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=-14.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 8DF63C433E2 for ; Thu, 10 Sep 2020 09:24:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 36ABB21582 for ; Thu, 10 Sep 2020 09:24:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="duPmDBMf"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="StVpUaql" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730498AbgIJJYT (ORCPT ); Thu, 10 Sep 2020 05:24:19 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:38768 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730277AbgIJJWT (ORCPT ); Thu, 10 Sep 2020 05:22:19 -0400 Date: Thu, 10 Sep 2020 09:22:08 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1599729729; h=from:from:sender:sender:reply-to: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PnXv12gGBDaSrD0ETKCH4ffZcRC1dqZFTwndZAy2Q/4=; b=duPmDBMfMRTAcuacqlRsOjLHbyWJA2lDIOHNW9hKeHD/tPLK5OoLwI+w/wLfGuM8QWLeZa ryhJf1Nmn/YTpHaNcoSYkjNmpc6WDwqhd500Hf7WbWEdzz0llgVX/utGX5qFdh+ou2rz5c Zr2dcx0e9DlQm96pQQkjpYUNEwIwLm1BC6pFRY/IlOjZ8xkPLX8qM36AOpyoEZowQdJ802 B2HxdJ1CAEAYyuoqLs7ng0ShUm6SiAOYQuf7DqMYBKs21KTM/9OOr3GRGiU+F3pJ2sY0E4 6+KS7P0734JeXjUa/3Q5PStbteQc6gbvMd/LoXpE5C1vCNoENCLU0clgK38qIg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1599729729; h=from:from:sender:sender:reply-to: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:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PnXv12gGBDaSrD0ETKCH4ffZcRC1dqZFTwndZAy2Q/4=; b=StVpUaqlQe+FQnCFYtdqs1MevyxK+opsL4vs1BQOS+KpVHPNN1GE5d1PtzoPdzCxfHuMzn Q1jSUOxJKHTDlLDg== From: "tip-bot2 for Tom Lendacky" Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/seves] x86/sev-es: Handle INVD Events Cc: Tom Lendacky , Joerg Roedel , Borislav Petkov , x86 , LKML In-Reply-To: <20200907131613.12703-57-joro@8bytes.org> References: <20200907131613.12703-57-joro@8bytes.org> MIME-Version: 1.0 Message-ID: <159972972887.20229.4347569173529097534.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/seves branch of tip: Commit-ID: 8b4ce83707cb2cff5f6d175ea38f751ac4456096 Gitweb: https://git.kernel.org/tip/8b4ce83707cb2cff5f6d175ea38f751ac4456096 Author: Tom Lendacky AuthorDate: Mon, 07 Sep 2020 15:15:57 +02:00 Committer: Borislav Petkov CommitterDate: Wed, 09 Sep 2020 11:33:20 +02:00 x86/sev-es: Handle INVD Events Implement a handler for #VC exceptions caused by INVD instructions. Since Linux should never use INVD, just mark it as unsupported. Signed-off-by: Tom Lendacky [ jroedel@suse.de: Adapt to #VC handling infrastructure ] Co-developed-by: Joerg Roedel Signed-off-by: Joerg Roedel Signed-off-by: Borislav Petkov Link: https://lkml.kernel.org/r/20200907131613.12703-57-joro@8bytes.org --- arch/x86/kernel/sev-es.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/x86/kernel/sev-es.c b/arch/x86/kernel/sev-es.c index b2d7287..236cfc1 100644 --- a/arch/x86/kernel/sev-es.c +++ b/arch/x86/kernel/sev-es.c @@ -892,6 +892,10 @@ static enum es_result vc_handle_exitcode(struct es_em_ctxt *ctxt, case SVM_EXIT_RDPMC: result = vc_handle_rdpmc(ghcb, ctxt); break; + case SVM_EXIT_INVD: + pr_err_ratelimited("#VC exception for INVD??? Seriously???\n"); + result = ES_UNSUPPORTED; + break; case SVM_EXIT_CPUID: result = vc_handle_cpuid(ghcb, ctxt); break;