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=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,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 2BA9DC433ED for ; Sat, 24 Apr 2021 00:48:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F247D6144A for ; Sat, 24 Apr 2021 00:48:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244384AbhDXAsz (ORCPT ); Fri, 23 Apr 2021 20:48:55 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36826 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244231AbhDXAsC (ORCPT ); Fri, 23 Apr 2021 20:48:02 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 608E8C061345 for ; Fri, 23 Apr 2021 17:47:18 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id f7-20020a5b0c070000b02904e9a56ee7e7so26239649ybq.9 for ; Fri, 23 Apr 2021 17:47:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=reply-to:date:in-reply-to:message-id:mime-version:references :subject:from:to:cc; bh=Jt+QADH41QWXYhePdcqYrOCInHjfAIgUcTFitJT85II=; b=VKCD32tNE1gQlT8ZBHmOFQRMkonRpIDU2w8ZcZmMWG/7LY6e4AiT3pguQltFHx+cnZ Q1K5jdZDD7ObiUHwqs3LK8yW6Lm8azAWM8On3E0EOePkJjeVIpQbzl2NYdOA5DtnD0uE /tJeuBOOcMgrXvAXgj70Gx2Raox3rxVrhxzxWGsTAydHbW/6kYjdTuiuVSQIZHDBcG7c AOHXWD+1aSRrWePdu/il24DPE9Vd7L+uPsF+KwVKzddyZzCGn6HO8wm66J0kx3dIBVHX Y3KTVdZKSBede+UunwTlNnFwh9QSaXzNjWKYCayzmuVdBWs22HkiQ5fltixxunX2zl7w Zy7Q== 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:in-reply-to:message-id :mime-version:references:subject:from:to:cc; bh=Jt+QADH41QWXYhePdcqYrOCInHjfAIgUcTFitJT85II=; b=SpMvfQdvpDEjbC6EwfspyAiwg98iIGtLj2bAqhX2bKW35uXejlZXLyJJqu4lSzqy+m rZcUS+p7IqHhtVVOW9iGMwCbWejRT033c4a53UT79h9d4kFmQww8UgOdJeuxgXPiNf32 0Orvr7UB6/ISgLWpJlg2oWUaL/KB7ypTQjaFOk/zHbpUe83VrYAPuIhpA3iKejDuvaMd OAXJc/nX2OLaKJiDTSVXGBRbczvEyRjJojY2UHzk5+Ch/vG/GiY+cPaSrDk/LKs8/qoK j+H/Q4jhC4bAXFNPG0uY83ZZvFvhIwXit6u0gWnv2KTGWI/LyKKElPMpdQ2nxfnH04JB FBXA== X-Gm-Message-State: AOAM531Ubh41H5zN+/BmeTnJFAKBOUdEjQK6Q0aSEtGqtM8bBTqVcB90 xZcFaHrh5A6/i76Avun3MdViRaA0rCg= X-Google-Smtp-Source: ABdhPJwcTnmC6X0oWuujcgYVmlJxsbfvu4nwR2aDmxuh3bzRd3SWRELPe0JgJ/qSwHhiHda4+AZA0+IYfiQ= X-Received: from seanjc798194.pdx.corp.google.com ([2620:15c:f:10:ad52:3246:e190:f070]) (user=seanjc job=sendgmr) by 2002:a25:6f85:: with SMTP id k127mr10032078ybc.270.1619225237656; Fri, 23 Apr 2021 17:47:17 -0700 (PDT) Reply-To: Sean Christopherson Date: Fri, 23 Apr 2021 17:46:10 -0700 In-Reply-To: <20210424004645.3950558-1-seanjc@google.com> Message-Id: <20210424004645.3950558-9-seanjc@google.com> Mime-Version: 1.0 References: <20210424004645.3950558-1-seanjc@google.com> X-Mailer: git-send-email 2.31.1.498.g6c1eba8ee3d-goog Subject: [PATCH 08/43] KVM: SVM: Drop explicit MMU reset at RESET/INIT 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 Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Drop an explicit MMU reset in SVM's vCPU RESET/INIT flow now that the common x86 path correctly handles conditional MMU resets, e.g. if INIT arrives while the vCPU is in 64-bit mode. This reverts commit ebae871a509d ("kvm: svm: reset mmu on VCPU reset"). Signed-off-by: Sean Christopherson --- arch/x86/kvm/svm/svm.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c index d4d7720ce42f..fbea2f45de9a 100644 --- a/arch/x86/kvm/svm/svm.c +++ b/arch/x86/kvm/svm/svm.c @@ -1216,7 +1216,6 @@ static void init_vmcb(struct kvm_vcpu *vcpu) * It also updates the guest-visible cr0 value. */ svm_set_cr0(vcpu, X86_CR0_NW | X86_CR0_CD | X86_CR0_ET); - kvm_mmu_reset_context(vcpu); save->cr4 = X86_CR4_PAE; -- 2.31.1.498.g6c1eba8ee3d-goog