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Commit a875a69f authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

[PATCH] lockdep: add per_cpu_offset() 



Add the per_cpu_offset() generic method. (used by the lock validator)

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarArjan van de Ven <arjan@linux.intel.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 8d8fdf5c

include/asm-generic/percpu.h

+2 −0
Original line number Diff line number Diff line
@@ -7,6 +7,8 @@ 


extern unsigned long __per_cpu_offset[NR_CPUS];



#define per_cpu_offset(x) (__per_cpu_offset[x])



/* Separate out the type, so (int[3], foo) works. */

#define DEFINE_PER_CPU(type, name) \

    __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name

include/asm-ia64/percpu.h

+1 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
#ifdef CONFIG_SMP



extern unsigned long __per_cpu_offset[NR_CPUS];

#define per_cpu_offset(x) (__per_cpu_offset(x))



/* Equal to __per_cpu_offset[smp_processor_id()], but faster to access: */

DECLARE_PER_CPU(unsigned long, local_per_cpu_offset);

include/asm-powerpc/percpu.h

+1 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 


#define __per_cpu_offset(cpu) (paca[cpu].data_offset)

#define __my_cpu_offset() get_paca()->data_offset

#define per_cpu_offset(x) (__per_cpu_offset(x))



/* Separate out the type, so (int[3], foo) works. */

#define DEFINE_PER_CPU(type, name) \

include/asm-s390/percpu.h

+1 −0
Original line number Diff line number Diff line
@@ -42,6 +42,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS]; 
#define __get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)

#define __raw_get_cpu_var(var) __reloc_hide(var,S390_lowcore.percpu_offset)

#define per_cpu(var,cpu) __reloc_hide(var,__per_cpu_offset[cpu])

#define per_cpu_offset(x) (__per_cpu_offset[x])



/* A macro to avoid #include hell... */

#define percpu_modcopy(pcpudst, src, size)			\

include/asm-sparc64/percpu.h

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ extern unsigned long __per_cpu_base; 
extern unsigned long __per_cpu_shift;

#define __per_cpu_offset(__cpu) \

	(__per_cpu_base + ((unsigned long)(__cpu) << __per_cpu_shift))

#define per_cpu_offset(x) (__per_cpu_offset(x))



/* Separate out the type, so (int[3], foo) works. */

#define DEFINE_PER_CPU(type, name) \