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=unavailable 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 9FE10C15504 for ; Thu, 4 Mar 2021 00:29:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 77F3F64E51 for ; Thu, 4 Mar 2021 00:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1451003AbhCDA2e (ORCPT ); Wed, 3 Mar 2021 19:28:34 -0500 Received: from 8bytes.org ([81.169.241.247]:57288 "EHLO theia.8bytes.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242977AbhCCOSZ (ORCPT ); Wed, 3 Mar 2021 09:18:25 -0500 Received: from cap.home.8bytes.org (p549adcf6.dip0.t-ipconnect.de [84.154.220.246]) (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 4A6AF20C; Wed, 3 Mar 2021 15:17:22 +0100 (CET) From: Joerg Roedel To: x86@kernel.org Cc: Joerg Roedel , Joerg Roedel , hpa@zytor.com, Andy Lutomirski , Dave Hansen , Peter Zijlstra , Jiri Slaby , Dan Williams , Tom Lendacky , Juergen Gross , Kees Cook , David Rientjes , Cfir Cohen , Erdem Aktas , Masami Hiramatsu , Mike Stunes , Sean Christopherson , Martin Radev , Arvind Sankar , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Subject: [PATCH 0/5 v2] x86/sev-es: SEV-ES Fixes for v5.12 Date: Wed, 3 Mar 2021 15:17:11 +0100 Message-Id: <20210303141716.29223-1-joro@8bytes.org> X-Mailer: git-send-email 2.30.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Joerg Roedel Hi, here are a couple of fixes for 5.12 in the SEV-ES guest support code. Patches 1-3 have in a similar form already been posted, so this is v2. The last two patches are new an arose from me running an SEV-ES guest with more debugging features and instrumentation enabled. I changed the first patches according to the review comments I received. Please review. Thanks, Joerg Joerg Roedel (5): x86/sev-es: Introduce ip_within_syscall_gap() helper x86/sev-es: Check if regs->sp is trusted before adjusting #VC IST stack x86/sev-es: Optimize __sev_es_ist_enter() for better readability x86/sev-es: Correctly track IRQ states in runtime #VC handler x86/sev-es: Use __copy_from_user_inatomic() arch/x86/entry/entry_64_compat.S | 2 + arch/x86/include/asm/insn-eval.h | 2 + arch/x86/include/asm/proto.h | 1 + arch/x86/include/asm/ptrace.h | 15 ++++++++ arch/x86/kernel/sev-es.c | 58 ++++++++++++++++++++-------- arch/x86/kernel/traps.c | 3 +- arch/x86/lib/insn-eval.c | 66 +++++++++++++++++++++++++------- 7 files changed, 114 insertions(+), 33 deletions(-) -- 2.30.1