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=-16.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 8B2EFC433E0 for ; Tue, 22 Dec 2020 06:36:06 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D8B232255F for ; Tue, 22 Dec 2020 06:36:05 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D8B232255F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=9oK1cxIkjg9xkp9FmvQ/TdrGzRtzZUATkCcEuT/ie4Y=; b=yNM74zKI3oJR5RkTQ/0YTa/k+/ gl/QYFgxiaf9x1QnrX/exEO6ybKQahv/u/tOHXEaO49J/N5ZTH0xLhcjnlmSupdVToKkTlrZxJyeo S26po29ThFMlUvOxtmjOXMNtXNlKgU4Esstz97W43qR2SIhs7mEhzXqgZKpbY7b3M03IrUwBfBLtG 71tfSI8vdxhofRW62RWlZdirG1NQ0PDkDmllgv2M/d5YZWoS6jEiou4O7jh+LVejhEgwVp/3n9XQK uFZxNxMYzmdiq4fcjKNdNMLUpVVbCzfOD3h0j0j5D3d/D/W2vMCU/NJFy6MF1DOG4XZ6lw5KoEm8V 2j+NpmxQ==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1krbGB-0005s7-FN; Tue, 22 Dec 2020 06:35:03 +0000 Received: from m43-15.mailgun.net ([69.72.43.15]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1krbG7-0005rT-2L for ath10k@lists.infradead.org; Tue, 22 Dec 2020 06:35:02 +0000 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1608618900; h=Content-Transfer-Encoding: Content-Type: MIME-Version: Message-Id: Date: Subject: Cc: To: From: Sender; bh=TKB7sI3CKvg+RVej1qQWFlhU6xzxcbfFdpg5n8TXN34=; b=CIIQ+2jm6VXqgLbXvPa7sOzWSVWuurLba95a879XO1w6i4wghvHDSZ7dP7xigmilu4idwnmp 4aXZ3kOt/veAdHxQ7LeWIX+2FJz0LA5+IgDOX5OClqV6oFa84VQG8YgC8lJDJl5Dkey8IesV 2LswWFAHFnYhkVlsXfuBXtm1xn0= X-Mailgun-Sending-Ip: 69.72.43.15 X-Mailgun-Sid: WyJiZDQ3OSIsICJhdGgxMGtAbGlzdHMuaW5mcmFkZWFkLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n03.prod.us-west-2.postgun.com with SMTP id 5fe1938dcfd94dd328e0ebe8 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Tue, 22 Dec 2020 06:34:53 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 30A03C43462; Tue, 22 Dec 2020 06:34:53 +0000 (UTC) Received: from miaoqing-HP-Z220-SFF-Workstation.ap.qualcomm.com (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: miaoqing) by smtp.codeaurora.org (Postfix) with ESMTPSA id 4602AC433ED; Tue, 22 Dec 2020 06:34:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 4602AC433ED 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=fail smtp.mailfrom=miaoqing@codeaurora.org From: Miaoqing Pan To: ath10k@lists.infradead.org Subject: [PATCH v2] ath10k: fix wmi mgmt