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 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 18B8EC2BB86 for ; Fri, 10 Apr 2020 11:56:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E874420769 for ; Fri, 10 Apr 2020 11:56:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726706AbgDJL4L (ORCPT ); Fri, 10 Apr 2020 07:56:11 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:54448 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725913AbgDJL4K (ORCPT ); Fri, 10 Apr 2020 07:56:10 -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 1jMsGO-0004bg-2S; Fri, 10 Apr 2020 13:56:00 +0200 Received: from nanos.tec.linutronix.de (localhost [IPv6:::1]) by nanos.tec.linutronix.de (Postfix) with ESMTP id 744F3100BB6; Fri, 10 Apr 2020 13:55:59 +0200 (CEST) Message-Id: <20200410115359.242241855@linutronix.de> User-Agent: quilt/0.65 Date: Fri, 10 Apr 2020 13:53:59 +0200 From: Thomas Gleixner To: LKML Cc: x86@kernel.org, "Kenneth R. Crudup" , Paolo Bonzini , Fenghua Yu , Xiaoyao Li , Nadav Amit , Thomas Hellstrom , Sean Christopherson , Tony Luck Subject: [patch 0/3] x86/kvm: Basic split lock #AC handling Content-transfer-encoding: 8-bit 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 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 3) Rename the misnomed helper function which decides whether #AC is injected into the guest or not and move the feature check and the comments into that helper. Thanks, tglx