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authorVasily Gorbik <gor@linux.vnet.ibm.com>2017-11-13 16:37:33 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2017-11-14 11:01:51 +0100
commit11776eaa6568f5357542bf41b0c7bb90854137cc (patch)
treefd4b0bdbb7ea656c6302743806885c78c73b59d7 /arch/s390/include/asm/processor.h
parent0aaba41b58bc5f3074c0c0a6136b9500b5e29e19 (diff)
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.h2
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;
}