tx queue full due to race condition Date: Tue, 22 Dec 2020 14:34:47 +0800 Message-Id: <1608618887-8857-1-git-send-email-miaoqing@codeaurora.org> X-Mailer: git-send-email 2.7.4 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201222_013500_930701_D13CF008 X-CRM114-Status: GOOD ( 15.90 ) X-BeenThere: ath10k@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: briannorris@chromium.org, linux-wireless@vger.kernel.org, Miaoqing Pan Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org RmFpbGVkIHRvIHRyYW5zbWl0IHdtaSBtYW5hZ2VtZW50IGZyYW1lczoKCls4NDk3Ny44NDA4OTRd IGF0aDEwa19zbm9jIGEwMDAwMDAud2lmaTogd21pIG1nbXQgdHggcXVldWUgaXMgZnVsbApbODQ5 NzcuODQwOTEzXSBhdGgxMGtfc25vYyBhMDAwMDAwLndpZmk6IGZhaWxlZCB0byB0cmFuc21pdCBw YWNrZXQsIGRyb3BwaW5nOiAtMjgKWzg0OTc3Ljg0MDkyNF0gYXRoMTBrX3Nub2MgYTAwMDAwMC53 aWZpOiBmYWlsZWQgdG8gc3VibWl0IGZyYW1lOiAtMjgKWzg0OTc3Ljg0MDkzMl0gYXRoMTBrX3Nu b2MgYTAwMDAwMC53aWZpOiBmYWlsZWQgdG8gdHJhbnNtaXQgZnJhbWU6IC0yOAoKVGhpcyBpc3N1 ZSBpcyBjYXVzZWQgYnkgcmFjZSBjb25kaXRpb24gYmV0d2VlbiBza2JfZGVxdWV1ZSBhbmQKX19z a2JfcXVldWVfdGFpbC4gVGhlIHF1ZXVlIG9mIOKAmHdtaV9tZ210X3R4X3F1ZXVl4oCZIGlzIHBy b3RlY3RlZCBieSBhCmRpZmZlcmVudCBsb2NrOiBhci0+ZGF0YV9sb2NrIHZzIGxpc3QtPmxvY2ss IHRoZSByZXN1bHQgaXMgbm8gcHJvdGVjdGlvbi4KU28gd2hlbiBhdGgxMGtfbWdtdF9vdmVyX3dt aV90eF93b3JrKCkgYW5kIGF0aDEwa19tYWNfdHhfd21pX21nbXQoKQpydW5uaW5nIGNvbmN1cnJl bnRseSBvbiBkaWZmZXJlbnQgQ1BVcywgdGhlcmUgYXBwZWFyIHRvIGJlIGEgcmFyZSBjb3JuZXIK Y2FzZXMgd2hlbiB0aGUgcXVldWUgbGVuZ3RoIGlzIDEsCgogIENQVXggKHNrYl9kZXVxdWUpCQkJ Q1BVeSAoX19za2JfcXVldWVfdGFpbCkKCQkJCQluZXh0PWxpc3QKCQkJCQlwcmV2PWxpc3QKICBz dHJ1Y3Qgc2tfYnVmZiAqc2tiID0gc2tiX3BlZWsobGlzdCk7CVdSSVRFX09OQ0UobmV3c2stPm5l eHQsIG5leHQpOwogIFdSSVRFX09OQ0UobGlzdC0+cWxlbiwgbGlzdC0+cWxlbiAtIDEpO1dSSVRF X09OQ0UobmV3c2stPnByZXYsIHByZXYpOwogIG5leHQgICAgICAgPSBza2ItPm5leHQ7CQlXUklU RV9PTkNFKG5leHQtPnByZXYsIG5ld3NrKTsKICBwcmV2ICAgICAgID0gc2tiLT5wcmV2OwkJV1JJ VEVfT05DRShwcmV2LT5uZXh0LCBuZXdzayk7CiAgc2tiLT5uZXh0ICA9IHNrYi0+cHJldiA9IE5V TEw7CWxpc3QtPnFsZW4rKzsKICBXUklURV9PTkNFKG5leHQtPnByZXYsIHByZXYpOwogIFdSSVRF X09OQ0UocHJldi0+bmV4dCwgbmV4dCk7CgpJZiB0aGUgaW5zdHJ1Y3Rpb24g4oCYbmV4dCA9IHNr Yi0+bmV4dOKAmSBpcyBleGVjdXRlZCBiZWZvcmUK4oCYV1JJVEVfT05DRShwcmV2LT5uZXh0LCBu ZXdzaynigJksIG5ld3NrIHdpbGwgYmUgbG9zdCwgYXMgQ1BVeCBnZXQgdGhlCm9sZCDigJhuZXh0 4oCZIHBvaW50ZXIsIGJ1dCB0aGUgbGVuZ3RoIGlzIHN0aWxsIGFkZGVkIGJ5IG9uZS4gVGhlIGZp