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Diffstat (limited to 'arch/powerpc/include/asm/bitops.h')
-rw-r--r--arch/powerpc/include/asm/bitops.h56
1 files changed, 30 insertions, 26 deletions
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index 56f2f2ea5631..30964ae2d096 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -65,7 +65,7 @@ static __inline__ void fn(unsigned long mask, \
unsigned long *p = (unsigned long *)_p; \
__asm__ __volatile__ ( \
prefix \
-"1:" PPC_LLARX "%0,0,%3\n" \
+"1:" PPC_LLARX(%0,0,%3,0) "\n" \
stringify_in_c(op) "%0,%0,%2\n" \
PPC405_ERR77(0,%3) \
PPC_STLCX "%0,0,%3\n" \
@@ -78,7 +78,7 @@ static __inline__ void fn(unsigned long mask, \
DEFINE_BITOP(set_bits, or, "", "")
DEFINE_BITOP(clear_bits, andc, "", "")
-DEFINE_BITOP(clear_bits_unlock, andc, LWSYNC_ON_SMP, "")
+DEFINE_BITOP(clear_bits_unlock, andc, PPC_RELEASE_BARRIER, "")
DEFINE_BITOP(change_bits, xor, "", "")
static __inline__ void set_bit(int nr, volatile unsigned long *addr)
@@ -103,31 +103,35 @@ static __inline__ void change_bit(int nr, volatile unsigned long *addr)
/* Like DEFINE_BITOP(), with changes to the arguments to 'op' and the output
* operands. */
-#define DEFINE_TESTOP(fn, op, prefix, postfix) \
-static __inline__ unsigned long fn( \
- unsigned long mask, \
- volatile unsigned long *_p) \
-{ \
- unsigned long old, t; \
- unsigned long *p = (unsigned long *)_p; \
- __asm__ __volatile__ ( \
- prefix \
-"1:" PPC_LLARX "%0,0,%3\n" \
- stringify_in_c(op) "%1,%0,%2\n" \
- PPC405_ERR77(0,%3) \
- PPC_STLCX "%1,0,%3\n" \
- "bne- 1b\n" \
- postfix \
- : "=&r" (old), "=&r" (t) \
- : "r" (mask), "r" (p) \
- : "cc", "memory"); \
- return (old & mask); \
+#define DEFINE_TESTOP(fn, op, prefix, postfix, eh) \
+static __inline__ unsigned long fn( \
+ unsigned long mask, \
+ volatile unsigned long *_p) \
+{ \
+ unsigned long old, t; \
+ unsigned long *p = (unsigned long *)_p; \
+ __asm__ __volatile__ ( \
+ prefix \
+"1:" PPC_LLARX(%0,0,%3,eh) "\n" \
+ stringify_in_c(op) "%1,%0,%2\n" \
+ PPC405_ERR77(0,%3) \
+ PPC_STLCX "%1,0,%3\n" \
+ "bne- 1b\n" \
+ postfix \
+ : "=&r" (old), "=&r" (t) \
+ : "r" (mask), "r" (p) \
+ : "cc", "memory"); \
+ return (old & mask); \
}
-DEFINE_TESTOP(test_and_set_bits, or, LWSYNC_ON_SMP, ISYNC_ON_SMP)
-DEFINE_TESTOP(test_and_set_bits_lock, or, "", ISYNC_ON_SMP)
-DEFINE_TESTOP(test_and_clear_bits, andc, LWSYNC_ON_SMP, ISYNC_ON_SMP)
-DEFINE_TESTOP(test_and_change_bits, xor, LWSYNC_ON_SMP, ISYNC_ON_SMP)
+DEFINE_TESTOP(test_and_set_bits, or, PPC_RELEASE_BARRIER,
+ PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_set_bits_lock, or, "",
+ PPC_ACQUIRE_BARRIER, 1)
+DEFINE_TESTOP(test_and_clear_bits, andc, PPC_RELEASE_BARRIER,
+ PPC_ACQUIRE_BARRIER, 0)
+DEFINE_TESTOP(test_and_change_bits, xor, PPC_RELEASE_BARRIER,
+ PPC_ACQUIRE_BARRIER, 0)
static __inline__ int test_and_set_bit(unsigned long nr,
volatile unsigned long *addr)
@@ -158,7 +162,7 @@ static __inline__ int test_and_change_bit(unsigned long nr,
static __inline__ void __clear_bit_unlock(int nr, volatile unsigned long *addr)
{
- __asm__ __volatile__(LWSYNC_ON_SMP "" ::: "memory");
+ __asm__ __volatile__(PPC_RELEASE_BARRIER "" ::: "memory");
__clear_bit(nr, addr);
}