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[209.132.180.67]) by mx.google.com with ESMTP id e71si10092661pgc.295.2018.01.30.17.11.48; Tue, 30 Jan 2018 17:12:03 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752882AbeAaBGR (ORCPT + 99 others); Tue, 30 Jan 2018 20:06:17 -0500 Received: from mx1.redhat.com ([209.132.183.28]:34868 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751572AbeAaBGQ (ORCPT ); Tue, 30 Jan 2018 20:06:16 -0500 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 34DC9C0587E9; Wed, 31 Jan 2018 01:06:16 +0000 (UTC) Received: from [10.36.116.40] (ovpn-116-40.ams2.redhat.com [10.36.116.40]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 6FB9C600D3; Wed, 31 Jan 2018 01:06:11 +0000 (UTC) Subject: Re: [9/8] KVM: x86: limit MSR_IA32_SPEC_CTRL access based on CPUID availability To: David Woodhouse , Thomas Gleixner Cc: Jim Mattson , Mihai Carabas , LKML , kvm list , =?UTF-8?B?UmFkaW0gS3LEjW3DocWZ?= , Liran Alon , Anthony Liguori , Tom Lendacky , Borislav Petkov , the arch/x86 maintainers , Konrad Rzeszutek Wilk References: <20180109120311.27565-10-pbonzini@redhat.com> <6dc02278-7004-1794-3705-69c8cad86be4@oracle.com> <1517332457.18619.132.camel@infradead.org> <75049dca-3389-9cc7-44e3-a487a797c605@redhat.com> <1517356066.18619.139.camel@infradead.org> From: Paolo Bonzini Message-ID: Date: Tue, 30 Jan 2018 20:06:08 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.5.2 MIME-Version: 1.0 In-Reply-To: <1517356066.18619.139.camel@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Wed, 31 Jan 2018 01:06:16 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/01/2018 18:47, David Woodhouse wrote: > On Tue, 2018-01-30 at 18:11 -0500, Paolo Bonzini wrote: > >> Great, then the "per-VCPU MSR bitmaps" branch >> (git://git.kernel.org/pub/scm/virt/kvm/kvm.git refs/heads/msr-bitmaps) >> that I created last weekend can be pulled directly in tip/x86/pti. >> >> It cherry-picks directly to both 4.14 so it will be fine for Greg too. > > Right, I've switched to pulling that branch in to my tree at  > http://git.infradead.org/linux-retpoline.git/shortlog/refs/heads/ibpb > > I seem to recall there was some hecking at it, and I expected it to > change? :) No, apart from adding a "!" in v1->v2 it's all fixed. SHA1 ids won't change. Paolo