From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 07925C04AB3 for ; Mon, 27 May 2019 11:44:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C98702147A for ; Mon, 27 May 2019 11:44:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726175AbfE0Loi (ORCPT ); Mon, 27 May 2019 07:44:38 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:49736 "EHLO mx0a-001b2d01.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725991AbfE0Loi (ORCPT ); Mon, 27 May 2019 07:44:38 -0400 Received: from pps.filterd (m0098416.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x4RBgOOi021211 for ; Mon, 27 May 2019 07:44:36 -0400 Received: from e06smtp02.uk.ibm.com (e06smtp02.uk.ibm.com [195.75.94.98]) by mx0b-001b2d01.pphosted.com with ESMTP id 2srf6p092p-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Mon, 27 May 2019 07:44:36 -0400 Received: from localhost by e06smtp02.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Mon, 27 May 2019 12:44:32 +0100 Received: from d06av25.portsmouth.uk.ibm.com (d06av25.portsmouth.uk.ibm.com [9.149.105.61]) by b06cxnps3075.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x4RBiVH256230120 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 27 May 2019 11:44:31 GMT Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id A0AD411C04C; Mon, 27 May 2019 11:44:31 +0000 (GMT) Received: from d06av25.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 56CC211C050; Mon, 27 May 2019 11:44:31 +0000 (GMT) Received: from oc7455500831.ibm.com (unknown [9.152.224.41]) by d06av25.portsmouth.uk.ibm.com (Postfix) with ESMTP; Mon, 27 May 2019 11:44:31 +0000 (GMT) Subject: Re: [PATCH] KVM: selftests: enable pgste option for the linker on s390 To: Janosch Frank Cc: KVM , Cornelia Huck , David Hildenbrand , Paolo Bonzini , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Shuah Khan , Andrew Jones , linux-kselftest@vger.kernel.org, linux-s390 References: <20190523164309.13345-1-thuth@redhat.com> <20190524103301.87017-1-borntraeger@de.ibm.com> From: Christian Borntraeger Openpgp: preference=signencrypt Autocrypt: addr=borntraeger@de.ibm.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190524103301.87017-1-borntraeger@de.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 x-cbid: 19052711-0008-0000-0000-000002EADF63 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19052711-0009-0000-0000-00002257A823 Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-05-27_07:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=809 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1905270084 Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On 24.05.19 12:33, Christian Borntraeger wrote: > To avoid testcase failures we need to enable the pgstes. This can be > done with /proc/sys/vm/allocate_pgste or with a linker option that > creates an S390_PGSTE program header. > > Signed-off-by: Christian Borntraeger > --- > tools/testing/selftests/kvm/Makefile | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile > index aef5bd1166cf..4aac14c1919f 100644 > --- a/tools/testing/selftests/kvm/Makefile > +++ b/tools/testing/selftests/kvm/Makefile > @@ -44,7 +44,10 @@ CFLAGS += -O2 -g -std=gnu99 -fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE > no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \ > $(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie) > > -LDFLAGS += -pthread $(no-pie-option) > +# On s390, build the testcases KVM-enabled > +pgste-option := $(call cc-ldoption, -Wl$(comma)--s390-pgste) > + > +LDFLAGS += -pthread $(no-pie-option) $(pgste-option) > > # After inclusion, $(OUTPUT) is defined and > # $(TEST_GEN_PROGS) starts with $(OUTPUT)/ > After commit commit 055efab3120bae7ab1ed841317774f3c953f6e1b (kbuild: drop support for cc-ldoption) I had to change that in the following way. diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index 2a73b58fd9e0..a798ea54a434 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -48,7 +48,7 @@ no-pie-option := $(call try-run, echo 'int main() { return 0; }' | \ $(CC) -Werror $(KBUILD_CPPFLAGS) $(CC_OPTION_CFLAGS) -no-pie -x c - -o "$$TMP", -no-pie) # On s390, build the testcases KVM-enabled -pgste-option := $(call cc-ldoption, -Wl$(comma)--s390-pgste) +pgste-option := $(call cc-option,-Wl$(comma)--s390-pgste) LDFLAGS += -pthread $(no-pie-option) $(pgste-option) With that pushed out to kvms390/next.