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 5D8ACC433F5 for ; Sat, 14 May 2022 16:47:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234291AbiENQrQ (ORCPT ); Sat, 14 May 2022 12:47:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40548 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233562AbiENQrQ (ORCPT ); Sat, 14 May 2022 12:47:16 -0400 Received: from cmx-torrgo002.bell.net (mta-tor-003.bell.net [209.71.212.30]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 39AD03137B for ; Sat, 14 May 2022 09:47:13 -0700 (PDT) X-RG-CM-BuS: 0 X-RG-CM-SC: 0 X-RG-CM: Clean X-Originating-IP: [70.50.7.94] X-RG-Env-Sender: dave.anglin@bell.net X-RG-Rigid: 627A10BA00D03C0E X-CM-Envelope: MS4xfOMksjxXwfninAMIQkKQ8I3+iKJe36nzEYaOMmmL1RXS+HofnHnXhpck5vKZalp96pCLurQiSV3iyCcOottdqlLLF3/Cmk7/bVinaRHpPgGr+O4H/Jce KR+vV+QHQkTy9Gicdu9o1YQYBHPv0KYRELMWNElwSBcHl4Ebck1reHtFe0Gx8md7sfRMsRzNmqrkZN1X6OHXmNIy+eFD9xO9M2olESEgs0tOpWkMaSeyWHIA C1TKQJtGASCEXUWJbZD/9Tw4vR6DhUIKiAgYbBj+5xBtq/v9ghAukFH68IKk2jEwFDPMViVQIrVHCKThKL0JjVkO/HOPnTXuzgF6qDTrHJd8zOZnPSdishDn NBdJglJSNkI4PYKPP6DamhKu9RL7F46RcrT25JKq527355RvUYTbu8HFS5pAxHq509SL7Ecn X-CM-Analysis: v=2.4 cv=G99/r/o5 c=1 sm=1 tr=0 ts=627fdd04 a=9k1bCY7nR7m1ZFzoCuQ56g==:117 a=9k1bCY7nR7m1ZFzoCuQ56g==:17 a=IkcTkHD0fZMA:10 a=FBHGMhGWAAAA:8 a=48wWPq5cR6GzFqV75LMA:9 a=QEXdDO2ut3YA:10 a=9gvnlMMaQFpL9xblJ6ne:22 Received: from [192.168.2.49] (70.50.7.94) by cmx-torrgo002.bell.net (5.8.807) (authenticated as dave.anglin@bell.net) id 627A10BA00D03C0E; Sat, 14 May 2022 12:47:00 -0400 Message-ID: Date: Sat, 14 May 2022 12:47:00 -0400 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.0 Subject: Re: [PATCH AUTOSEL 5.17 21/21] Revert "parisc: Fix patch code locking and flushing" Content-Language: en-US To: Sasha Levin , Helge Deller Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, James.Bottomley@hansenpartnership.com, linux-parisc@vger.kernel.org References: <20220510154340.153400-1-sashal@kernel.org> <20220510154340.153400-21-sashal@kernel.org> <37d6bcac-bca4-06a6-ecab-bf83bd3468cd@gmx.de> From: John David Anglin 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 2022-05-14 12:24 p.m., Sasha Levin wrote: > On Tue, May 10, 2022 at 05:49:31PM +0200, Helge Deller wrote: >> Hello Sascha, >> >> please drop this patch from all your stable-series queues.... >> It shouldn't be backported. > > I've dropped it, but... why? It exposed a problem in the kernel flush code for PA 1.x machines. The patch works okay on all PA 2.0 machines.  It also works on PA 1.x machines when flush_cache_all is used to flush changes to memory. Helge is investigating PA 1.x problem. -- John David Anglin dave.anglin@bell.net