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[2620:137:e000::1:18]) by mx.google.com with ESMTPS id m14-20020a634c4e000000b003816043f0f2si1885971pgl.743.2022.04.12.13.26.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Apr 2022 13:26:34 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-wireless-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; spf=pass (google.com: domain of linux-wireless-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id B3A1AA2073; Tue, 12 Apr 2022 13:05:42 -0700 (PDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243827AbiDLNX4 (ORCPT + 70 others); Tue, 12 Apr 2022 09:23:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1355904AbiDLNWR (ORCPT ); Tue, 12 Apr 2022 09:22:17 -0400 Received: from www262.sakura.ne.jp (www262.sakura.ne.jp [202.181.97.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AFD311E9 for ; Tue, 12 Apr 2022 06:12:02 -0700 (PDT) Received: from fsav118.sakura.ne.jp (fsav118.sakura.ne.jp [27.133.134.245]) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTP id 23CDBrGX009519; Tue, 12 Apr 2022 22:11:53 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Received: from www262.sakura.ne.jp (202.181.97.72) by fsav118.sakura.ne.jp (F-Secure/fsigk_smtp/550/fsav118.sakura.ne.jp); Tue, 12 Apr 2022 22:11:53 +0900 (JST) X-Virus-Status: clean(F-Secure/fsigk_smtp/550/fsav118.sakura.ne.jp) Received: from [192.168.1.9] (M106072142033.v4.enabler.ne.jp [106.72.142.33]) (authenticated bits=0) by www262.sakura.ne.jp (8.15.2/8.15.2) with ESMTPSA id 23CDBqW1009516 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NO); Tue, 12 Apr 2022 22:11:52 +0900 (JST) (envelope-from penguin-kernel@I-love.SAKURA.ne.jp) Message-ID: <033f49bc-cc31-7384-7a7c-5d3c45ce9594@I-love.SAKURA.ne.jp> Date: Tue, 12 Apr 2022 22:11:53 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 6.3; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH 09/10] staging: wfx: ensure HIF request has been sent before polling Content-Language: en-US To: Jerome Pouiller , linux-wireless , Kalle Valo References: <20220225112405.355599-1-Jerome.Pouiller@silabs.com> <20220225112405.355599-10-Jerome.Pouiller@silabs.com> From: Tetsuo Handa In-Reply-To: <20220225112405.355599-10-Jerome.Pouiller@silabs.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-3.0 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, RDNS_NONE,SPF_HELO_NONE,T_SCC_BODY_TEXT_LINE autolearn=unavailable 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-wireless@vger.kernel.org Hello. I found that commit c86176d51340d5ee ("staging: wfx: ensure HIF request has been sent before polling") started using flush_workqueue(system_highpri_wq). But please avoid flushing system-wide workqueues, for flushing system-wide workqueues is dangerous and will be forbidden. Link: https://lkml.kernel.org/r/49925af7-78a8-a3dd-bce6-cfc02e1a9236@I-love.SAKURA.ne.jp