From patchwork Mon Sep 28 10:38:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 7276531 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 2ACB29F39B for ; Mon, 28 Sep 2015 10:42:43 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 52F4920781 for ; Mon, 28 Sep 2015 10:42:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7905F20705 for ; Mon, 28 Sep 2015 10:42:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932934AbbI1KmE (ORCPT ); Mon, 28 Sep 2015 06:42:04 -0400 Received: from mail-wi0-f177.google.com ([209.85.212.177]:36287 "EHLO mail-wi0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932799AbbI1KjY (ORCPT ); Mon, 28 Sep 2015 06:39:24 -0400 Received: by wicgb1 with SMTP id gb1so97609445wic.1; Mon, 28 Sep 2015 03:39:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=4nnKrTQVyUqztDF/eiVP/Q2Mz5RCjyzV05fMvFxNLjc=; b=vp2uSAUm6nGEpUEPYXynDney36ZXU7chWS2QacK3m4Oy419SRU2APXa0LfFjx1byzV dcTXCdg5esETIybDmQUHvV7vJ73KqbeOkCZPZBW79aHh0FHGNqOC55bd7rDsUKcH4vUY EErA077h7yt9VDDl3jbGOP0XG/JlejfQJmMYv9fVl8IAVpOY3iXlBIP//ok/Hp+zz20i rkpG5K5SrSPZ4rfwdSUh78CtQ6vdzS0D/cAMCwGTRUI+mvzGEk97AWnQ0fgotBluquEB /Yl3ZkqHLY9dEB/dodEyJMcl8oFC4qPZPCq8auJBS08/dkcY8rcaCNVdolH/Hi13kEOd bf3w== X-Received: by 10.194.71.39 with SMTP id r7mr23916013wju.120.1443436763546; Mon, 28 Sep 2015 03:39:23 -0700 (PDT) Received: from 640k.lan ([94.39.140.123]) by smtp.gmail.com with ESMTPSA id hx4sm17630753wjb.31.2015.09.28.03.39.22 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 28 Sep 2015 03:39:22 -0700 (PDT) From: Paolo Bonzini To: linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: bsd@redhat.com, Andrey Smetanin , "Denis V. Lunev" , Gleb Natapov Subject: [FYI PATCH 14/20] kvm/x86: Hyper-V HV_X64_MSR_VP_INDEX export for QEMU. Date: Mon, 28 Sep 2015 12:38:59 +0200 Message-Id: <1443436745-38086-15-git-send-email-pbonzini@redhat.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1443436745-38086-1-git-send-email-pbonzini@redhat.com> References: <1443436745-38086-1-git-send-email-pbonzini@redhat.com> Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Andrey Smetanin Insert Hyper-V HV_X64_MSR_VP_INDEX into msr's emulated list, so QEMU can set Hyper-V features cpuid HV_X64_MSR_VP_INDEX_AVAILABLE bit correctly. KVM emulation part is in place already. Necessary to support loading of winhv.sys in guest, which in turn is required to support Windows VMBus. Signed-off-by: Andrey Smetanin Reviewed-by: Roman Kagan Signed-off-by: Denis V. Lunev CC: Paolo Bonzini CC: Gleb Natapov Signed-off-by: Paolo Bonzini --- arch/x86/kvm/x86.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 7e207de0a13f..5bc598de28a7 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -953,6 +953,7 @@ static u32 emulated_msrs[] = { HV_X64_MSR_CRASH_P0, HV_X64_MSR_CRASH_P1, HV_X64_MSR_CRASH_P2, HV_X64_MSR_CRASH_P3, HV_X64_MSR_CRASH_P4, HV_X64_MSR_CRASH_CTL, HV_X64_MSR_RESET, + HV_X64_MSR_VP_INDEX, HV_X64_MSR_APIC_ASSIST_PAGE, MSR_KVM_ASYNC_PF_EN, MSR_KVM_STEAL_TIME, MSR_KVM_PV_EOI_EN,