提交 64be6d36 编写于 作者: H H. Peter Anvin 提交者: H. Peter Anvin

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: NH. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1465414726-197858-8-git-send-email-hpa@linux.intel.comReviewed-by: NAndy Lutomirski <luto@kernel.org>
Reviewed-by: NBorislav Petkov <bp@suse.de>
Acked-by: NPeter Zijlstra (Intel) <peterz@infradead.org>
上级 86b61240
......@@ -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;
......
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