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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 C714CC2BB85 for ; Tue, 14 Apr 2020 07:38:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A91072072D for ; Tue, 14 Apr 2020 07:38:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406750AbgDNHia (ORCPT ); Tue, 14 Apr 2020 03:38:30 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:42855 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406729AbgDNHiU (ORCPT ); Tue, 14 Apr 2020 03:38:20 -0400 Received: from p5de0bf0b.dip0.t-ipconnect.de ([93.224.191.11] helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1jOG93-0005W2-1P; Tue, 14 Apr 2020 09:38:09 +0200 Received: by nanos.tec.linutronix.de (Postfix, from userid 1000) id DD9C3100D14; Tue, 14 Apr 2020 09:38:07 +0200 (CEST) From: Thomas Gleixner To: Sean Christopherson Cc: LKML , x86@kernel.org, "Kenneth R. Crudup" , Paolo Bonzini , Fenghua Yu , Xiaoyao Li , Nadav Amit , Thomas Hellstrom , Tony Luck Subject: Re: [patch 0/3] x86/kvm: Basic split lock #AC handling In-Reply-To: <20200410190243.GH22482@linux.intel.com> References: <20200410115359.242241855@linutronix.de> <20200410190243.GH22482@linux.intel.com> Date: Tue, 14 Apr 2020 09:38:07 +0200 Message-ID: <87v9m2o6u8.fsf@nanos.tec.linutronix.de> MIME-Version: 1.0 Content-Type: text/plain X-Linutronix-Spam-Score: -1.0 X-Linutronix-Spam-Level: - X-Linutronix-Spam-Status: No , -1.0 points, 5.0 required, ALL_TRUSTED=-1,SHORTCIRCUIT=-0.0001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sean, Sean Christopherson writes: > On Fri, Apr 10, 2020 at 01:53:59PM +0200, Thomas Gleixner wrote: >> This is a reworked version of the patches posted by Sean: >> >> https://lore.kernel.org/r/20200402155554.27705-1-sean.j.christopherson@intel.com >> >> The changes vs. this are: >> >> 1) Use a separate function for guest split lock handling >> >> 2) Force SIGBUS when SLD mode fatal > > Not that it matters as the code is correct, but I think you meant > "when SLD mode off" here. Actually for both fatal and off. The latter should never happen :) Thanks, tglx