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[2620:137:e000::1:20]) by mx.google.com with ESMTP id z185-20020a6333c2000000b0053efd7561e1si6094435pgz.287.2023.05.30.12.36.45; Tue, 30 May 2023 12:37:00 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="GNR0A/te"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232592AbjE3S62 (ORCPT + 99 others); Tue, 30 May 2023 14:58:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231326AbjE3S60 (ORCPT ); Tue, 30 May 2023 14:58:26 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A4FF102 for ; Tue, 30 May 2023 11:58:25 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 2F9FD60B5E for ; Tue, 30 May 2023 18:58:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 537C5C433EF; Tue, 30 May 2023 18:58:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1685473104; bh=Wcn8rTNMfHUm/2FhfeLj6sJFQcGyH6K3vwEAzxGCG1M=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=GNR0A/teOgfBoL20HGARL8/z8Grux+xbL11AyBOm6Vf8SyUEA4Wv6EeSYiSAECyBE M3Kde92E4Qp7raHOXychx2DcIyhPL+g46yHI3ZWVF+UoOo5ygziBPf+/wDvvmkY7Y+ n1+GUvx4JDRv2NBjZUaXWE+sDVBGk9AkQxf0Zjap+CUoirJAjjbOe9gx1HKBgS3bA7 OBzrz7kdcz3KJuFl35lsEi4z94SlGiZQmPiJqgNOPKapVAvlm/uwrJdkkIjZVgZaYB mIGULaIsmxDg7UYeEQftPmthKGo9erwS10y4KyqI6OWv5ocikVx8qpgwWB0Z+RMyTW pnTHpDb0xg97w== Date: Tue, 30 May 2023 13:58:22 -0500 From: Bjorn Helgaas To: Sui Jingfeng Cc: Lucas Stach , Russell King , Christian Gmeiner , David Airlie , Daniel Vetter , linux-kernel@vger.kernel.org, etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org, loongson-kernel@lists.loongnix.cn Subject: Re: [PATCH v6 6/6] drm/etnaviv: allow usperspace create cached coherent bo Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230530160643.2344551-7-suijingfeng@loongson.cn> X-Spam-Status: No, score=-4.6 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham 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-kernel@vger.kernel.org s/usperspace/userspace/ (in subject) On Wed, May 31, 2023 at 12:06:43AM +0800, Sui Jingfeng wrote: > cached system RAM is coherent on loongson CPUs, and the GPU and DC allways > snoop the CPU's cache. write-combine caching property is not suitiable for > us. s/allways/always/ s/suitiable/suitable/