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=-21.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT, USER_IN_DEF_DKIM_WL 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 69736C43460 for ; Fri, 7 May 2021 16:59:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 291FB61460 for ; Fri, 7 May 2021 16:59:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238465AbhEGRAz (ORCPT ); Fri, 7 May 2021 13:00:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236776AbhEGRAy (ORCPT ); Fri, 7 May 2021 13:00:54 -0400 Received: from mail-qk1-x749.google.com (mail-qk1-x749.google.com [IPv6:2607:f8b0:4864:20::749]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 74D40C061574 for ; Fri, 7 May 2021 09:59:53 -0700 (PDT) Received: by mail-qk1-x749.google.com with SMTP id s123-20020a3777810000b02902e9adec2313so6628314qkc.4 for ; Fri, 07 May 2021 09:59:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:message-id:mime-version:subject:from:to:cc; bh=uGowWnX27OFq3X1gHuwjZTbUlKh4i8rvEkAnK10zYZE=; b=mnSStCy9NenGQ9//ObWsCgKQmNe7czVPdK7QhmoAJFZ7H/LYAa9AmCI99Q39bNSwzm wMCb0nAcQ/xgUJG/nSE0lqXCIni649ugapCTs6DEpVto8egto6V4nJXrw3Bk7FdEP4uz Lqo5yLB9lAo2KL2sAlNj5hvyWdOmkzxc1RTdayzCz1YQvt/sIuTFwwA3yuKFiK7DxBqh bzyCKol8nGb397q/Y5yz0m1nwvt+n2jeqfY/g751BFIEbuu5IZwoJ5ExXwAE1TxARvUK JOfclvETVaGiKMmizl6qxTkLLlGGoaPxEg1FOFobvWqX4EOY17u1i+OEioDZnBI3/y4E lmcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:reply-to:date:message-id:mime-version:subject :from:to:cc; bh=uGowWnX27OFq3X1gHuwjZTbUlKh4i8rvEkAnK10zYZE=; b=MeAxgGaewQ0CJTi2E0A+ihP2OrfGDV7XM/3vfl5PW/t79dkNy524mp4oEL9RhPyvNk b1uYqDkrQChNHjh5YZ1VKRL/PnBo8EbrjNeSCjYt0o2wRV0DT2dUo5B5ceKYc85JwYgF 28Si8kwVxdoVAfysBmM6jHBdAiCw22N1V5yWtvymPl778xzt0wL74Q/eqGHIOCsIqORf 7dMcCA/djW/vShG2EKDI7O4fN9CZ7HIQtEor6J9RJC2vC5w9SiueWqy6ijFJ2GZ/leRH fko7qrzKSPZ3jZtkS6pK4leDvEY6tO2vM36YdmGroFOtrY1jjrclPrIf7b3PJ/rFbD0k Tyeg== X-Gm-Message-State: AOAM533o6X8te4a6T/ji5QOPGcyi6haLtKkK8Doo7Cy7PIvHAZYX3QaK XneAK8/Zk9j/TkbwHLAK/tovopeI7Ds= X-Google-Smtp-Source: ABdhPJxFM635GyWiSG/BnziS1EI1yIDc1gHO1U+htrLY1MFsVNaVy0Dc2UGxrhy5kab0tvrOWUBR6geOiUU= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:f:10:7352:5279:7518:418f]) (user=seanjc job=sendgmr) by 2002:a0c:bd13:: with SMTP id m19mr10783603qvg.29.1620406792652; Fri, 07 May 2021 09:59:52 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 7 May 2021 09:59:45 -0700 Message-Id: <20210507165947.2502412-1-seanjc@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.31.1.607.g51e8a6a459-goog Subject: [PATCH 0/2] KVM: x86: Fixes for SEV-ES state tracking From: Sean Christopherson To: Paolo Bonzini Cc: Sean Christopherson , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Gonda , Maxim Levitsky Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For SEV-ES guests, Ensure KVM's model of EFER is up-to-date after a CR0 load, and let userspace set tracked state via KVM_SET_SREGS, relying on the vendor code to not propagate the changes to hardware (VMCB in this case). Peter, patch 02 is different than what I sent to you off list. I'm still 100% convinced that the load_pdptrs() call is flawed, but Maxim has an in-progress series that's tackling the PDPTR save/restore mess. Sean Christopherson (2): KVM: SVM: Update EFER software model on CR0 trap for SEV-ES KVM: x86: Allow userspace to update tracked sregs for protected guests arch/x86/kvm/svm/svm.c | 8 +++-- arch/x86/kvm/x86.c | 73 ++++++++++++++++++++++++------------------ 2 files changed, 47 insertions(+), 34 deletions(-) -- 2.31.1.607.g51e8a6a459-goog