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Diffstat (limited to 'arch/mips/include/asm/bitops.h')
-rw-r--r--arch/mips/include/asm/bitops.h47
1 files changed, 30 insertions, 17 deletions
diff --git a/arch/mips/include/asm/bitops.h b/arch/mips/include/asm/bitops.h
index 9a466dde9b96..985d6a02f9ea 100644
--- a/arch/mips/include/asm/bitops.h
+++ b/arch/mips/include/asm/bitops.h
@@ -66,7 +66,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
" beqzl %0, 1b \n"
" .set pop \n"
: "=&r" (temp), "=" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (1UL << bit), GCC_OFF_SMALL_ASM() (*m));
+ : "ir" (1UL << bit), GCC_OFF_SMALL_ASM() (*m)
+ : __LLSC_CLOBBER);
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
} else if (kernel_uses_llsc && __builtin_constant_p(bit)) {
loongson_llsc_mb();
@@ -76,7 +77,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
" " __INS "%0, %3, %2, 1 \n"
" " __SC "%0, %1 \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (bit), "r" (~0));
+ : "ir" (bit), "r" (~0)
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
} else if (kernel_uses_llsc) {
@@ -90,7 +92,8 @@ static inline void set_bit(unsigned long nr, volatile unsigned long *addr)
" " __SC "%0, %1 \n"
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (1UL << bit));
+ : "ir" (1UL << bit)
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
} else
__mips_set_bit(nr, addr);
@@ -122,7 +125,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
" beqzl %0, 1b \n"
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (~(1UL << bit)));
+ : "ir" (~(1UL << bit))
+ : __LLSC_CLOBBER);
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
} else if (kernel_uses_llsc && __builtin_constant_p(bit)) {
loongson_llsc_mb();
@@ -132,7 +136,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
" " __INS "%0, $0, %2, 1 \n"
" " __SC "%0, %1 \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (bit));
+ : "ir" (bit)
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
#endif /* CONFIG_CPU_MIPSR2 || CONFIG_CPU_MIPSR6 */
} else if (kernel_uses_llsc) {
@@ -146,7 +151,8 @@ static inline void clear_bit(unsigned long nr, volatile unsigned long *addr)
" " __SC "%0, %1 \n"
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (~(1UL << bit)));
+ : "ir" (~(1UL << bit))
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
} else
__mips_clear_bit(nr, addr);
@@ -192,7 +198,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
" beqzl %0, 1b \n"
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (1UL << bit));
+ : "ir" (1UL << bit)
+ : __LLSC_CLOBBER);
} else if (kernel_uses_llsc) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
@@ -207,7 +214,8 @@ static inline void change_bit(unsigned long nr, volatile unsigned long *addr)
" " __SC "%0, %1 \n"
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m)
- : "ir" (1UL << bit));
+ : "ir" (1UL << bit)
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
} else
__mips_change_bit(nr, addr);
@@ -244,11 +252,12 @@ static inline int test_and_set_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} else if (kernel_uses_llsc) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
+ loongson_llsc_mb();
do {
__asm__ __volatile__(
" .set push \n"
@@ -259,7 +268,7 @@ static inline int test_and_set_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} while (unlikely(!res));
res = temp & (1UL << bit);
@@ -300,11 +309,12 @@ static inline int test_and_set_bit_lock(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+m" (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} else if (kernel_uses_llsc) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
+ loongson_llsc_mb();
do {
__asm__ __volatile__(
" .set push \n"
@@ -315,7 +325,7 @@ static inline int test_and_set_bit_lock(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} while (unlikely(!res));
res = temp & (1UL << bit);
@@ -358,12 +368,13 @@ static inline int test_and_clear_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
#if defined(CONFIG_CPU_MIPSR2) || defined(CONFIG_CPU_MIPSR6)
} else if (kernel_uses_llsc && __builtin_constant_p(nr)) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
+ loongson_llsc_mb();
do {
__asm__ __volatile__(
" " __LL "%0, %1 # test_and_clear_bit \n"
@@ -372,13 +383,14 @@ static inline int test_and_clear_bit(unsigned long nr,
" " __SC "%0, %1 \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "ir" (bit)
- : "memory");
+ : __LLSC_CLOBBER);
} while (unlikely(!temp));
#endif
} else if (kernel_uses_llsc) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
+ loongson_llsc_mb();
do {
__asm__ __volatile__(
" .set push \n"
@@ -390,7 +402,7 @@ static inline int test_and_clear_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} while (unlikely(!res));
res = temp & (1UL << bit);
@@ -433,11 +445,12 @@ static inline int test_and_change_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} else if (kernel_uses_llsc) {
unsigned long *m = ((unsigned long *) addr) + (nr >> SZLONG_LOG);
unsigned long temp;
+ loongson_llsc_mb();
do {
__asm__ __volatile__(
" .set push \n"
@@ -448,7 +461,7 @@ static inline int test_and_change_bit(unsigned long nr,
" .set pop \n"
: "=&r" (temp), "+" GCC_OFF_SMALL_ASM() (*m), "=&r" (res)
: "r" (1UL << bit)
- : "memory");
+ : __LLSC_CLOBBER);
} while (unlikely(!res));
res = temp & (1UL << bit);
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