Messages in this thread Patch in this message | | | Date | Mon, 23 Jan 2006 13:03:03 +0100 | From | Heiko Carstens <> | Subject | [PATCH 4/4] s390: Add missing memory constraint to stcrw(). |
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From: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
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> ---
drivers/s390/s390mach.h | 17 +++++++++-------- 1 files changed, 9 insertions(+), 8 deletions(-)
diff -urpN linux-2.6/drivers/s390/s390mach.h linux-2.6-patched/drivers/s390/s390mach.h --- linux-2.6/drivers/s390/s390mach.h 2006-01-03 04:21:10.000000000 +0100 +++ linux-2.6-patched/drivers/s390/s390mach.h 2006-01-23 10:05:33.000000000 +0100 @@ -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 */ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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