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 32DA2C43334 for ; Tue, 19 Jul 2022 20:34:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239334AbiGSUeZ (ORCPT ); Tue, 19 Jul 2022 16:34:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47360 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239310AbiGSUeX (ORCPT ); Tue, 19 Jul 2022 16:34:23 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40A1D51400 for ; Tue, 19 Jul 2022 13:34:19 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id 70so14683702pfx.1 for ; Tue, 19 Jul 2022 13:34:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=CVFqoqPpzMTSfS6z/ObK/GxCE/nyCodSdH1HcTh0N8g=; b=OOysKaA6L5Ut9deA7TsRQ5tzw4WGESf2NyAsiWkyN7Zw72FO/JT56iBLiALVizvXV8 XyT43pICpvNYur1KzT172sZxrXSWiev8gScdS4RMLOsA5BtTgTKhDuYQackUtaya/2Lu ROAKrw1vghS0XRYrgNh5QUWZDSctJopHmvMhT3IexRWdMyMa9OSPS1Y0+gm6jbqFmIBW UABMm+XZV79q+aYSZ9CypMytvzCO7uWAoxYVzB0Bazn8whydRq40pxyfe6ik+39q8eA8 /zuHeZVsY2bWDt7cI/dc3emEOzdvZg1/ee2ZEIH0Whk7qXFGTkCmoxZFX745xVx4Sxqb tohQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=CVFqoqPpzMTSfS6z/ObK/GxCE/nyCodSdH1HcTh0N8g=; b=xWqpX0ecWQhaV+eeWEm8TAxD6Bcv8D0OyxsAO0vBGHaSkOCSz0DtvN6C/R5DzQiJaL p4B9ykO7fAWqHRt5lNDDHJe9p0wEUd2LSGzR06Ob277G2n8mmG/HoIqP5rdNLD7dzyYz DKjVTOEJrzNub3+NZYZQaD+cKIgNSRkh3Dn8WEmEOnjXDepEsdKOWDKKuHLfJi1HDGuU t4zVyu6blqzFESlYwLZ3Q6AjHQ8+PnwPLWS8M7q1ThgghayRf0Q+JQ1LTkCKBUfAoorY u5824uZgDhoXQ6NHEW3xjLPY9iRcHw0MCzqqddtxLIDEi7KyRYWemBX5e4XNMx+coEIo RkBQ== X-Gm-Message-State: AJIora+dHdx+6rDp/+/5hDrGw/aDzek/eF1qVzU7SUQKP8fNZ6ubngtZ 9iiN9o80aFzSEduE3sm+UoJjfA== X-Google-Smtp-Source: AGRyM1uGBJ417ylz9TMhQEvOD+j8lKiUWlaChAIsUiWHwqCgozfNEwxEssDNUnfwYwsJpGBx0BIAeg== X-Received: by 2002:a63:4c1:0:b0:41a:5a80:50ff with SMTP id 184-20020a6304c1000000b0041a5a8050ffmr1771803pge.409.1658262858638; Tue, 19 Jul 2022 13:34:18 -0700 (PDT) Received: from google.com (123.65.230.35.bc.googleusercontent.com. [35.230.65.123]) by smtp.gmail.com with ESMTPSA id q10-20020aa7842a000000b0050dc762816asm11850269pfn.68.2022.07.19.13.34.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Jul 2022 13:34:18 -0700 (PDT) Date: Tue, 19 Jul 2022 20:34:14 +0000 From: Sean Christopherson To: Lai Jiangshan Cc: linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Paolo Bonzini , Vitaly Kuznetsov , Maxim Levitsky , Lai Jiangshan Subject: Re: [PATCH 10/12] KVM: X86/MMU: Don't add parents to struct kvm_mmu_pages Message-ID: References: <20220605064342.309219-1-jiangshanlai@gmail.com> <20220605064342.309219-11-jiangshanlai@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220605064342.309219-11-jiangshanlai@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Jun 05, 2022, Lai Jiangshan wrote: > From: Lai Jiangshan > > Parents added into the struct kvm_mmu_pages are never used. s/never/no longer, and if possible, exapnd on why they are no longer used. Most of that can be gleaned from prior patches, but capturing the high level historical details isn't that onerous.