Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp929043pxu; Mon, 23 Nov 2020 07:34:49 -0800 (PST) X-Google-Smtp-Source: ABdhPJxf9JGK6O9W1Ki5bXtuuneuz2steXFijKmqc5P1M+Zb/bfMKDtePcz80USYfnqLBFhnb+XJ X-Received: by 2002:aa7:c986:: with SMTP id c6mr24116191edt.321.1606145689345; Mon, 23 Nov 2020 07:34:49 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606145689; cv=none; d=google.com; s=arc-20160816; b=uyexwjiVb5fJhahOkvt9Jww+s/YoVFkAN3EuOCKskM7J+7lheTBKvmRBbRLLf/+OH3 00DGTGNDkFa7to3mFywu+rh3R3XLuM8hY6aACbLv4sbzFshMCgj4nspY69WBp0WsGqf5 SSjsOiKa/h2WnSeWEazWzgQ1ocl/ykx3Y67bYRUCWv4uXXGREE6ggg1fzchPTk0hT8fV cvD3KmL8ge6h3NCfI+Rjd2ZFzK+bdqQax4X80VyA9NqGgzal0NACZ/daoXE2EsTlYMR4 I9WSq7WGE5ZfUmufKjpM5Qqkog5XHRouyTEZOxFwiEtBdq3USnPn1dZg2r5ZoxvuV5Wj Kg/Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:cc:to:subject:message-id:date:from:in-reply-to :references:mime-version; bh=DIYmatONslBJtx0vls11e+ppVgIv/t+HfpL12twmIjk=; b=GhJfrcl/8T5YZ4vUUprvIGLoseJ7oQvRi0x9yrQd6Cnq5jgcTKhkSsE3mf+KFdEQPo tFTBiimjJZg/Xd3obYf0GiVBlcJE71fmZH71JJcS6HJ4bF337/DBZ5oFYHomXTGu2XtH 8+gSXbBsxgX7bW1XSbOEre9MfQ17CLSET++STbvxicy/h5NR7Lk76JC/9xxOwkBZvp2b RU8LMt54TT7XI/itFl4m1w62iUNRmvNmpxHTc6I0PUHKQ8oP1c+V4kdGNJiQQRoXp0CD mZgOTErspBn08RRx9Hn7A5XjtpooG1JB21CDpzeglkRQwJIFf4xZr5OYgo2ulXvct04t L3rQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id g14si5814827edv.147.2020.11.23.07.34.25; Mon, 23 Nov 2020 07:34:49 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=canonical.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389510AbgKWPbk (ORCPT + 99 others); Mon, 23 Nov 2020 10:31:40 -0500 Received: from youngberry.canonical.com ([91.189.89.112]:49500 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389471AbgKWPbj (ORCPT ); Mon, 23 Nov 2020 10:31:39 -0500 Received: from mail-ed1-f69.google.com ([209.85.208.69]) by youngberry.canonical.com with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1khDoX-0007La-AC for linux-kernel@vger.kernel.org; Mon, 23 Nov 2020 15:31:37 +0000 Received: by mail-ed1-f69.google.com with SMTP id d3so6753647eds.3 for ; Mon, 23 Nov 2020 07:31:37 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=DIYmatONslBJtx0vls11e+ppVgIv/t+HfpL12twmIjk=; b=Fa/2Oh2bGgMTuVCcoT9MbOYFy8Wmv28zBw18Eetu8lNlFbB6STTaCcyJwuWcG9aXvA aRDm40AtqVhCdQhJ57Ee5zHJOTfSAuob+OmhI50JCGcdfHAFJ+wpxj+8BcJUA/VD5xn/ UpMwrYdtt7A5Pu8yBmHOmVs441U6ZtHQDApAO+7H2F2oFd9ZzH9pxFFswCipRhDnuePs edT8uROZqh/FAZdRaqF5W/wcOSFPWkQwRVk0V3rTWIQOw3iYOFr9dHS3FFFywD6j3Het 6/JGn/I1Ijq6oH4xpgaeIWU20wMUnAGRD35T2Ebp+1YoC8Td3cbZN9FIuQTuiopTGCjK Lnpw== X-Gm-Message-State: AOAM531QK9i+C1pieRr0Jq5cvK0JVqUDt3aenKQ0JdDvMqFvOtRcxs92 1N1vh+XmSxSmhO8787R1fpoYRALYFKggIeiDrYgMgV/AHtnpR9GJmCKgtGnQo5PLcflHLtVgHbw EWOyQwRPcxQZlpZw8hKY8aZExYWD3b/Gu1X5uPG5dz8Ve7/mseSvZZXh7mA== X-Received: by 2002:aa7:d298:: with SMTP id w24mr5994012edq.82.1606145497009; Mon, 23 Nov 2020 07:31:37 -0800 (PST) X-Received: by 2002:aa7:d298:: with SMTP id w24mr5993991edq.82.1606145496804; Mon, 23 Nov 2020 07:31:36 -0800 (PST) MIME-Version: 1.0 References: <20201104220804.21026-1-Ashish.Kalra@amd.com> In-Reply-To: <20201104220804.21026-1-Ashish.Kalra@amd.com> From: Guilherme Piccoli Date: Mon, 23 Nov 2020 12:31:00 -0300 Message-ID: Subject: Re: [PATCH v3] swiotlb: Adjust SWIOTBL bounce buffer size for SEV guests. To: Ashish Kalra Cc: Konrad Rzeszutek Wilk , Thomas.Lendacky@amd.com, brijesh.singh@amd.com, ssg.sos.patches@amd.com, dave.hansen@linux-intel.com, Peter Zijlstra , "the arch/x86 maintainers" , LKML , iommu@lists.linux-foundation.org, Ingo Molnar , Borislav Petkov , luto@kernel.org, "H. Peter Anvin" , Thomas Gleixner , Christoph Hellwig Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ashish, non-technical comment: in the subject, you might want to s/SWIOTBL/SWIOTLB . cheers, Guilherme