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 C5F65C46CA1 for ; Mon, 18 Sep 2023 12:12:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241922AbjIRMMb (ORCPT ); Mon, 18 Sep 2023 08:12:31 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241966AbjIRMME (ORCPT ); Mon, 18 Sep 2023 08:12:04 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 838A6109; Mon, 18 Sep 2023 05:11:56 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id 5b1f17b1804b1-402d0eda361so48334335e9.0; Mon, 18 Sep 2023 05:11:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695039115; x=1695643915; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:user-agent:mime-version:date :message-id:from:from:to:cc:subject:date:message-id:reply-to; bh=nk6sK+L98Z0Oqp/nQXgUvAOvctfkomMX7KeuEQexiso=; b=C7/cgGXhdrWtcn+afZAPCzV39sl96nX6Qv4MCUbgE3hCQX8i7GxG0NxZlKhSZXBSy0 Uy1QzsKgKvgq9GuagkB/0++rthE+mlwdCUguw2TE3F0uyGB7nRpoGa7JNqlAGYU6cgDS KUmCB3v6cz0Xm5jGCtCk68horwsFreGXvhTSASTtEl3r3WrSRzcWODSXSnddb8psQYHT MVJP4vrJr0QOOq2t+NiwGbnKrp7++tfZBdw1yskCgudqxSqm+flriaCSa4KJGp4qgss9 kN5S9SCZYavrlGDVCcd+8Nm+gtU7e+udlfB1fhGF3bcEgN8xYcUXjQq3+rVAetNbkZeT lQkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695039115; x=1695643915; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:user-agent:mime-version:date :message-id:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=nk6sK+L98Z0Oqp/nQXgUvAOvctfkomMX7KeuEQexiso=; b=By3zPsgAgo99b0U3dwrTq+7bW1J8ADbmmhVj9blOGgY8ghkDHuiXJp3HD4LVBRQGXu tH6bo0uIGyx0X0cjOfdmWRuZ7RkhQcKjLlPYIOTG8Vi4BJrAqTCtAmhPEZaXoyfqyW57 8A+z57ook+M0ekK8BCIaViygpuGYTCHM65qK8GNt3+XdJR1HtLB4u+0tGfgEQi09i/wV tLfz25AWUnSWhSeqqsqPF1ENAr2h8bTCRsT14T7zBJmwlsUtgUGYcIrPJmnXPu6C+hXq Kvj3jldJ/tx5zGY4+KKW9cxL1qhh3EZZzszEjwGJzJbIjxdoVg70L4VOWqB6YNKJSGdz t5hw== X-Gm-Message-State: AOJu0Yy7MUVqsLbiq2bHVEtaf31/N8ach21AmbadZKnZ3OY9d+fbqkF7 s8FOzpDdM0ctpPUEO5AkS8CwwW+AngSEtIsD X-Google-Smtp-Source: AGHT+IEqLV8hsB03yHLXw+Cq3V5jwj6IAWDD/c9Y7nuaCJs4/WixifxU6P91e6lueQleY5d+eTi26g== X-Received: by 2002:a1c:7c0e:0:b0:403:cab3:b763 with SMTP id x14-20020a1c7c0e000000b00403cab3b763mr7651013wmc.33.1695039114627; Mon, 18 Sep 2023 05:11:54 -0700 (PDT) Received: from [192.168.7.59] (54-240-197-228.amazon.com. [54.240.197.228]) by smtp.gmail.com with ESMTPSA id y14-20020a7bcd8e000000b004030e8ff964sm15244651wmj.34.2023.09.18.05.11.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 18 Sep 2023 05:11:54 -0700 (PDT) From: Paul Durrant X-Google-Original-From: Paul Durrant Message-ID: <3cf7adca-aa69-4ac8-ca92-f10b1bd2e163@xen.org> Date: Mon, 18 Sep 2023 13:11:53 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.15.0 Reply-To: paul@xen.org Subject: Re: [PATCH v2 05/12] KVM: pfncache: allow a cache to be activated with a fixed (userspace) HVA Content-Language: en-US To: David Woodhouse , kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Paul Durrant , Paolo Bonzini References: <20230918112148.28855-1-paul@xen.org> <20230918112148.28855-6-paul@xen.org> Organization: Xen Project In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/09/2023 12:34, David Woodhouse wrote: > On Mon, 2023-09-18 at 11:21 +0000, Paul Durrant wrote: >> From: Paul Durrant >> >> Some cached pages may actually be overlays on guest memory that have a >> fixed HVA within the VMM. It's pointless to invalidate such cached >> mappings if the overlay is moved so allow a cache to be activated directly >> with the HVA to cater for such cases. A subsequent patch will make use >> of this facility. >> >> Signed-off-by: Paul Durrant > > Reviewed-by: David Woodhouse > > Btw, I think you have falsified some Reviewed-by: tags on the rest of > the series. Remember, if they aren't literally cut and pasted, the > magic gets lost. Just the same as Signed-off-by: tags. Never type them > for someone else. Indeed. They were all copied and pasted. Paul