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=-9.5 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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=ham 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 67074C07E96 for ; Thu, 8 Jul 2021 14:40:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5008F61625 for ; Thu, 8 Jul 2021 14:40:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231993AbhGHOnY (ORCPT ); Thu, 8 Jul 2021 10:43:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229738AbhGHOnX (ORCPT ); Thu, 8 Jul 2021 10:43:23 -0400 Received: from mail-pg1-x52d.google.com (mail-pg1-x52d.google.com [IPv6:2607:f8b0:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EEBC2C061574; Thu, 8 Jul 2021 07:40:40 -0700 (PDT) Received: by mail-pg1-x52d.google.com with SMTP id v7so6189183pgl.2; 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=KY3IZP+h3AWsRkeE4s9gY9cY43Evi421zJH5RBBFZBybGM7r4r8RUU1jYi8gHH97qL 9vne1E7MW6n3DHCdSfm2jGVqmkMeIYeV4dGWoaoggmukovV/foWZpRpNJdtAL6eyHOZI kzttcE4fWJ95uKQmg9EnWJfGh1jhDu4zH7uVofyCxf5IakG9Xc9Iv144g9fxxx9NZYbb PG1hQYnB1OaB7RSk94f+JwKfqi/A2nSj4HSaMh6LRa96ymGs6sqDuJtWMs1zgy4GqY47 MzCoNu7eenoovkmzzRAEO6XYW29fSmLU/TfKDJ1wsXm8aY8+wApJdd8/Bo4lorvvKxOL vkEw== X-Gm-Message-State: AOAM530jAu/5I7cDPcuflCVWU5ES5W4xDO4+lKDBYYiCrOFQpq8w3uX8 PjJy5MjpQSMUdLJnyD9x3n4= 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 Cc: kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, wei.liu@kernel.org, decui@microsoft.com, tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, x86@kernel.org, hpa@zytor.com, dave.hansen@linux.intel.com, luto@kernel.org, peterz@infradead.org, konrad.wilk@oracle.com, boris.ostrovsky@oracle.com, jgross@suse.com, sstabellini@kernel.org, joro@8bytes.org, will@kernel.org, davem@davemloft.net, kuba@kernel.org, jejb@linux.ibm.com, martin.petersen@oracle.com, arnd@arndb.de, hch@lst.de, m.szyprowski@samsung.com, robin.murphy@arm.com, rppt@kernel.org, akpm@linux-foundation.org, kirill.shutemov@linux.intel.com, Tianyu.Lan@microsoft.com, thomas.lendacky@amd.com, ardb@kernel.org, nramas@linux.microsoft.com, robh@kernel.org, keescook@chromium.org, rientjes@google.com, pgonda@google.com, martin.b.radev@gmail.com, hannes@cmpxchg.org, saravanand@fb.com, krish.sadhukhan@oracle.com, xen-devel@lists.xenproject.org, tj@kernel.org, michael.h.kelley@microsoft.com, iommu@lists.linux-foundation.org, linux-arch@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, netdev@vger.kernel.org, vkuznets@redhat.com, brijesh.singh@amd.com, anparri@microsoft.com 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-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Hi Olaf: On 7/8/2021 3:34 PM, Olaf Hering wrote: > On Wed, Jul 07, Tianyu Lan wrote: > >> +++ b/include/asm-generic/mshyperv.h >> @@ -34,8 +34,18 @@ struct ms_hyperv_info { > >> void __percpu **ghcb_base; > > It would be cool if the cover letter states which commit id this series is based on. Thanks for your reminder. I will add this in the later version. This patchset is rebased on Hyper-V next branch with Swiotlb “Restricted DMA“ patches from Claire Chang https://lore.kernel.org/lkml/20210624155526.2775863-1-tientzu@chromium.org/