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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id u5-20020a170902bf4500b00153b2d16525si20752362pls.301.2022.03.30.21.24.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Mar 2022 21:24:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=casper.20170209 header.b=gp2AC7YF; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id EAA2E1B8FFE; Wed, 30 Mar 2022 20:20:46 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235365AbiC3VbA (ORCPT + 99 others); Wed, 30 Mar 2022 17:31:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232691AbiC3Va7 (ORCPT ); Wed, 30 Mar 2022 17:30:59 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C9585201AC; Wed, 30 Mar 2022 14:29:13 -0700 (PDT) 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> X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org 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.