From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-001b2d01.pphosted.com (mx0b-001b2d01.pphosted.com [148.163.158.5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 060187C for ; Mon, 28 Mar 2022 21:44:42 +0000 (UTC) Received: from pps.filterd (m0098419.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 22SIoBSJ022626; Mon, 28 Mar 2022 21:44:34 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ibm.com; h=date : from : to : cc : subject : message-id : references : content-type : in-reply-to : mime-version; s=pp1; bh=NnyKKtxu4F/uRqTniTyXZXQEPsrsBOiKJquWbfplKjU=; b=UgJPFOZOqqrh5V3eC37/2lYWrF20vzq8imS+3r8KNdMzDCAtnxpZ4mLyclvc1dE+qTS/ u4F0g6S2V/g688teMV4y3IUrrbv8Epfdj/Mz9K8OfQ1zvBMKIAfZQYnVjdgH5j3dMgMx hnqdK8yp6bbC70ouEdejO56PIZaSGGazw5UHk9dShfLOZtCfb2xZHzNNKkBecheCB1TY PF1YzQqPjdnGyDz6+mxb8Dtt0mKb3TIYvKzQSnzNu9P0JdPoR8afG5x2gcNG/G73Su0J 90YGP6Zyd8oehcCjiMyCwrpkv8X2/G/MEyeN0KMoFjJlN4AurX2m3eLzIcB0s3DVTdOQ Fw== Received: from ppma05fra.de.ibm.com (6c.4a.5195.ip4.static.sl-reverse.com [149.81.74.108]) by mx0b-001b2d01.pphosted.com with ESMTP id 3f3j6pumfn-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Mar 2022 21:44:33 +0000 Received: from pps.filterd (ppma05fra.de.ibm.com [127.0.0.1]) by ppma05fra.de.ibm.com (8.16.1.2/8.16.1.2) with SMTP id 22SLhVBJ027436; Mon, 28 Mar 2022 21:44:32 GMT Received: from b06cxnps3074.portsmouth.uk.ibm.com (d06relay09.portsmouth.uk.ibm.com [9.149.109.194]) by ppma05fra.de.ibm.com with ESMTP id 3f1tf8v1q7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Mar 2022 21:44:32 +0000 Received: from d06av23.portsmouth.uk.ibm.com (d06av23.portsmouth.uk.ibm.com [9.149.105.59]) by b06cxnps3074.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 22SLiS6q32965062 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 28 Mar 2022 21:44:28 GMT Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 9BA02A4051; Mon, 28 Mar 2022 21:44:28 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 473E8A404D; Mon, 28 Mar 2022 21:44:28 +0000 (GMT) Received: from localhost (unknown [9.171.75.40]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 28 Mar 2022 21:44:28 +0000 (GMT) Date: Mon, 28 Mar 2022 23:44:26 +0200 From: Vasily Gorbik To: Nathan Chancellor Cc: Heiko Carstens , Alexander Gordeev , linux-s390@vger.kernel.org, linux-next@vger.kernel.org, llvm@lists.linux.dev Subject: Re: s390 defconfig fails to build after 4afeb670710efa5cd5ed8b1d9f2d22d6ce332bcc Message-ID: References: Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 53qM4UR7Q3VuN8sDrnYgv1aTgYu-X5lx X-Proofpoint-ORIG-GUID: 53qM4UR7Q3VuN8sDrnYgv1aTgYu-X5lx X-Proofpoint-UnRewURL: 0 URL was un-rewritten Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.850,Hydra:6.0.425,FMLib:17.11.64.514 definitions=2022-03-28_10,2022-03-28_01,2022-02-23_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 mlxlogscore=756 mlxscore=0 malwarescore=0 clxscore=1011 adultscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 impostorscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2202240000 definitions=main-2203280116 On Mon, Mar 28, 2022 at 11:34:21AM -0700, Nathan Chancellor wrote: > Hi all, > > Apologies if this has been reported or fixed already, I did not see a > report when searching lore.kernel.org and it is reproducible as of > commit 7dcfe50f58d2 ("s390/pci: rename get_zdev_by_bus() to > zdev_from_bus()") in s390/linux.git. > > Our continuous integration noticed a build failure on next-20220328 in > arch/s390/kernel/entry.S, which does not appear to be compiler specific, > as I can reproduce this with GCC easily: > > https://builds.tuxbuild.com/2716QwFVG9408TJ43vkEc7trVCI/build.log > > $ make -skj"$(nproc)" ARCH=s390 CROSS_COMPILE=s390x-linux-gnu- defconfig arch/s390/kernel/entry.o > arch/s390/kernel/entry.S: Assembler messages: > arch/s390/kernel/entry.S:335: Error: Unrecognized opcode: `jgnop' > arch/s390/kernel/entry.S:493: Error: Unrecognized opcode: `jgnop' > arch/s390/kernel/entry.S:494: Error: Unrecognized opcode: `jgnop' Thank you for reporting this! jgnop mnemonic has been introduced with binutils commit b10b530a4566 ("IBM Z: Add support for HLASM extended mnemonics") and is part of binutils-2_36 and newer. I fixed it by using old "brcl 0,0" alternative here: https://git.kernel.org/pub/scm/linux/kernel/git/s390/linux.git/commit/?h=features&id=faf79934e65aff90284725518a5ec3c2241c65ae