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=-6.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 BACC7C4320A for ; Thu, 29 Jul 2021 15:53:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A5F5460F5C for ; Thu, 29 Jul 2021 15:53:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238053AbhG2Pxh (ORCPT ); Thu, 29 Jul 2021 11:53:37 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:50789 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238050AbhG2Pxe (ORCPT ); Thu, 29 Jul 2021 11:53:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1627574010; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=WIqDiJp6VaSn9dpR1kfsnItFG7gaXoSJekhGozotnW4=; b=On+0sdxgZ4DxLbqSKFJMkaFBfBtVDQtNbNRMOp3gCovJ6/QdXPqjY4Cz+W/y9ZO2ryknTH 3Zhfk5MOailE9OwEDy0YiN4feJx+O0SPOj16wPwwLe0eMFqxQOpJ1EYvP+GfhTh121FTo5 8nGrLsy+Naj9QLdAm1HCGFV6BtqSrmI= Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-404-37PSxDm4NsyYDO6bWxICsQ-1; Thu, 29 Jul 2021 11:53:29 -0400 X-MC-Unique: 37PSxDm4NsyYDO6bWxICsQ-1 Received: by mail-qt1-f200.google.com with SMTP id l24-20020ac872580000b029024e988e8277so2907041qtp.23 for ; Thu, 29 Jul 2021 08:53:28 -0700 (PDT) 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=WIqDiJp6VaSn9dpR1kfsnItFG7gaXoSJekhGozotnW4=; b=c+Z1L4eB8k4zpekZspb/CGmgfNV7HoTlqeikcU295c5G8fiZOGicC/C3YeVAZ8zcTo 4JpAq6IFaJBXnPsQ8+Ca9fp7XyRksZkZPAjDm/EoALlvdgRBiM2aRh2c5u97gFcAkSr1 lHIQysPyeR46gj2Mh9h+egwxRh7+k1YmW7gXm76MtmZcVZdTC6rB+8I+FvCZCMs8IUjL z17muLBv7zBNyxJQK4JIoymo1t+h+ZmuABXMSVrMGe9usS4kmTk01Mhl5V44p7Cy1q8O DO+NGbCznhdpGWZp5wzg4kRpugieWs59OPF1D0yU6EIEhVoJnRJ7o1p+xMFBp+M4NntG dlOQ== X-Gm-Message-State: AOAM530jrv+yTor1tgC/1IHgI7vrr0eLRAxn7A0La6zAQLiHtjmV6qSU IjtSrGgT6oH2bDC/WVki61zfBle21rVBiZcSG3N4iUCwDXAiJHUNWIrpCNfYT148qLYRJsPbV/t pESSRGvGTgCtna1us+3lvRbs4 X-Received: by 2002:a37:46d1:: with SMTP id t200mr6017848qka.491.1627574008555; Thu, 29 Jul 2021 08:53:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJx20AvvmwA3zsdeUzhxGgr6AKaj+/c2//3SiKDGKEF0n2dtIKt7qPdZIpPiTl4sSwosnRnUXg== X-Received: by 2002:a37:46d1:: with SMTP id t200mr6017833qka.491.1627574008362; Thu, 29 Jul 2021 08:53:28 -0700 (PDT) Received: from t490s (bras-base-toroon474qw-grc-65-184-144-111-238.dsl.bell.ca. [184.144.111.238]) by smtp.gmail.com with ESMTPSA id u186sm1990880qkb.11.2021.07.29.08.53.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 29 Jul 2021 08:53:27 -0700 (PDT) Date: Thu, 29 Jul 2021 11:53:26 -0400 From: Peter Xu To: Paolo Bonzini Cc: Sean Christopherson , linux-kernel@vger.kernel.org, kvm@vger.kernel.org, Maxim Levitsky , Vitaly Kuznetsov Subject: Re: [PATCH v2 8/9] KVM: X86: Optimize pte_list_desc with per-array counter Message-ID: References: <20210625153214.43106-1-peterx@redhat.com> <20210625153415.43620-1-peterx@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 29, 2021 at 11:33:32AM +0200, Paolo Bonzini wrote: > On 28/07/21 23:51, Peter Xu wrote: > > Reasonable. Not sure whether this would change the numbers a bit in the commit > > message; it can be slightly better but also possible to be non-observable. > > Paolo, let me know if you want me to repost/retest with the change (along with > > keeping the comment in the other patch). > > Yes, feel free please start from the patches in kvm/queue (there were some > conflicts, so it will save you the rebasing work) and send v3 according to > Sean's callbacks. Will do. Thanks, -- Peter Xu