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[PATCH] powerpc: export validate_sp for oprofile calltrace

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Export validate_sp so we can use it in the oprofile calltrace code.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Anton Blanchard 2006-03-27 11:46:18 +11:00 • committed by Paul Mackerras
commit 2f25194dbe
2 changed files with 7 additions and 1 deletions
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4
include/asm-powerpc/processor.h
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@ -251,6 +251,10 @@ static inline unsigned long __pack_fe01(unsigned int fpmode)
#define cpu_relax() barrier()
#endif
/* Check that a certain kernel stack pointer is valid in task_struct p */
int validate_sp(unsigned long sp, struct task_struct *p,
unsigned long nbytes);
/*
* Prefetch macros.
*/