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Thu, 1 Oct 2026 10:32:54 +0000 (GMT) Received: from tuxmaker.boeblingen.de.ibm.com (unknown [9.87.85.9]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Thu, 1 Oct 2026 10:32:54 +0000 (GMT) From: Heiko Carstens To: Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , Niklas Schnelle , Matthew Rosato , Gerald Schaefer , Vineeth Vijayan , Peter Oberparleiter , Harald Freudenberger , Holger Dengler , Stefan Haberland , Jan Hoeppner , Ilya Leoshkevich , Janosch Frank , Claudio Imbrenda Cc: linux-kernel@vger.kernel.org, linux-s390@vger.kernel.org Subject: [PATCH 24/32] s390/kvm: Convert inline assembly to EX_TABLE_INSN Date: Thu, 1 Oct 2026 12:32:39 +0200 Message-ID: <20261001103247.1989111-25-hca@linux.ibm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261001103247.1989111-1-hca@linux.ibm.com> References: <20261001103247.1989111-1-hca@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDAxMDA0MCBTYWx0ZWRfX3Hq+9dQj0fle yheSBxkgl9fC/xf6IZDGWY5twFwbGK8Q1ScXIDkf/+UIx+ND7+SOtxw99wG1ZTvV//6TRFah0NM a1XAHjaKCBlSrAA6TVo4vCrMNx/EBlU= X-Authority-Analysis: v=2.4 cv=HJ5WhYtv c=1 sm=1 tr=0 ts=6abe36db cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=660iZSQnnn4A:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=VnNF1IyMAAAA:8 a=d0-8ORCbJCeV-nA_9m0A:9 X-Proofpoint-GUID: dFG7GZZjVTTSGZXqbWynuVcuh4_q-HcQ X-Proofpoint-ORIG-GUID: dFG7GZZjVTTSGZXqbWynuVcuh4_q-HcQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDAxMDA0MCBTYWx0ZWRfX59UPnaj8KMfX 9D5qrD2jSMR/sefd2ojSY6TqyKT7TZ72YwHQ4WjiLGBEuLJuDXBtAPrsqDWQlJeWo5S3P65OlNT 3r4cccgurdrhz7vn8cDFBVSAEyVLWZ+adOzMjbluTIIh1KxcpjflmQ5j7dvRvsJMRAth3wcLgcM 7GVX8j5tmOwb66vFfmK8Hv8cVQEH9DGeUvH4iOpiKvn4j29OIRsENsU0S50Nt7j6iJkTbZ/zRKM Vqrq1BqZPTW85VhC22F5sF7JyLiZ6tI2KLpps8QUMbpk4u89b+49FOBGn03LoB1Sw19ivfjHHmT oUp7KvBfO2iaZ8NGF9ip0DmhSbNYjO8mD4tQ53HChXVo4WWeOjgj1BCOIHQ3xBknWLDDxAX6Yhr YKb7SjJtTvFnya7BwI13sZ0QY1sGRUk5E7JSC10dkGLJj+45PRPPyoCtZWDtEay69orHGRK9y94 lkMIrckbDCGPMQP53cA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-01_03,2026-09-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 suspectscore=0 bulkscore=0 clxscore=1015 lowpriorityscore=0 spamscore=0 impostorscore=0 phishscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2610010040 Convert the gaccess mvcos exception table entries to use EX_TABLE_INSN. With EX_TABLE_INSN entries always point to the faulting instruction, so duplicate entries are removed. Signed-off-by: Heiko Carstens --- arch/s390/kvm/s390/gaccess.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/arch/s390/kvm/s390/gaccess.c b/arch/s390/kvm/s390/gaccess.c index 405345ccc4f1..2d27dcb68002 100644 --- a/arch/s390/kvm/s390/gaccess.c +++ b/arch/s390/kvm/s390/gaccess.c @@ -838,12 +838,11 @@ static int mvcos_key(void *to, const void *from, unsigned long size, u8 dst_key, int exception = PGM_PROTECTION; asm_inline volatile( - " lr %%r0,%[spec]\n" - "0: mvcos %[to],%[from],%[size]\n" - "1: lhi %[exc],0\n" - "2:\n" - EX_TABLE(0b, 2b) - EX_TABLE(1b, 2b) + " lr %%r0,%[spec]\n" + "0: mvcos %[to],%[from],%[size]\n" + " lhi %[exc],0\n" + "1:\n" + EX_TABLE_INSN(0b, 1b) : [size] "+d" (size), [to] "=Q" (*(char *)to), [exc] "+d" (exception) : [spec] "d" (spec.val), [from] "Q" (*(const char *)from) : "memory", "cc", "0"); -- 2.53.0