diff options
Diffstat (limited to 'include/asm-powerpc/processor.h')
-rw-r--r-- | include/asm-powerpc/processor.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h index a64198fcfd02..57643b5b782f 100644 --- a/include/asm-powerpc/processor.h +++ b/include/asm-powerpc/processor.h @@ -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. */ |