Commit d0350268 authored Dec 13, 2016 by Heiko Carstens Committed by Martin Schwidefsky Dec 14, 2016

s390/zcrypt: add missing memory clobber to ap_qci inline assembly



The ap_qci() inline assembly writes to memory (*config) but misses to
tell the compiler about it. Add the missing memory clobber to fix
this.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent f1c7ea26

drivers/s390/crypto/ap_asm.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -108,7 +108,7 @@ static inline int ap_qci(void *config)
		EX_TABLE(0b, 1b)
		: "+d" (reg0), "+d" (reg1), "+d" (reg2)
		:
		: "cc");
		: "cc", "memory");

		return reg1;
		}