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 1FE74C7EE29 for ; Wed, 7 Jun 2023 00:43:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239992AbjFGAnS (ORCPT ); Tue, 6 Jun 2023 20:43:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239908AbjFGAnP (ORCPT ); Tue, 6 Jun 2023 20:43:15 -0400 Received: from mail-pl1-x64a.google.com (mail-pl1-x64a.google.com [IPv6:2607:f8b0:4864:20::64a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6DB791732 for ; Tue, 6 Jun 2023 17:43:14 -0700 (PDT) Received: by mail-pl1-x64a.google.com with SMTP id d9443c01a7336-1b03057588cso61848515ad.1 for ; Tue, 06 Jun 2023 17:43:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20221208; t=1686098594; x=1688690594; h=cc:to:from:subject:message-id:mime-version:date:reply-to:from:to:cc :subject:date:message-id:reply-to; bh=bybaLCqc8JhYOjYuGlDyJbEWcYLH95lMWslyp/Hs2bM=; b=nJkBLmOj4a6aLchvs36B1oOkZHiCMfyj+WFJhicNmT3QUToiwNmFaZ4DdxDWqqjh// pk/OUQ0FsRd53spBKsNdM8daS7QoMHlbt1aCKFoniacZkrXxJtiVGaHI6084FpHd6Cd+ //VLGDr3QQxwLShIfVhQo+NNLqeJYvRvhETap63v4CkUw/wa4WtNuv7tGEx7rJN3LhRh XdQKnGTNQSB/yrO1DA0hd7nurfw4PcnAGeWNQYC35KawB4gMRVnfnGVtcF6nHcB75DPA uHvmVHmK4MUpMYBjkLlPOcLKJnVOGc+9r8KGbtyfdi7NZs2FuEuj+x+FZ32MbB/gFT9J Rk7Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686098594; x=1688690594; 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=bybaLCqc8JhYOjYuGlDyJbEWcYLH95lMWslyp/Hs2bM=; b=YPtJEjRRhe4i1zWclncgmL1kT/PFS068H6JX8yO71MTVPd3otsDq92bclDrvTpSy29 pejB2sNjtml7eBADCEjTjxlq/kXpeEJHEkzphMEbMOneVvcJt9Bt8Q+E82uFkQ2qhhex HJrv/CxjqF5kt07YxiSMVsskhP2sl9Bu2a+e+stq9q4zHOQPIarAh1jIA4TSVq6pISeO XH0Kv2ubPHAdEu7Qtm317tjZZEG8j+fX9c2K8/Vgn+fbBo/hdxlimaUq+jtmUyTtXgtU CF4mL0hqxR52t0CHK6A+a/pjhtma1ceszyLT3qLhXdIPQl1cUmUFU+/1ctRTkXnrNjAO Nczg== X-Gm-Message-State: AC+VfDyzzWvyxT5PJ4HunSJvzqTGuAHUlgsttl7UjmTkaE9D0SOvZ5kV +ylo29VVgqRTic45RjEbZceQcXlOhrU= X-Google-Smtp-Source: ACHHUZ5icomASxlkXyL4d7DqqftAUkZdSrOTBL2+Wz+86UQDPbfBgZAGyQSkTxX3pMepA2PV/5UGH9LCVjI= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a17:903:26d3:b0:1ae:7604:d65c with SMTP id jg19-20020a17090326d300b001ae7604d65cmr1130371plb.0.1686098593932; Tue, 06 Jun 2023 17:43:13 -0700 (PDT) Reply-To: Sean Christopherson Date: Tue, 6 Jun 2023 17:43:08 -0700 Mime-Version: 1.0 X-Mailer: git-send-email 2.41.0.162.gfafddb0af9-goog Message-ID: <20230607004311.1420507-1-seanjc@google.com> Subject: [PATCH 0/2] KVM: x86: Snapshot host MSR_IA32_ARCH_CAPABILITIES From: Sean Christopherson To: Sean Christopherson , Paolo Bonzini Cc: kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Chao Gao , Xiaoyao Li , Pawan Gupta Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Snapshot the host's MSR_IA32_ARCH_CAPABILITIES to avoid repeated RDMSRs at runtime, and cleanup the pseudo-cache vmx_fb_clear_ctrl_available. Sean Christopherson (2): KVM: x86: Snapshot host's MSR_IA32_ARCH_CAPABILITIES KVM: VMX: Drop unnecessary vmx_fb_clear_ctrl_available "cache" arch/x86/kvm/vmx/vmx.c | 33 ++++++--------------------------- arch/x86/kvm/x86.c | 13 +++++++------ arch/x86/kvm/x86.h | 1 + 3 files changed, 14 insertions(+), 33 deletions(-) base-commit: 02f1b0b736606f9870595b3089d9c124f9da8be9 -- 2.41.0.162.gfafddb0af9-goog