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| 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/processor.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/processor.h')
| -rw-r--r-- | arch/s390/include/asm/processor.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h index 709351bce80e..bfbfad482289 100644 --- a/arch/s390/include/asm/processor.h +++ b/arch/s390/include/asm/processor.h @@ -245,7 +245,7 @@ static inline unsigned short stap(void) { unsigned short cpu_address; - asm volatile("stap %0" : "=m" (cpu_address)); + asm volatile("stap %0" : "=Q" (cpu_address)); return cpu_address; } |