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=-7.3 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 97FA0C07E96 for ; Thu, 8 Jul 2021 14:40:45 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [140.211.166.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3C19B61625 for ; Thu, 8 Jul 2021 14:40:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3C19B61625 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=iommu-bounces@lists.linux-foundation.org Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id 0B3D341D08; Thu, 8 Jul 2021 14:40:45 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id JVEq9T8LJHui; Thu, 8 Jul 2021 14:40:44 +0000 (UTC) Received: from lists.linuxfoundation.org (lf-lists.osuosl.org [140.211.9.56]) by smtp2.osuosl.org (Postfix) with ESMTPS id EB99840566; Thu, 8 Jul 2021 14:40:43 +0000 (UTC) Received: from lf-lists.osuosl.org (localhost [127.0.0.1]) by lists.linuxfoundation.org (Postfix) with ESMTP id AAD02C001F; Thu, 8 Jul 2021 14:40:43 +0000 (UTC) Received: from smtp2.osuosl.org (smtp2.osuosl.org [IPv6:2605:bc80:3010::133]) by lists.linuxfoundation.org (Postfix) with ESMTP id E3A5EC000E for ; Thu, 8 Jul 2021 14:40:41 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by smtp2.osuosl.org (Postfix) with ESMTP id C3D0C41D0C for ; Thu, 8 Jul 2021 14:40:41 +0000 (UTC) X-Virus-Scanned: amavisd-new at osuosl.org Received: from smtp2.osuosl.org ([127.0.0.1]) by localhost (smtp2.osuosl.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id w25G3F-ujZOG for ; Thu, 8 Jul 2021 14:40:41 +0000 (UTC) X-Greylist: whitelisted by SQLgrey-1.8.0 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by smtp2.osuosl.org (Postfix) with ESMTPS id 1665E41D07 for ; Thu, 8 Jul 2021 14:40:40 +0000 (UTC) Received: by mail-pg1-x529.google.com with SMTP id f5so6171672pgv.3 for ; Thu, 08 Jul 2021 07:40:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=YXjZj7OhvPZJaAtT6Qwq7/8ZjjZCmfNtMSr8qDj8MRU=; b=ayW8QQM2efuvpdH0iOtsj9sDatgzjNkhl4+y/ouwe04BZcpt7tSpZSztZE1HcOshdP QXaUNAf/1sngsBP+5ZL0dubNDykY4vKK6b9Wmf6V3NS5iLDuzZvWuWys1GP5fH3k/OTC tYDRBkngjXQYqPF3DQewzYEvp4aC50Y/xFZW27B7I7FoSeruMrEakyjTyq4nU9lq5OXG 9pEOEVcjBjM/2JuAGoOCNl8yharry3mPga7LZqh8ptcnsE3cQjXBDpSs+J18TjrzoZin UJfMRAaQiH9cX09/xDZhBpWcjIM9jra7EdcFVO0s5QSQNR3e2+qLq6ocQLn3NXgEDy83 /jFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=YXjZj7OhvPZJaAtT6Qwq7/8ZjjZCmfNtMSr8qDj8MRU=; b=aOc8wnd6nmXOq94Og7fRMhMv4froRgK3wRKfFr6GjR4U4jTJp4z3n6BcRfxhb2J/c3 QNP2w+o6xZVdRN//SJTxSFwaO9a6FyUH4HNl86fwKR83Hk0U7haBx3MPAbDcWAkT9rLL xTK3Plq/ygn6xMApPQUITYFVbYt2ciiDZqAoTEoSqE1B0AE/YFLNmyxI9+mwqfDeuEQO LP1zXWw5dWqLZsAZEo4vWVNPTsZL4+/kaejr1YkYbm7KrvY+r2+SlgJMSDXTjcltDssx ioEhLeoqgobgf5sC+DNUV4btwGzw9weJ+OCRPezSf4/1sKlwGD5iHbi1AFs5W8g+Xpvd Bl8Q== X-Gm-Message-State: AOAM530YdA2swcOL9OCh9NJj/YZJdeeLXUTtj4nS4AMDdpL3PR5ZZZNO 3/ob5rqIQaz6fASsTP1IQwY= X-Google-Smtp-Source: ABdhPJwsdOgUCGltloBXaOdJeRrQgvHkqG47NpBLcd9gNcAJ5PSk2V3aVVR6tD13omBoKJiA4S0mBQ== X-Received: by 2002:aa7:818a:0:b029:309:a073:51cb with SMTP id