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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41C82C7619A for ; Wed, 5 Apr 2023 23:46:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233825AbjDEXqG (ORCPT ); Wed, 5 Apr 2023 19:46:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36730 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233678AbjDEXqE (ORCPT ); Wed, 5 Apr 2023 19:46:04 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9F53B7684 for ; Wed, 5 Apr 2023 16:45:59 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id z16-20020a170902d55000b001a06f9b5e31so22169359plf.21 for ; Wed, 05 Apr 2023 16:45:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; t=1680738359; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=C3FiFSj2DW7QCcfEdHRl2FpbvkGFlMTLZXLRiPlpQOA=; b=kzWXb206+DPAGRlHNfajqdPAu56I4sQ/oSzZna3XW7CCIrbaRTz1FJ1k/xjq+NB5Bo 399kCrZ2lNU26W3rApcqaM6JIjh8I4K47bNacsDM2bSQvC4SHSWlSRB88/PdnJfCF94p 8blR3NdNXER1b/kBMmE0phFKwhFQDCSzQHoEP5o5Jz6xSxFvVuTMjq97m7b6GSnKhDw+ LXOhZ3dj5ycdHzUcFFB6G6BPh0vuocE+1fxPtd3BmXi8GjGZDi4Jv3izx2paVkt5LHAa wbBMqakvOf4Ie1hb6cD0fTYIe4RevYB66RaIz3W//0RXGqm3PgjlcbE4qrYeNnCE5Q8B Yv7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680738359; h=cc:to:from:subject:message-id:mime-version:date:reply-to :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=C3FiFSj2DW7QCcfEdHRl2FpbvkGFlMTLZXLRiPlpQOA=; b=8Ecgs6IuXeCWDfjdRRBf6Vn6uHGV5KqHpHQT8XHlN0Khw1u50Va6iI085IreYOOFlC Y1mOfs6+EtCnpT5h4d+3OHemM1oFPk+mfJxDex+mmkOAy1jrwUi88hhFkpBlMY4CCxxD YxDpZ7fgVXox9UoceZjkPYwLmg6aUPrHwjrfDJf9+wSxJRw24mLCNanEg76nmfn6axH0 ksYByejeylA/cXfq/rlguRHm9ZsnIKon4m8CMug/BK/5pTwZ5Q5n02qRG7lAl8giSTRS gCxQ7St4KdmWHIkjWB6TX7GWS72xwwFcyFg640t9iZIq42vZtLCGXodT4jUBs60B5nHG p0og== X-Gm-Message-State: AAQBX9dtCv6JEVg7jeHU+5aDDL0fOLE8pvfLzm4d88rcSUj29EKWF4Pz ScrXTSRLm19BelzrQmIw4d+dvph1bMw= X-Google-Smtp-Source: AKy350YKp2UCp0PHFbv2II78OIaWEueDMkGj0ycSIg/7gnLZ9lAUo9whG2vghjeYUv45/S5Jn0WA18C2s+o= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:90a:d201:b0:240:d8d8:12c4 with SMTP id o1-20020a17090ad20100b00240d8d812c4mr2810027pju.3.1680738359091; Wed, 05 Apr 2023 16:45:59 -0700 (PDT) Reply-To: Sean Christopherson Date: Wed, 5 Apr 2023 16:45:54 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.40.0.348.gf938b09366-goog Message-ID: <20230405234556.696927-1-seanjc@google.com> Subject: [PATCH 0/2] KVM: VMX: Fixes for faults on ENCLS emulation From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Binbin Wu , Kai Huang Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Found-by-inspection (when reviewing Binbin's patch) fixes for incorrect emulation of faults when KVMintercepts and emulates (sort of) ENCLS. Very much compile tested only. Ideally, someone with SGX hardware can confirm that these patches are correct, e.g. my assessment that KVM needs to manually check CR0.PG is based purely of SDM pseudocode. Sean Christopherson (2): KVM: VMX: Inject #GP on ENCLS if vCPU has paging disabled (CR0.PG==0) KVM: VMX: Inject #GP, not #UD, if SGX2 ENCLS leafs are unsupported arch/x86/kvm/vmx/sgx.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) base-commit: 27d6845d258b67f4eb3debe062b7dacc67e0c393 -- 2.40.0.348.gf938b09366-goog