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=-18.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 5970FC4320A for ; Wed, 1 Sep 2021 19:57:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4009F6109E for ; Wed, 1 Sep 2021 19:57:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239947AbhIAT62 (ORCPT ); Wed, 1 Sep 2021 15:58:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50090 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231279AbhIAT61 (ORCPT ); Wed, 1 Sep 2021 15:58:27 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AC9A3C061760 for ; Wed, 1 Sep 2021 12:57:30 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id u11-20020a17090adb4b00b00181668a56d6so531031pjx.5 for ; Wed, 01 Sep 2021 12:57:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=tMTG80t3wz+BbsYt7/vMbgUKt2cALKcGrfxmvyDVycI=; b=GDxzDHx6y4t2OpIpS+RJgk1VtJMeiB8knpDgvYQPSsFfHb9myS2i8Y8zKivTuXuXjD 80WQ7dy0hlk1NsTkOvIPxXdqWLOvHI003J78+jnvMmt2AHjFlmWer9qGm5PPsff+b2qd aOvfuEe5agrtLAxrPIEsh+gBgAiw95ASoDg+uPHtcGd0X5xUl+uFpwYV5yGFPfy3nYSe X7GTPNiKRIHN5GQzk78FQkxMTyXT4uS5O8MwskFj3Q3faG/t/NUqScAQalxcqTeIbxdC r6CJv4p/DQwb/7mJW/KCjNyL/lqHQmBPjT5leuOBgEo6MdmgGRm0IRJ3pJtpXO6I5Yni WUCw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=tMTG80t3wz+BbsYt7/vMbgUKt2cALKcGrfxmvyDVycI=; b=S65gT+Q0KCYt4QHCtBcBBYEJ136IBUrzs+o7FDOzIii5C1vfI9LLiGqhgkMvnRxA8+ bcQkmO9bYie/LtVIPY1yWsBLN8RvsTBmdaYu0d7Vr7ghm0NmZb8XyoJYQQgGo5BRwgUS BP71JClpBpelQKj9TaMJEOLW7yQWKdE6L/xFIWunS4B3UXUSNu8AzDE3fLlVxRKbQS4y zwd6oTsLJ4mjdZ8Gc4cXJrhWlw0m9fF4k53z8i3RWfSn9U8YQKyVkrtSJrjzZ3LuEY5a +XYwQeaxCtMMOlT9f02R0tkLPYKE+f4VaJaHkCUG3j5K8oBZgEBOF/z7CEclQNQWafa+ id2Q== X-Gm-Message-State: AOAM533pVrrYNSu9iO/I6baYcQyc6iw7CvB/ovZB49EH/01/sPq510u8 aOZpKQ49//5vxx8FXZH84W+xYA== X-Google-Smtp-Source: ABdhPJyjE7jv9C7nQQ332L+GGCxxc0l51kKj4TvBYL6j4Mk0NOTmNP6mrLfjZrAOXlarJRfAETU5Gg== X-Received: by 2002:a17:90b:88e:: with SMTP id bj14mr1067223pjb.115.1630526249849; Wed, 01 Sep 2021 12:57:29 -0700 (PDT) Received: from google.com (157.214.185.35.bc.googleusercontent.com. [35.185.214.157]) by smtp.gmail.com with ESMTPSA id z7sm306742pjr.42.2021.09.01.12.57.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Sep 2021 12:57:29 -0700 (PDT) Date: Wed, 1 Sep 2021 19:57:25 +0000 From: Sean Christopherson To: Jia He Cc: Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , Thomas Gleixner , Ingo Molnar , Borislav Petkov , x86@kernel.org, "H. Peter Anvin" , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] KVM: x86/mmu: Remove unused field mmio_cached in struct kvm_mmu_page Message-ID: References: <20210830145336.27183-1-justin.he@arm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210830145336.27183-1-justin.he@arm.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 30, 2021, Jia He wrote: > After reverting and restoring the fast tlb invalidation patch series, > the mmio_cached is not removed. Hence a unused field is left in > kvm_mmu_page. > > Cc: Sean Christopherson > Signed-off-by: Jia He Reviewed-by: Sean Christopherson There's also additional cleanup we can do to take advantage of the free byte. I'll include this patch in a follow-up mini-series to hopefully make life a bit easier for Paolo. Thanks!