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[PATCH] i386/x86-64: Use input/output dependencies for bitops

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Noticed by Andreas Schwab

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen
2006-01-11 22:42:32 +01:00
committed by Linus Torvalds
parent 636aab5ce3
commit 92934bcbf9
2 changed files with 24 additions and 24 deletions
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24
include/asm-i386/bitops.h
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@@ -43,7 +43,7 @@ static inline void set_bit(int nr, volatile unsigned long * addr)
{
__asm__ __volatile__( LOCK_PREFIX
"btsl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
@@ -60,7 +60,7 @@ static inline void __set_bit(int nr, volatile unsigned long * addr)
{
__asm__(
"btsl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
@@ -78,7 +78,7 @@ static inline void clear_bit(int nr, volatile unsigned long * addr)
{
__asm__ __volatile__( LOCK_PREFIX
"btrl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
@@ -86,7 +86,7 @@ static inline void __clear_bit(int nr, volatile unsigned long * addr)
{
__asm__ __volatile__(
"btrl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
#define smp_mb__before_clear_bit() barrier()
@@ -105,7 +105,7 @@ static inline void __change_bit(int nr, volatile unsigned long * addr)
{
__asm__ __volatile__(
"btcl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
@@ -123,7 +123,7 @@ static inline void change_bit(int nr, volatile unsigned long * addr)
{
__asm__ __volatile__( LOCK_PREFIX
"btcl %1,%0"
:"=m" (ADDR)
:"+m" (ADDR)
:"Ir" (nr));
}
@@ -142,7 +142,7 @@ static inline int test_and_set_bit(int nr, volatile unsigned long * addr)
__asm__ __volatile__( LOCK_PREFIX
"btsl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr) : "memory");
return oldbit;
}
@@ -162,7 +162,7 @@ static inline int __test_and_set_bit(int nr, volatile unsigned long * addr)
__asm__(
"btsl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr));
return oldbit;
}
@@ -182,7 +182,7 @@ static inline int test_and_clear_bit(int nr, volatile unsigned long * addr)
__asm__ __volatile__( LOCK_PREFIX
"btrl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr) : "memory");
return oldbit;
}
@@ -202,7 +202,7 @@ static inline int __test_and_clear_bit(int nr, volatile unsigned long *addr)
__asm__(
"btrl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr));
return oldbit;
}
@@ -214,7 +214,7 @@ static inline int __test_and_change_bit(int nr, volatile unsigned long *addr)
__asm__ __volatile__(
"btcl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr) : "memory");
return oldbit;
}
@@ -233,7 +233,7 @@ static inline int test_and_change_bit(int nr, volatile unsigned long* addr)
__asm__ __volatile__( LOCK_PREFIX
"btcl %2,%1\n\tsbbl %0,%0"
:"=r" (oldbit),"=m" (ADDR)
:"=r" (oldbit),"+m" (ADDR)
:"Ir" (nr) : "memory");
return oldbit;
}