From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [216.205.24.124]) by sourceware.org (Postfix) with ESMTP id D30393858D29 for ; Mon, 22 Mar 2021 18:32:21 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org D30393858D29 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-479-eeUGsKviPeWYjwbb9kL--g-1; Mon, 22 Mar 2021 14:32:19 -0400 X-MC-Unique: eeUGsKviPeWYjwbb9kL--g-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 532B1108BD09; Mon, 22 Mar 2021 18:32:18 +0000 (UTC) Received: from rhel8.vm.delorie.com (ovpn-112-40.rdu2.redhat.com [10.10.112.40]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 178055B6AB; Mon, 22 Mar 2021 18:32:17 +0000 (UTC) Received: from rhel8.vm.redhat.com (localhost [127.0.0.1]) by rhel8.vm.delorie.com (8.15.2/8.15.2) with ESMTPS id 12MIWGnx034706 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NOT); Mon, 22 Mar 2021 14:32:16 -0400 From: DJ Delorie To: "H.J. Lu" Cc: libc-alpha@sourceware.org Subject: Re: [PATCH v3] x86: Properly disable XSAVE related features [BZ #27605] In-Reply-To: (hjl.tools@gmail.com) Date: Mon, 22 Mar 2021 14:32:16 -0400 Message-ID: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain X-Spam-Status: No, score=-6.3 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H4, RCVD_IN_MSPIKE_WL, SPF_HELO_NONE, SPF_PASS, 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: Mon, 22 Mar 2021 18:32:23 -0000 "H.J. Lu" writes: > Here is the v3 patch to disable all XSAVE related features if both > XSAVE and XSAVEC aren't usable. This version passes all my tests, on both cpus. Thanks!