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=-2.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 97B04C43387 for ; Sun, 13 Jan 2019 14:37:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 60BAE20842 for ; Sun, 13 Jan 2019 14:37:29 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=alien8.de header.i=@alien8.de header.b="dwTAHoYD" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726650AbfAMOh2 (ORCPT ); Sun, 13 Jan 2019 09:37:28 -0500 Received: from mail.skyhub.de ([5.9.137.197]:60776 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726559AbfAMOh2 (ORCPT ); Sun, 13 Jan 2019 09:37:28 -0500 Received: from zn.tnic (p200300EC2BE08000EDE322DDA64824A6.dip0.t-ipconnect.de [IPv6:2003:ec:2be0:8000:ede3:22dd:a648:24a6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.skyhub.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id DDE981EC027A; Sun, 13 Jan 2019 15:37:25 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=dkim; t=1547390246; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:in-reply-to:in-reply-to: references:references; bh=Tl7qcAZ8FNvp4oWx6utLsw1//jsL8nUvAjTmv+F2lD8=; b=dwTAHoYDMaSYk2JNGi1ewBYra5ghgAdhf2+xEVZvhgud5CjQi2TJcCLDk1Ij4J/+d/KdY/ yUY80GT7z8u8XbBIsyAEPC8KIAyOI8rQwByS+rguhF15y1fjcQav0Urzi6r3GZfGpksHh6 Z/XNytubmRBtPs4+3gBR1cJi7eYBH+Q= Date: Sun, 13 Jan 2019 15:37:19 +0100 From: Borislav Petkov To: Paolo Bonzini Cc: KVM , Radim =?utf-8?B?S3LEjW3DocWZ?= , Joerg Roedel , Tom Lendacky , Tony Luck , Yazen Ghannam , LKML Subject: Re: [PATCH v3 0/2] x86/kvm: Enable MCE injection in the guest Message-ID: <20190113143719.GA25673@zn.tnic> References: <20181114181507.6037-1-bp@alien8.de> <64d0e75f-f292-7e63-dd66-4e05d4afed5b@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <64d0e75f-f292-7e63-dd66-4e05d4afed5b@redhat.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Nov 26, 2018 at 05:41:21PM +0100, Paolo Bonzini wrote: > On 14/11/18 19:15, Borislav Petkov wrote: > > From: Borislav Petkov > > > > Hi all, > > > > here's a rediff ontop of -rc2. No changes, only added Yazen's Tested-by. > > > > Please queue, > > thx. > > > > Changelog: > > ========== > > > > v2: > > > > here's v2, dropping patch 3 and incorporating hopefully all of Radim's > > feedback. > > > > v1: > > > > there's this mce-inject.ko module in the kernel which allows for > > injecting real MCEs and thus test the MCE handling code. > > > > It is doubly useful to be able to inject same MCEs in a guest so that > > testing of the MCE handling code can happen even easier/faster. In order > > to be able to do that on an AMD guest, we need to emulate some bits > > and pieces like the HWCR[McStatusWrEn] bit which allows writes to the > > MCi_STATUS registers without a #GP. > > > > The below does that and with it I'm able to properly inject MCEs in said > > guest. > > > > -- > > > > Borislav Petkov (2): > > kvm/x86: Move MSR_K7_HWCR to svm.c > > x86/kvm: Implement MSR_HWCR support > > > > arch/x86/kvm/svm.c | 20 ++++++++++++++++++++ > > arch/x86/kvm/x86.c | 46 +++++++++++++++++++++++++++++++--------------- > > 2 files changed, 51 insertions(+), 15 deletions(-) > > > > Queued, thanks. Where? I don't see them in rc1... -- Regards/Gruss, Boris. Good mailing practices for 400: avoid top-posting and trim the reply.