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| author | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
|---|---|---|
| committer | David Woodhouse <dwmw2@infradead.org> | 2007-01-18 10:34:51 +1100 |
| commit | 9cdf083f981b8d37b3212400a359368661385099 (patch) | |
| tree | aa15a6a08ad87e650dea40fb59b3180bef0d345b /include/asm-s390/lowcore.h | |
| parent | e499e01d234a31d59679b7b1e1cf628d917ba49a (diff) | |
| parent | a8b3485287731978899ced11f24628c927890e78 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 |