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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 79297C49EA3 for ; Fri, 18 Jun 2021 11:54:28 +0000 (UTC) Received: from smtp1.osuosl.org (smtp1.osuosl.org [140.211.166.138]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2F5BD61351 for ; Fri, 18 Jun 2021 11:54:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F5BD61351 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=8bytes.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=virtualization-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp1.osuosl.org (Postfix) with ESMTP id 512CD83981; Fri, 18 Jun 2021 11:54:27 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp1.osuosl.org ([127.0.0.1]) by localhost (smtp1.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 1I9M8t4oozNa; Fri, 18 Jun 2021 11:54:26 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp1.osuosl.org (Postfix) with ESMTPS id 071F0839BD; Fri, 18 Jun 2021 11:54:26 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id 54051C0027; Fri, 18 Jun 2021 11:54:25 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) by lists.linuxfoundation.org (Postfix) with ESMTP id 56C11C000D for ; Fri, 18 Jun 2021 11:54:23 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 3D1A7400F2 for ; Fri, 18 Jun 2021 11:54:23 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id hct40u7Z_akq for ; Fri, 18 Jun 2021 11:54:21 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from theia.8bytes.org (8bytes.org [81.169.241.247]) by smtp2.osuosl.org (Postfix) with ESMTPS id 9E162400EA for ; Fri, 18 Jun 2021 11:54:21 +0000 (UTC) Received: from cap.home.8bytes.org (p4ff2ba7c.dip0.t-ipconnect.de [79.242.186.124]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by theia.8bytes.org (Postfix) with ESMTPSA id 59DD61E9; Fri, 18 Jun 2021 13:54:17 +0200 (CEST) From: Joerg Roedel To: x86@kernel.org Subject: [PATCH v7 0/2] x86/sev: Fixes for SEV-ES Guest Support Date: Fri, 18 Jun 2021 13:54:07 +0200 Message-Id: <20210618115409.22735-1-joro@8bytes.org> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Cc: kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , virtualization@lists.linux-foundation.org, Arvind Sankar , hpa@zytor.com, Jiri Slaby , Joerg Roedel , David Rientjes , Martin Radev , Tom Lendacky , Joerg Roedel , Kees Cook , Cfir Cohen , linux-coco@lists.linux.dev, Andy Lutomirski , Dan Williams , Juergen Gross , Mike Stunes , Sean Christopherson , linux-kernel@vger.kernel.org, Masami Hiramatsu , Erdem Aktas X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" From: Joerg Roedel Hi, please find here the next iteration of my pending fixes for SEV-ES guest support in Linux. This version addresses the comments I received from Peter on the previous version, in particular: - Removed IRQ disable/enable calls in the ap-hlt loop code - Made __sev_get/put_ghcb() noinstr instead of __always_inline and put instrumentation_begin()/end() calls around panic() to fix an objtool warning. - Split up #DB handling in the #VC handler into a from-user and from-kernel part as well. The patches are again tested with a kernel with various debugging options enabled, running as an SEV-ES guest. The previous version of these patches can be found here: https://lore.kernel.org/lkml/20210616184913.13064-1-joro@8bytes.org/ Please review. Thanks, Joerg Joerg Roedel (2): x86/sev: Make sure IRQs are disabled while GHCB is active x86/sev: Split up runtime #VC handler for correct state tracking arch/x86/entry/entry_64.S | 4 +- arch/x86/include/asm/idtentry.h | 29 ++--- arch/x86/kernel/sev.c | 182 ++++++++++++++++++-------------- 3 files changed, 113 insertions(+), 102 deletions(-) base-commit: 07570cef5e5c3fcec40f82a9075abb4c1da63319 -- 2.31.1 _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization