From 5ca7202bc4db3e2fd5653c52a608601c7a64a2ac Mon Sep 17 00:00:00 2001 From: Amerigo Wang Date: Tue, 29 Mar 2011 14:05:12 +0100 Subject: 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 Signed-off-by: David Howells --- arch/frv/Kconfig | 1 - arch/frv/include/asm/system.h | 9 --------- arch/frv/include/asm/thread_info.h | 2 ++ 3 files changed, 2 insertions(+), 10 deletions(-) (limited to 'arch/frv') diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig index f6037b2da25..968a3302783 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 0a6d8d9ca45..6c10fd2c626 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 08179f310f2..cefbe73dc11 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 -- cgit v1.2.3