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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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17
drivers/s390/s390mach.h
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@ -90,15 +90,16 @@ struct crw {
static inline int stcrw(struct crw *pcrw )
{
int ccode;
int ccode;
__asm__ __volatile__(
"STCRW 0(%1)\n\t"
"IPM %0\n\t"
"SRL %0,28\n\t"
: "=d" (ccode) : "a" (pcrw)
: "cc", "1" );
return ccode;
__asm__ __volatile__(
"stcrw 0(%2)\n\t"
"ipm %0\n\t"
"srl %0,28\n\t"
: "=d" (ccode), "=m" (*pcrw)
: "a" (pcrw)
: "cc" );
return ccode;
}
#endif /* __s390mach */