g10-20020aa7818a0000b0290309a07351cbmr31830476pfi.40.1625755240540; Thu, 08 Jul 2021 07:40:40 -0700 (PDT) Received: from ?IPv6:2404:f801:0:5:8000::4b1? ([2404:f801:9000:18:efec::4b1]) by smtp.gmail.com with ESMTPSA id h20sm3216729pfn.173.2021.07.08.07.40.26 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Jul 2021 07:40:39 -0700 (PDT) Subject: Re: [RFC PATCH V4 01/12] x86/HV: Initialize shared memory boundary in the Isolation VM. To: Olaf Hering References: <20210707153456.3976348-1-ltykernel@gmail.com> <20210707153456.3976348-2-ltykernel@gmail.com> <20210708073400.GA28528@aepfle.de> From: Tianyu Lan Message-ID: <9b5d6843-67c5-066e-0997-995ec77e06b2@gmail.com> Date: Thu, 8 Jul 2021 22:40:24 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <20210708073400.GA28528@aepfle.de> Content-Language: en-US Cc: linux-hyperv@vger.kernel.org, brijesh.singh@amd.com, peterz@infradead.org, dave.hansen@linux.intel.com, hpa@zytor.com, anparri@microsoft.com, kys@microsoft.com, will@kernel.org, boris.ostrovsky@oracle.com, linux-arch@vger.kernel.org, robh@kernel.org, wei.liu@kernel.org, sstabellini@kernel.org, sthemmin@microsoft.com, xen-devel@lists.xenproject.org, linux-scsi@vger.kernel.org, x86@kernel.org, decui@microsoft.com, hch@lst.de, michael.h.kelley@microsoft.com, nramas@linux.microsoft.com, mingo@redhat.com, pgonda@google.com, rientjes@google.com, kuba@kernel.org, jejb@linux.ibm.com, martin.b.radev@gmail.com, thomas.lendacky@amd.com, Tianyu.Lan@microsoft.com, keescook@chromium.org, arnd@arndb.de, konrad.wilk@oracle.com, haiyangz@microsoft.com, tj@kernel.org, bp@alien8.de, luto@kernel.org, krish.sadhukhan@oracle.com, tglx@linutronix.de, vkuznets@redhat.com, jgross@suse.com, martin.petersen@oracle.com, saravanand@fb.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, kirill.shutemov@linux.intel.com, hannes@cmpxchg.org, ardb@kernel.org, akpm@linux-foundation.org, robin.murphy@arm.com, davem@davemloft.net, rppt@kernel.org X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Errors-To: iommu-bounces@lists.linux-foundation.org Sender: "iommu" SGkgT2xhZjoKCk9uIDcvOC8yMDIxIDM6MzQgUE0sIE9sYWYgSGVyaW5nIHdyb3RlOgo+IE9uIFdl ZCwgSnVsIDA3LCBUaWFueXUgTGFuIHdyb3RlOgo+IAo+PiArKysgYi9pbmNsdWRlL2FzbS1nZW5l cmljL21zaHlwZXJ2LmgKPj4gQEAgLTM0LDggKzM0LDE4IEBAIHN0cnVjdCBtc19oeXBlcnZfaW5m byB7Cj4gCj4+ICAgCXZvaWQgIF9fcGVyY3B1ICoqZ2hjYl9iYXNlOwo+IAo+IEl0IHdvdWxkIGJl IGNvb2wgaWYgdGhlIGNvdmVyIGxldHRlciBzdGF0ZXMgd2hpY2ggY29tbWl0IGlkIHRoaXMgc2Vy aWVzIGlzIGJhc2VkIG9uLgoKVGhhbmtzIGZvciB5b3VyIHJlbWluZGVyLiBJIHdpbGwgYWRkIHRo aXMgaW4gdGhlIGxhdGVyIHZlcnNpb24uClRoaXMgcGF0Y2hzZXQgaXMgcmViYXNlZCBvbiBIeXBl ci1WIG5leHQgYnJhbmNoIHdpdGggU3dpb3RsYiAK4oCcUmVzdHJpY3RlZCBETUHigJwgcGF0Y2hl cyBmcm9tIENsYWlyZSBDaGFuZyA8dGllbnR6dUBjaHJvbWl1bS5vcmc+CiAKaHR0cHM6Ly9sb3Jl Lmtlcm5lbC5vcmcvbGttbC8yMDIxMDYyNDE1NTUyNi4yNzc1ODYzLTEtdGllbnR6dUBjaHJvbWl1 bS5vcmcvCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmlv bW11IG1haWxpbmcgbGlzdAppb21tdUBsaXN0cy5saW51eC1mb3VuZGF0aW9uLm9yZwpodHRwczov L2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5mby9pb21tdQ==