Commit-ID: 86b61240d4c233b440cd29daf0baa440daf4a148
Gitweb: http://git.kernel.org/tip/86b61240d4c233b440cd29daf0baa440daf4a148
Author: H. Peter Anvin <hpa@xxxxxxxxx>
AuthorDate: Wed, 8 Jun 2016 12:38:42 -0700
Committer: H. Peter Anvin <hpa@xxxxxxxxxxxxxxx>
CommitDate: Wed, 8 Jun 2016 12:41:20 -0700
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: H. Peter Anvin <hpa@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1465414726-197858-7-git-send-email-hpa@xxxxxxxxxxxxxxx
Reviewed-by: Andy Lutomirski <luto@xxxxxxxxxx>
Reviewed-by: Borislav Petkov <bp@xxxxxxx>
Acked-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
---
arch/x86/include/asm/bitops.h | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/arch/x86/include/asm/bitops.h b/arch/x86/include/asm/bitops.h
index ed8f485..68557f52 100644
--- a/arch/x86/include/asm/bitops.h
+++ b/arch/x86/include/asm/bitops.h
@@ -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;
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|