Messages in this thread Patch in this message | | | Date | Mon, 29 Nov 2010 03:21:28 -0500 | From | Amerigo Wang <> | Subject | [Patch] frv: do some cleanups |
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1. frv doesn't support SMP, remove the unless 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> --- diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index f6bcb03..ab0a983 100644 --- a/arch/frv/Kconfig +++ b/arch/frv/Kconfig @@ -364,7 +364,6 @@ 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 0a6d8d9..6c10fd2 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 11f33ea..d5c1a0a 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
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