(1)"\n\t" \ + CC_SET(c) \ + : CC_OUT(c) (old__), "+m" (var) \ : "dIr" (bit)); \ old__; \ }) @@ -535,8 +536,8 @@ static inline bool x86_this_cpu_variable_test_bit(int nr, bool oldbit; asm volatile("bt "__percpu_arg(2)",%1\n\t" - "setc %0" - : "=qm" (oldbit) + CC_SET(c) + : CC_OUT(c) (oldbit) : "m" (*(unsigned long *)addr), "Ir" (nr)); return oldbit; |