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 X-Spam-Level: X-Spam-Status: No, score=-3.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73502C2BA17 for ; Mon, 6 Apr 2020 16:15:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4353F2486F for ; Mon, 6 Apr 2020 16:15:50 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="qmjZ22P/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728984AbgDFQPt (ORCPT ); Mon, 6 Apr 2020 12:15:49 -0400 Received: from mail26.static.mailgun.info ([104.130.122.26]:47218 "EHLO mail26.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728907AbgDFQPt (ORCPT ); Mon, 6 Apr 2020 12:15:49 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1586189748; h=Date: Message-Id: Cc: To: References: In-Reply-To: From: Subject: Content-Transfer-Encoding: MIME-Version: Content-Type: Sender; bh=R+Q0VQ+Lxe495OE3/cv8b8RjoRexBxIsVjg2HvlPqtc=; b=qmjZ22P/jrapvvo2lU1rnQrJycRb8acQuFr47PN+Hlkm3APIxIVEnpzuikIZHSdNGvjLFhE3 GGyoQODAiAGwaVS7XxBPVKCqZYl6FgFnkJTsuzoAIB31W6olshuUEV+G++2it1ZEN2uMgG1X AY0fBmdT6Jwetjjf0Q5TQ6qBEww= X-Mailgun-Sending-Ip: 104.130.122.26 X-Mailgun-Sid: WyI3YTAwOSIsICJsaW51eC13aXJlbGVzc0B2Z2VyLmtlcm5lbC5vcmciLCAiYmU5ZTRhIl0= Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e8b559d.7feb33db66c0-smtp-out-n02; Mon, 06 Apr 2020 16:15:25 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 3CBFAC43636; Mon, 6 Apr 2020 16:15:24 +0000 (UTC) Received: from potku.adurom.net (88-114-240-156.elisa-laajakaista.fi [88.114.240.156]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: kvalo) by smtp.codeaurora.org (Postfix) with ESMTPSA id 87BD3C433D2; Mon, 6 Apr 2020 16:15:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 87BD3C433D2 Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=kvalo@codeaurora.org Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [PATCH] ath10k: Fix the race condition in firmware dump work queue From: Kalle Valo In-Reply-To: <1585213077-28439-1-git-send-email-mkenna@codeaurora.org> References: <1585213077-28439-1-git-send-email-mkenna@codeaurora.org> To: Maharaja Kennadyrajan Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, Maharaja Kennadyrajan , Govindaraj Saminathan User-Agent: pwcli/0.0.0-git (https://github.com/kvalo/pwcli/) Python/2.7.12 Message-Id: <20200406161524.3CBFAC43636@smtp.codeaurora.org> Date: Mon, 6 Apr 2020 16:15:24 +0000 (UTC) Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org Maharaja Kennadyrajan wrote: > There is a race condition, when the user writes 'hw-restart' and > 'hard' in the simulate_fw_crash debugfs file without any delay. > In the above scenario, the firmware dump work queue(scheduled by > 'hard') should be handled gracefully, while the target is in the > 'hw-restart'. > > Tested HW: QCA9984 > Tested FW: 10.4-3.9.0.2-00044 > > Co-developed-by: Govindaraj Saminathan > Signed-off-by: Govindaraj Saminathan > Signed-off-by: Maharaja Kennadyrajan > Signed-off-by: Kalle Valo Patch applied to ath-next branch of ath.git, thanks. 3d1c60460fb2 ath10k: Fix the race condition in firmware dump work queue -- https://patchwork.kernel.org/patch/11459703/ https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches