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[PATCH] s390: Add missing memory constraint to stcrw()

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Add missing memory constraint to stcrw() inline assembly.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Peter Oberparleiter
2006-02-01 03:06:40 -08:00
committed by Linus Torvalds
parent b1969fa46d
commit 46d0d2c811
1 changed files with 9 additions and 8 deletions
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11
drivers/s390/s390mach.h
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@@ -93,11 +93,12 @@ static inline int stcrw(struct crw *pcrw )
int ccode; int ccode;
__asm__ __volatile__( __asm__ __volatile__(
"STCRW 0(%1)\n\t" "stcrw 0(%2)\n\t"
"IPM %0\n\t" "ipm %0\n\t"
"SRL %0,28\n\t" "srl %0,28\n\t"
: "=d" (ccode) : "a" (pcrw) : "=d" (ccode), "=m" (*pcrw)
: "cc", "1" ); : "a" (pcrw)
: "cc" );
return ccode; return ccode;
} }