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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9020EC7EE22 for ; Mon, 15 May 2023 22:28:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243631AbjEOW2V (ORCPT ); Mon, 15 May 2023 18:28:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40370 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231202AbjEOW2U (ORCPT ); Mon, 15 May 2023 18:28:20 -0400 Received: from cmx-mtlrgo002.bell.net (mta-mtl-005.bell.net [209.71.208.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9A4258A5B for ; Mon, 15 May 2023 15:28:19 -0700 (PDT) X-RG-CM-BuS: 0 X-RG-CM-SC: 0 X-RG-CM: Clean X-Originating-IP: [142.181.186.176] X-RG-Env-Sender: dave.anglin@bell.net X-RG-Rigid: 645FE0CF0030C386 X-RazorGate-Vade: gggruggvucftvghtrhhoucdtuddrgedvhedrfeehkedguddtucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuuefgnffnpdfqfgfvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpefkffggfgfuvfhfhfgjtgfgsehtjeertddtfeejnecuhfhrohhmpeflohhhnhcuffgrvhhiugcutehnghhlihhnuceouggrvhgvrdgrnhhglhhinhessggvlhhlrdhnvghtqeenucggtffrrghtthgvrhhnpefhieegtdduvdevteefvdefvdevtefgtefhieefhfevveevhfegfeefudejueekgfenucfkphepudegvddrudekuddrudekiedrudejieenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhephhgvlhhopegludelvddrudeikedrvddrgeelngdpihhnvghtpedugedvrddukedurddukeeirddujeeipdhmrghilhhfrhhomhepuggrvhgvrdgrnhhglhhinhessggvlhhlrdhnvghtpdhnsggprhgtphhtthhopeefpdhrtghpthhtohepuggrvhgvrdgrnhhglhhinhessggvlhhlrdhnvghtpdhrtghpthhtohepuggvlhhlvghrsehgmhigrdguvgdprhgtphhtthhopehlihhnuhigqdhprghrihhstgesvhhgvghrrdhkvghrnhgvlhdrohhrghdprghuthhhpghushgvrhepuggrvhgvrdgrnhhglhhinhessggvlhhlrdhnvghtpdhgvghokffrpeevtedpoffvtefjohhstheptghmgidqmhhtlhhrghhotddtvd X-CM-Envelope: MS4xfA49dB+jc5l7WSF5i9dHy9ruzMhoVfAblm5pW5CcQ4FxHkSrsBAxKmEgviK3H8z+H3A0ySuTVLVlKy0MKyZnulenbOjwaU5Yd9qRr+fYhVPIZHg5JQSC rymUM6cSRFged7dAMpu6KrYZ8k6T0fXt0paAOPPxDEaZ/KKHMiA0CWnb9RGXUO5WhgvAnOYIu9w+R4tMJw92xpRAVJrVmXVP5/2ao130EqN2+RM6mwP2KuTo ykmCUgIDfdCMLDlZQ77DF2tCEpDNnA2fKBxU3HcklxedvVMyiU/60bs5/h2TKvJx X-RazorGate-Vade-Verdict: clean 0 X-CM-Analysis: v=2.4 cv=Tf71CTch c=1 sm=1 tr=0 ts=6462b200 a=4B+q39mD0Bm0IdZjDiNhQQ==:117 a=4B+q39mD0Bm0IdZjDiNhQQ==:17 a=IkcTkHD0fZMA:10 a=FBHGMhGWAAAA:8 a=G5Gv66TajD-kTQwMLHwA:9 a=QEXdDO2ut3YA:10 a=ATlVsGG5QSsA:10 a=9gvnlMMaQFpL9xblJ6ne:22 X-RazorGate-Vade-Classification: clean Received: from [192.168.2.49] (142.181.186.176) by cmx-mtlrgo002.bell.net (5.8.814) (authenticated as dave.anglin@bell.net) id 645FE0CF0030C386; Mon, 15 May 2023 18:28:16 -0400 Message-ID: <4664024c-1312-64b5-5150-e60bf3fc49bb@bell.net> Date: Mon, 15 May 2023 18:28:17 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.11.0 Subject: Re: [PATCH] parisc: improve cach flushing in arch_sync_dma_for_cpu() Content-Language: en-US To: Helge Deller , linux-parisc@vger.kernel.org References: From: John David Anglin In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 2023-05-15 2:39 p.m., Helge Deller wrote: > + case DMA_BIDIRECTIONAL: > + flush_kernel_dcache_range(addr, size); > + purge_kernel_dcache_range_asm(addr, addr + size); I don't think flush and purge are both needed. Dave -- John David Anglin dave.anglin@bell.net