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 36E88C7618E for ; Wed, 26 Apr 2023 05:17:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239298AbjDZFQ6 convert rfc822-to-8bit (ORCPT ); Wed, 26 Apr 2023 01:16:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229537AbjDZFQ5 (ORCPT ); Wed, 26 Apr 2023 01:16:57 -0400 Received: from rtits2.realtek.com.tw (rtits2.realtek.com [211.75.126.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7257AE77; Tue, 25 Apr 2023 22:16:56 -0700 (PDT) Authenticated-By: X-SpamFilter-By: ArmorX SpamTrap 5.77 with qID 33Q5GeAS2024798, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (rtexh36505.realtek.com.tw[172.21.6.25]) by rtits2.realtek.com.tw (8.15.2/2.81/5.90) with ESMTPS id 33Q5GeAS2024798 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Wed, 26 Apr 2023 13:16:40 +0800 Received: from RTEXMBS06.realtek.com.tw (172.21.6.99) by RTEXH36505.realtek.com.tw (172.21.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.32; Wed, 26 Apr 2023 13:16:42 +0800 Received: from RTEXMBS04.realtek.com.tw (172.21.6.97) by RTEXMBS06.realtek.com.tw (172.21.6.99) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.34; Wed, 26 Apr 2023 13:16:42 +0800 Received: from RTEXMBS04.realtek.com.tw ([fe80::e138:e7f1:4709:ff4d]) by RTEXMBS04.realtek.com.tw ([fe80::e138:e7f1:4709:ff4d%5]) with mapi id 15.01.2375.007; Wed, 26 Apr 2023 13:16:42 +0800 From: Ping-Ke Shih To: Kalle Valo CC: "stable@vger.kernel.org" , "Larry.Finger@lwfinger.net" , "linux-wireless@vger.kernel.org" Subject: RE: [PATCH v2] wifi: rtw89: 8852b: adjust quota to avoid SER L1 caused by access null page Thread-Topic: [PATCH v2] wifi: rtw89: 8852b: adjust quota to avoid SER L1 caused by access null page Thread-Index: AQHZd/Hz8jfIqQlRsk2YCNNYFfVAca89Cv/9gAAArBA= Date: Wed, 26 Apr 2023 05:16:41 +0000 Message-ID: References: <20230426034737.24870-1-pkshih@realtek.com> <87r0s7teik.fsf@kernel.org> In-Reply-To: <87r0s7teik.fsf@kernel.org> Accept-Language: en-US, zh-TW Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.69.188] x-kse-serverinfo: RTEXMBS06.realtek.com.tw, 9 x-kse-antispam-interceptor-info: fallback x-kse-antivirus-interceptor-info: fallback Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-ServerInfo: RTEXH36505.realtek.com.tw, 9 X-KSE-AntiSpam-Interceptor-Info: fallback X-KSE-Antivirus-Interceptor-Info: fallback X-KSE-AntiSpam-Interceptor-Info: fallback Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org > -----Original Message----- > From: Kalle Valo > Sent: Wednesday, April 26, 2023 1:10 PM > To: Ping-Ke Shih > Cc: stable@vger.kernel.org; Larry.Finger@lwfinger.net; linux-wireless@vger.kernel.org > Subject: Re: [PATCH v2] wifi: rtw89: 8852b: adjust quota to avoid SER L1 caused by access null page > > Ping-Ke Shih writes: > > > Though SER can recover this case, traffic can get stuck for a while. Fix it > > by adjusting page quota to avoid hardware access null page of CMAC/DMAC. > > > > Fixes: a1cb097168fa ("wifi: rtw89: 8852b: configure DLE mem") > > Fixes: 3e870b481733 ("wifi: rtw89: 8852b: add HFC quota arrays") > > Cc: stable@vger.kernel.org > > Tested-by: Larry Finger > > Link: https://github.com/lwfinger/rtw89/issues/226#issuecomment-1520776761 > > Link: https://github.com/lwfinger/rtw89/issues/240 > > Signed-off-by: Ping-Ke Shih > > --- > > v2: add Fixes, Cc and Tested-by tags suggested by Larry. > > Should this go to wireless tree for v6.4? > Yes, please take it to v6.4. People can get stable connection with this fix. Thank you Ping-Ke