提交 86b61240 编写于 作者: H H. Peter Anvin 提交者: H. Peter Anvin

x86, asm: Use CC_SET()/CC_OUT() in <asm/bitops.h>

Remove open-coded uses of set instructions to use CC_SET()/CC_OUT() in
<asm/bitops.h>.
Signed-off-by: NH. Peter Anvin <hpa@zytor.com>
Link: http://lkml.kernel.org/r/1465414726-197858-7-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 ba741e35
......@@ -233,8 +233,8 @@ static __always_inline bool __test_and_set_bit(long nr, volatile unsigned long *
bool oldbit;
asm("bts %2,%1\n\t"
"setc %0"
: "=qm" (oldbit), ADDR
CC_SET(c)
: CC_OUT(c) (oldbit), ADDR
: "Ir" (nr));
return oldbit;
}
......@@ -273,8 +273,8 @@ static __always_inline bool __test_and_clear_bit(long nr, volatile unsigned long
bool oldbit;
asm volatile("btr %2,%1\n\t"
"setc %0"
: "=qm" (oldbit), ADDR
CC_SET(c)
: CC_OUT(c) (oldbit), ADDR
: "Ir" (nr));
return oldbit;
}
......@@ -285,8 +285,8 @@ static __always_inline bool __test_and_change_bit(long nr, volatile unsigned lon
bool oldbit;
asm volatile("btc %2,%1\n\t"
"setc %0"
: "=qm" (oldbit), ADDR
CC_SET(c)
: CC_OUT(c) (oldbit), ADDR
: "Ir" (nr) : "memory");
return oldbit;
......@@ -316,8 +316,8 @@ static __always_inline bool variable_test_bit(long nr, volatile const unsigned l
bool oldbit;
asm volatile("bt %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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