diff options
Diffstat (limited to 'arch/s390/include/asm/processor.h')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 1c4fe129486d..073e18bc1676 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -203,6 +203,14 @@ unsigned long get_wchan(struct task_struct *p); /* Has task runtime instrumentation enabled ? */ #define is_ri_task(tsk) (!!(tsk)->thread.ri_cb) +static inline unsigned long current_stack_pointer(void) +{ + unsigned long sp; + + asm volatile("la %0,0(15)" : "=a" (sp)); + return sp; +} + static inline unsigned short stap(void) { unsigned short cpu_address; |