From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from camel.birch.relay.mailchannels.net (camel.birch.relay.mailchannels.net [23.83.209.29]) by sourceware.org (Postfix) with ESMTPS id 823D93959E42 for ; Tue, 9 Mar 2021 18:23:06 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 823D93959E42 X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from relay.mailchannels.net (localhost [127.0.0.1]) by relay.mailchannels.net (Postfix) with ESMTP id D81B2101363; Tue, 9 Mar 2021 18:13:20 +0000 (UTC) Received: from pdx1-sub0-mail-a30.g.dreamhost.com (100-105-161-82.trex.outbound.svc.cluster.local [100.105.161.82]) (Authenticated sender: dreamhost) by relay.mailchannels.net (Postfix) with ESMTPA id 9CA95101AE4; Tue, 9 Mar 2021 18:13:19 +0000 (UTC) X-Sender-Id: dreamhost|x-authsender|siddhesh@gotplt.org Received: from pdx1-sub0-mail-a30.g.dreamhost.com (pop.dreamhost.com [64.90.62.162]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384) by 100.105.161.82 (trex/6.0.2); Tue, 09 Mar 2021 18:13:20 +0000 X-MC-Relay: Neutral X-MailChannels-SenderId: dreamhost|x-authsender|siddhesh@gotplt.org X-MailChannels-Auth-Id: dreamhost X-Reign-Harbor: 51a5015a764e122d_1615313600332_1339522100 X-MC-Loop-Signature: 1615313600332:4183680219 X-MC-Ingress-Time: 1615313600332 Received: from pdx1-sub0-mail-a30.g.dreamhost.com (localhost [127.0.0.1]) by pdx1-sub0-mail-a30.g.dreamhost.com (Postfix) with ESMTP id A5CEA7F04F; Tue, 9 Mar 2021 10:13:15 -0800 (PST) Received: from rhbox.redhat.com (unknown [1.186.101.110]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: siddhesh@gotplt.org) by pdx1-sub0-mail-a30.g.dreamhost.com (Postfix) with ESMTPSA id 00F6D7E694; Tue, 9 Mar 2021 10:13:12 -0800 (PST) X-DH-BACKEND: pdx1-sub0-mail-a30 From: Siddhesh Poyarekar To: libc-alpha@sourceware.org Subject: [PATCH 1/3] Build get-cpuid-feature-leaf.c without stack-protector Date: Tue, 9 Mar 2021 23:42:57 +0530 Message-Id: <20210309181259.2603144-2-siddhesh@sourceware.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210309181259.2603144-1-siddhesh@sourceware.org> References: <20210309181259.2603144-1-siddhesh@sourceware.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-3495.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, JMQ_SPF_NEUTRAL, KAM_DMARC_NONE, KAM_DMARC_STATUS, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_NEUTRAL, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Mar 2021 18:23:08 -0000 __x86_get_cpuid_feature_leaf is called during early startup, before the stack check guard is initialized and is hence not safe to build with -fstack-protector. --- sysdeps/x86/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sysdeps/x86/Makefile b/sysdeps/x86/Makefile index e1f9379fd8..ca3ef886c1 100644 --- a/sysdeps/x86/Makefile +++ b/sysdeps/x86/Makefile @@ -7,6 +7,8 @@ sysdep_routines +=3D get-cpuid-feature-leaf sysdep-dl-routines +=3D dl-get-cpu-features sysdep_headers +=3D sys/platform/x86.h =20 +CFLAGS-get-cpuid-feature-leaf.c +=3D $(no-stack-protector) + tests +=3D tst-get-cpu-features tst-get-cpu-features-static \ tst-cpu-features-cpuinfo tst-cpu-features-cpuinfo-static \ tst-cpu-features-supports tst-cpu-features-supports-static --=20 2.29.2