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| author | Amerigo Wang <amwang@redhat.com> | 2011-03-29 14:05:12 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2011-03-29 14:05:12 +0100 |
| commit | 5ca7202bc4db3e2fd5653c52a608601c7a64a2ac (patch) | |
| tree | d252f9bbb5d026912ff7a6591b7815334da9990c /arch | |
| parent | 5ef9bdde9cd8e7f9d43a975b47f520ca64cbd0a1 (diff) | |
| download | blackbird-op-linux-5ca7202bc4db3e2fd5653c52a608601c7a64a2ac.tar.gz blackbird-op-linux-5ca7202bc4db3e2fd5653c52a608601c7a64a2ac.zip | |
FRV: Do some cleanups
1. frv doesn't support SMP, remove the useless SMP bits.
2. frv has its own alloc_task_struct, so define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR
(I am not sure if frv should use generic alloc_task_struct().)
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/frv/Kconfig | 1 | ||||
| -rw-r--r-- | arch/frv/include/asm/system.h | 9 | ||||
| -rw-r--r-- | arch/frv/include/asm/thread_info.h | 2 |
3 files changed, 2 insertions, 10 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index f6037b2da25e..968a33027831 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -361,7 +361,6 @@ menu "Power management options" config ARCH_SUSPEND_POSSIBLE def_bool y - depends on !SMP source kernel/power/Kconfig endmenu diff --git a/arch/frv/include/asm/system.h b/arch/frv/include/asm/system.h index 0a6d8d9ca45b..6c10fd2c626d 100644 --- a/arch/frv/include/asm/system.h +++ b/arch/frv/include/asm/system.h @@ -45,21 +45,12 @@ do { \ #define wmb() asm volatile ("membar" : : :"memory") #define read_barrier_depends() do { } while (0) -#ifdef CONFIG_SMP -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() -#define smp_read_barrier_depends() read_barrier_depends() -#define set_mb(var, value) \ - do { xchg(&var, (value)); } while (0) -#else #define smp_mb() barrier() #define smp_rmb() barrier() #define smp_wmb() barrier() #define smp_read_barrier_depends() do {} while(0) #define set_mb(var, value) \ do { var = (value); barrier(); } while (0) -#endif extern void die_if_kernel(const char *, ...) __attribute__((format(printf, 1, 2))); extern void free_initmem(void); diff --git a/arch/frv/include/asm/thread_info.h b/arch/frv/include/asm/thread_info.h index 08179f310f20..cefbe73dc119 100644 --- a/arch/frv/include/asm/thread_info.h +++ b/arch/frv/include/asm/thread_info.h @@ -21,6 +21,8 @@ #define THREAD_SIZE 8192 +#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR + /* * low level task data that entry.S needs immediate access to * - this struct should fit entirely inside of one cache line |
