diff options
author | Vasily Gorbik <gor@linux.vnet.ibm.com> | 2017-11-13 18:37:33 +0300 |
---|---|---|
committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-11-14 13:01:51 +0300 |
commit | 11776eaa6568f5357542bf41b0c7bb90854137cc (patch) | |
tree | fd4b0bdbb7ea656c6302743806885c78c73b59d7 /arch/s390/include/asm/lowcore.h | |
parent | 0aaba41b58bc5f3074c0c0a6136b9500b5e29e19 (diff) | |
download | linux-11776eaa6568f5357542bf41b0c7bb90854137cc.tar.xz |
s390: correct some inline assembly constraints
Inline assembly code changed in this patch should really use "Q"
constraint "Memory reference without index register and with short
displacement". The kernel does not compile with kasan support enabled
otherwise (due to stack instrumentation).
Signed-off-by: Vasily Gorbik <gor@linux.vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/lowcore.h')
-rw-r--r-- | arch/s390/include/asm/lowcore.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/s390/include/asm/lowcore.h b/arch/s390/include/asm/lowcore.h index 2306fa17f6cd..ec6592e8ba36 100644 --- a/arch/s390/include/asm/lowcore.h +++ b/arch/s390/include/asm/lowcore.h @@ -188,14 +188,14 @@ extern struct lowcore *lowcore_ptr[]; static inline void set_prefix(__u32 address) { - asm volatile("spx %0" : : "m" (address) : "memory"); + asm volatile("spx %0" : : "Q" (address) : "memory"); } static inline __u32 store_prefix(void) { __u32 address; - asm volatile("stpx %0" : "=m" (address)); + asm volatile("stpx %0" : "=Q" (address)); return address; } |