diff options
Diffstat (limited to 'arch/mips/kernel/syscall.c')
| -rw-r--r-- | arch/mips/kernel/syscall.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 69c17b549fd3..b6dc78ad5d8c 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -101,11 +101,12 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) if (unlikely(addr & 3)) return -EINVAL; - if (unlikely(!access_ok(VERIFY_WRITE, (const void __user *)addr, 4))) + if (unlikely(!access_ok((const void __user *)addr, 4))) return -EINVAL; if (cpu_has_llsc && R10000_LLSC_WAR) { __asm__ __volatile__ ( + " .set push \n" " .set arch=r4000 \n" " li %[err], 0 \n" "1: ll %[old], (%[addr]) \n" @@ -122,7 +123,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) " "STR(PTR)" 1b, 4b \n" " "STR(PTR)" 2b, 4b \n" " .previous \n" - " .set mips0 \n" + " .set pop \n" : [old] "=&r" (old), [err] "=&r" (err), [tmp] "=&r" (tmp) @@ -132,6 +133,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) : "memory"); } else if (cpu_has_llsc) { __asm__ __volatile__ ( + " .set push \n" " .set "MIPS_ISA_ARCH_LEVEL" \n" " li %[err], 0 \n" "1: \n" @@ -150,7 +152,7 @@ static inline int mips_atomic_set(unsigned long addr, unsigned long new) " "STR(PTR)" 1b, 5b \n" " "STR(PTR)" 2b, 5b \n" " .previous \n" - " .set mips0 \n" + " .set pop \n" : [old] "=&r" (old), [err] "=&r" (err), [tmp] "=&r" (tmp) |
