From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Borntraeger Subject: [GIT PULL 1/3] s390/cpacf: query instructions use unique parameters for compatibility with KMA Date: Wed, 26 Apr 2017 14:38:13 +0200 Message-ID: <1493210295-58687-2-git-send-email-borntraeger@de.ibm.com> References: <1493210295-58687-1-git-send-email-borntraeger@de.ibm.com> Return-path: In-Reply-To: <1493210295-58687-1-git-send-email-borntraeger@de.ibm.com> Sender: kvm-owner@vger.kernel.org List-Archive: List-Post: To: Paolo Bonzini , =?UTF-8?q?Radim=20Kr=C4=8Dm=C3=A1=C5=99?= , Martin Schwidefsky Cc: KVM , Christian Borntraeger , Cornelia Huck , linux-s390 , Heiko Carstens , "Jason J. Herne" List-ID: From: "Jason J. Herne" The new KMA instruction requires unique parameters. Update __cpacf_query to generate a compatible assembler instruction. Signed-off-by: Jason J. Herne Acked-by: Harald Freudenberger Signed-off-by: Christian Borntraeger --- arch/s390/include/asm/cpacf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h index e2dfbf2..175a5d7 100644 --- a/arch/s390/include/asm/cpacf.h +++ b/arch/s390/include/asm/cpacf.h @@ -149,8 +149,8 @@ static inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask) asm volatile( " spm 0\n" /* pckmo doesn't change the cc */ - /* Parameter registers are ignored, but may not be 0 */ - "0: .insn rrf,%[opc] << 16,2,2,2,0\n" + /* Parameter regs are ignored, but must be nonzero and unique */ + "0: .insn rrf,%[opc] << 16,2,4,6,0\n" " brc 1,0b\n" /* handle partial completion */ : "=m" (*mask) : [fc] "d" (r0), [pba] "a" (r1), [opc] "i" (opcode) -- 2.7.4