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 E2A1BC04A95 for ; Sun, 25 Sep 2022 18:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230128AbiIYSrD (ORCPT ); Sun, 25 Sep 2022 14:47:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39586 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230465AbiIYSrC (ORCPT ); Sun, 25 Sep 2022 14:47:02 -0400 X-Greylist: delayed 154 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Sun, 25 Sep 2022 11:47:00 PDT Received: from cmx-mtlrgo002.bell.net (mta-mtl-005.bell.net [209.71.208.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D79C22C13A for ; Sun, 25 Sep 2022 11:47:00 -0700 (PDT) X-RG-CM-BuS: 0 X-RG-CM-SC: 0 X-RG-CM: Clean X-Originating-IP: [174.95.58.43] X-RG-Env-Sender: dave.anglin@bell.net X-RG-Rigid: 6324753403FDC356 X-CM-Envelope: MS4xfDfDWcRtjV2QMAnmrB8O+V1KoUGg3AuPxM42EuGMyWkBpKR1c4tKxbh5FWkkkBwo8uMuLYePTmNQkjZ/Kjr6ICBPIQ9099fjT/+BaNrtveGu9KdZjdy+ VMVJDWsWZ4O4jsHsIyGC4W5BRX84MqcfTJML0Q7M2N97/xUihBem4fQV8AF7pMVfZQRoAbHu5IBc8sQuQ8X4i/UxY/fM2RIQquFX1/dhWrQQ2QSvNjUz0xta XXGunpaFRLmWsMkOYfgk0Ci0N0PZOKi7BNRga0zgX6jVcDWhcZV11+wJWM8MQycPPCmiFFp4y3ymcPZ/ZDNfkSWMI9SeYeVTMmulbIQX6NQ= X-CM-Analysis: v=2.4 cv=FMx4e8ks c=1 sm=1 tr=0 ts=6330a186 a=oiJDitmlNOPgVxj52MZyFw==:117 a=oiJDitmlNOPgVxj52MZyFw==:17 a=IkcTkHD0fZMA:10 a=FBHGMhGWAAAA:8 a=vyv49nM3nKlf-l5PmgsA:9 a=QEXdDO2ut3YA:10 a=9gvnlMMaQFpL9xblJ6ne:22 Received: from [192.168.2.49] (174.95.58.43) by cmx-mtlrgo002.bell.net (5.8.807) (authenticated as dave.anglin@bell.net) id 6324753403FDC356; Sun, 25 Sep 2022 14:44:22 -0400 Message-ID: Date: Sun, 25 Sep 2022 14:44:22 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.3.0 Subject: Re: [PATCH][RFC] parisc: Use local tlb purges only on UP machines Content-Language: en-US From: John David Anglin To: Helge Deller , linux-parisc@vger.kernel.org, James Bottomley References: <92a8b235-7d04-9931-a153-440adbc8802a@gmx.de> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-parisc@vger.kernel.org On 2022-09-25 2:19 p.m., John David Anglin wrote: >> One goal of that patch was to drop the CONFIG_PA20 ifdef case, >> because a 32-bit kernel could be compiled for PA8000 in which case >> the "pdtlb,l" will burn the machine. > Don't think so.  "pdtlb,l" is available on all PA 2.0 machines. It's not 64-bit specific. There is some difference in implementation between PA 1.1 and 2.0. 64-bit register values are used in the PA 2.0 implementation. Dave -- John David Anglin dave.anglin@bell.net