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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2F24DC433F5 for ; Wed, 30 Mar 2022 21:29:15 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id AA4446B0072; Wed, 30 Mar 2022 17:29:14 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id A53318D0002; Wed, 30 Mar 2022 17:29:14 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 91B628D0001; Wed, 30 Mar 2022 17:29:14 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0051.hostedemail.com [216.40.44.51]) by kanga.kvack.org (Postfix) with ESMTP id 7F8C66B0072 for ; Wed, 30 Mar 2022 17:29:14 -0400 (EDT) Received: from smtpin22.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 28749A6316 for ; Wed, 30 Mar 2022 21:29:14 +0000 (UTC) X-FDA: 79302343428.22.D52C186 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) by imf16.hostedemail.com (Postfix) with ESMTP id 6CE1D180006 for ; Wed, 30 Mar 2022 21:29:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Zg8QPhUnRt/Hkzrm5cK28VQZtjF5KNBpCqCGW4kGEzU=; b=gp2AC7YFCqYvCrXLC6M96E8zJ/ wdbCazu0QWFmo2yWhiwDbt3O0LjagGcn4IuiW3kKlxDkIAICH5QTHAPGTzAm5iufn2OXW7f6V7uUC ovTtJo90zGzlnzULvissA0T9mkrV+FgN3y5UukAnIkPA+2NW0mXIwC3z4AQSFzN7ArhKnHg2jrfLk 5SmSXpGlRFRJA448QClwxbyejE3sJeyc7xXl+PwT+mdAJz5h4qSdzSF9Z0D4C0yzyyTUFpUsuFQnE HoorQOmrMhmn0sA8AKOlwOZznwnrRNuDhI/FZv1otAO07OJQgnEpqYVTBdF0wrcNLrRpqol7lcMAb TfMfNV/A==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nZfsH-001ah9-Na; Wed, 30 Mar 2022 21:29:05 +0000 Date: Wed, 30 Mar 2022 22:29:05 +0100 From: Matthew Wilcox To: Alex Sierra Cc: jgg@nvidia.com, david@redhat.com, Felix.Kuehling@amd.com, linux-mm@kvack.org, rcampbell@nvidia.com, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org, hch@lst.de, jglisse@redhat.com, apopple@nvidia.com, akpm@linux-foundation.org Subject: Re: [PATCH] drm/amdkfd: Add SVM API support capability bits Message-ID: References: <20220330212420.12003-1-alex.sierra@amd.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220330212420.12003-1-alex.sierra@amd.com> Authentication-Results: imf16.hostedemail.com; dkim=pass header.d=infradead.org header.s=casper.20170209 header.b=gp2AC7YF; spf=none (imf16.hostedemail.com: domain of willy@infradead.org has no SPF policy when checking 90.155.50.34) smtp.mailfrom=willy@infradead.org; dmarc=none X-Stat-Signature: i3p6f5xdtfnhi4tpmctkojzotqgjgicx X-Rspam-User: X-Rspamd-Server: rspam12 X-Rspamd-Queue-Id: 6CE1D180006 X-HE-Tag: 1648675753-200492 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Mar 30, 2022 at 04:24:20PM -0500, Alex Sierra wrote: > From: Philip Yang > > SVMAPISupported property added to HSA_CAPABILITY, the value match > HSA_CAPABILITY defined in Thunk spec: > > SVMAPISupported: it will not be supported on older kernels that don't > have HMM or on systems with GFXv8 or older GPUs without support for > 48-bit virtual addresses. > > CoherentHostAccess property added to HSA_MEMORYPROPERTY, the value match > HSA_MEMORYPROPERTY defined in Thunk spec: > > CoherentHostAccess: whether or not device memory can be coherently > accessed by the host CPU. Could you translate this commit message into English? Reviewing Documentation/process/5.Posting.rst might be helpful.