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Commit 5ca7202b authored by Amerigo Wang's avatar Amerigo Wang Committed by David Howells
Browse files

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: default avatarWANG Cong <amwang@redhat.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
parent 5ef9bdde

arch/frv/Kconfig

+0 −1
Original line number Diff line number Diff line
@@ -361,7 +361,6 @@ menu "Power management options" 


config ARCH_SUSPEND_POSSIBLE

	def_bool y

	depends on !SMP



source kernel/power/Kconfig

endmenu

arch/frv/include/asm/system.h

+0 −9
Original line number Diff line number Diff line
@@ -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);

arch/frv/include/asm/thread_info.h

+2 −0
Original line number Diff line number Diff line
@@ -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