bmFsCnJlc3VsdCBpcyB0aGUgbGVuZ3RoIG9mIHRoZSBxdWV1ZSB3aWxsIHJlYWNoIHRoZSBtYXhp bXVtIHZhbHVlIGJ1dAp0aGUgcXVldWUgaXMgZW1wdHkuCgpTbyByZW1vdmUgYXItPmRhdGFfbG9j aywgYW5kIHVzZSAnc2tiX3F1ZXVlX3RhaWwnIGluc3RlYWQgb2YKJ19fc2tiX3F1ZXVlX3RhaWwn IHRvIHByZXZlbnQgdGhlIHBvdGVudGlhbCByYWNlIGNvbmRpdGlvbi4gQWxzbyBzd2l0Y2gKdG8g dXNlIHNrYl9xdWV1ZV9sZW5fbG9ja2xlc3MsIGluIGNhc2Ugd2UgcXVldWUgYSBmZXcgU0tCcyBz aW11bHRhbmVvdXNseS4KClRlc3RlZC1vbjogV0NOMzk5MCBodzEuMCBTTk9DIFdMQU4uSEwuMy4x LmMyLTAwMDMzLVFDQUhMU1dNVFBMWi0xCgpTaWduZWQtb2ZmLWJ5OiBNaWFvcWluZyBQYW4gPG1p YW9xaW5nQGNvZGVhdXJvcmEub3JnPgotLS0KdjI6IHVzZSBza2JfcXVldWVfbGVuX2xvY2tsZXNz IGluc3RlYWQgb2Ygc2tiX3F1ZXVlX2xlbgotLS0KIGRyaXZlcnMvbmV0L3dpcmVsZXNzL2F0aC9h dGgxMGsvbWFjLmMgfCAxNSArKysrLS0tLS0tLS0tLS0KIDEgZmlsZSBjaGFuZ2VkLCA0IGluc2Vy dGlvbnMoKyksIDExIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdpdCBhL2RyaXZlcnMvbmV0L3dpcmVs ZXNzL2F0aC9hdGgxMGsvbWFjLmMgYi9kcml2ZXJzL25ldC93aXJlbGVzcy9hdGgvYXRoMTBrL21h Yy5jCmluZGV4IGRjMzJjNzguLjNjZWZhMTMgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMvbmV0L3dpcmVs ZXNzL2F0aC9hdGgxMGsvbWFjLmMKKysrIGIvZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoL2F0aDEw ay9tYWMuYwpAQCAtMzc2MywyMyArMzc2MywxNiBAQCBib29sIGF0aDEwa19tYWNfdHhfZnJtX2hh c19mcmVxKHN0cnVjdCBhdGgxMGsgKmFyKQogc3RhdGljIGludCBhdGgxMGtfbWFjX3R4X3dtaV9t Z210KHN0cnVjdCBhdGgxMGsgKmFyLCBzdHJ1Y3Qgc2tfYnVmZiAqc2tiKQogewogCXN0cnVjdCBz a19idWZmX2hlYWQgKnEgPSAmYXItPndtaV9tZ210X3R4X3F1ZXVlOwotCWludCByZXQgPSAwOwot Ci0Jc3Bpbl9sb2NrX2JoKCZhci0+ZGF0YV9sb2NrKTsKIAotCWlmIChza2JfcXVldWVfbGVuKHEp ID09IEFUSDEwS19NQVhfTlVNX01HTVRfUEVORElORykgeworCWlmIChza2JfcXVldWVfbGVuX2xv Y2tsZXNzKHEpID49IEFUSDEwS19NQVhfTlVNX01HTVRfUEVORElORykgewogCQlhdGgxMGtfd2Fy bihhciwgIndtaSBtZ210IHR4IHF1ZXVlIGlzIGZ1bGxcbiIpOwotCQlyZXQgPSAtRU5PU1BDOwot CQlnb3RvIHVubG9jazsKKwkJcmV0dXJuIC1FTk9TUEM7CiAJfQogCi0JX19za2JfcXVldWVfdGFp bChxLCBza2IpOworCXNrYl9xdWV1ZV90YWlsKHEsIHNrYik7CiAJaWVlZTgwMjExX3F1ZXVlX3dv cmsoYXItPmh3LCAmYXItPndtaV9tZ210X3R4X3dvcmspOwogCi11bmxvY2s6Ci0Jc3Bpbl91bmxv Y2tfYmgoJmFyLT5kYXRhX2xvY2spOwotCi0JcmV0dXJuIHJldDsKKwlyZXR1cm4gMDsKIH0KIAog c3RhdGljIGVudW0gYXRoMTBrX21hY190eF9wYXRoCi0tIAoyLjcuNAoKCl9fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmF0aDEwayBtYWlsaW5nIGxpc3QKYXRo MTBrQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9hdGgxMGsK