diff options
| author | Linus Torvalds <torvalds@home.transmeta.com> | 2002-10-18 05:02:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@home.transmeta.com> | 2002-10-18 05:02:58 -0700 |
| commit | ddd11110cd47756eeaad995b0d3f72bda22b8730 (patch) | |
| tree | ddef81af24b02c742444f776c21d2e7bc3d8f9aa /include/asm-arm | |
| parent | c192e51982cdfcb7447525baca549a81610674f3 (diff) | |
| parent | a0b6c9c162399a995832205f9c781148b5a6e0c7 (diff) | |
Merge
Diffstat (limited to 'include/asm-arm')
| -rw-r--r-- | include/asm-arm/system.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-arm/system.h b/include/asm-arm/system.h index c5ac7af87347..8b1d2dfbbb3e 100644 --- a/include/asm-arm/system.h +++ b/include/asm-arm/system.h @@ -52,6 +52,7 @@ extern asmlinkage void __backtrace(void); #define mb() __asm__ __volatile__ ("" : : : "memory") #define rmb() mb() #define wmb() mb() +#define read_barrier_depends() do { } while(0) #define set_mb(var, value) do { var = value; mb(); } while (0) #define set_wmb(var, value) do { var = value; wmb(); } while (0) #define nop() __asm__ __volatile__("mov\tr0,r0\t@ nop\n\t"); @@ -78,12 +79,14 @@ extern struct task_struct *__switch_to(struct thread_info *, struct thread_info #define smp_mb() mb() #define smp_rmb() rmb() #define smp_wmb() wmb() +#define smp_read_barrier_depends() read_barrier_depends() #else #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() +#define smp_read_barrier_depends() do { } while(0) #define clf() __clf() #define stf() __stf() |