diff options
Diffstat (limited to 'include/asm-s390/lowcore.h')
| -rw-r--r-- | include/asm-s390/lowcore.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/asm-s390/lowcore.h b/include/asm-s390/lowcore.h index 06583ed0bde..74f7389bd3e 100644 --- a/include/asm-s390/lowcore.h +++ b/include/asm-s390/lowcore.h @@ -362,6 +362,14 @@ static inline void set_prefix(__u32 address) asm volatile("spx %0" : : "m" (address) : "memory"); } +static inline __u32 store_prefix(void) +{ + __u32 address; + + asm volatile("stpx %0" : "=m" (address)); + return address; +} + #define __PANIC_MAGIC 0xDEADC0DE #endif |