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[209.85.167.175]) by smtp.gmail.com with ESMTPSA id d10sm344541ooh.32.2020.12.21.11.31.53 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 21 Dec 2020 11:31:53 -0800 (PST) Received: by mail-oi1-f175.google.com with SMTP id x13so12401227oic.5 for ; Mon, 21 Dec 2020 11:31:53 -0800 (PST) X-Received: by 2002:aca:af4d:: with SMTP id y74mr11678757oie.105.1608579112704; Mon, 21 Dec 2020 11:31:52 -0800 (PST) MIME-Version: 1.0 References: <1608515579-1066-1-git-send-email-miaoqing@codeaurora.org> In-Reply-To: <1608515579-1066-1-git-send-email-miaoqing@codeaurora.org> From: Brian Norris Date: Mon, 21 Dec 2020 11:31:40 -0800 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH] ath10k: fix wmi mgmt tx queue full due to race condition To: Miaoqing Pan X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201221_143157_611938_B8142B0D X-CRM114-Status: GOOD ( 13.66 ) 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: linux-wireless , ath10k Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "ath10k" Errors-To: ath10k-bounces+ath10k=archiver.kernel.org@lists.infradead.org SGksCgpPbiBTdW4sIERlYyAyMCwgMjAyMCBhdCA1OjUzIFBNIE1pYW9xaW5nIFBhbiA8bWlhb3Fp bmdAY29kZWF1cm9yYS5vcmc+IHdyb3RlOgo+Cj4gRmFpbGVkIHRvIHRyYW5zbWl0IHdtaSBtYW5h Z2VtZW50IGZyYW1lczoKPgo+IFs4NDk3Ny44NDA4OTRdIGF0aDEwa19zbm9jIGEwMDAwMDAud2lm aTogd21pIG1nbXQgdHggcXVldWUgaXMgZnVsbAo+IFs4NDk3Ny44NDA5MTNdIGF0aDEwa19zbm9j IGEwMDAwMDAud2lmaTogZmFpbGVkIHRvIHRyYW5zbWl0IHBhY2tldCwgZHJvcHBpbmc6IC0yOAo+ IFs4NDk3Ny44NDA5MjRdIGF0aDEwa19zbm9jIGEwMDAwMDAud2lmaTogZmFpbGVkIHRvIHN1Ym1p dCBmcmFtZTogLTI4Cj4gWzg0OTc3Ljg0MDkzMl0gYXRoMTBrX3Nub2MgYTAwMDAwMC53aWZpOiBm YWlsZWQgdG8gdHJhbnNtaXQgZnJhbWU6IC0yOAo+Cj4gVGhpcyBpc3N1ZSBpcyBjYXVzZWQgYnkg cmFjZSBjb25kaXRpb24gYmV0d2VlbiBza2JfZGVxdWV1ZSBhbmQKPiBfX3NrYl9xdWV1ZV90YWls LiBUaGUgcXVldWUgb2Yg4oCYd21pX21nbXRfdHhfcXVldWXigJkgaXMgcHJvdGVjdGVkIGJ5IGEK PiBkaWZmZXJlbnQgbG9jazogYXItPmRhdGFfbG9jayB2cyBsaXN0LT5sb2NrLCB0aGUgcmVzdWx0 IGlzIG5vIHByb3RlY3Rpb24uCgpOaWNlIGNhdGNoIQoKPiAtLS0gYS9kcml2ZXJzL25ldC93aXJl bGVzcy9hdGgvYXRoMTBrL21hYy5jCj4gKysrIGIvZHJpdmVycy9uZXQvd2lyZWxlc3MvYXRoL2F0 aDEway9tYWMuYwo+IEBAIC0zNzYzLDIzICszNzYzLDE2IEBAIGJvb2wgYXRoMTBrX21hY190eF9m cm1faGFzX2ZyZXEoc3RydWN0IGF0aDEwayAqYXIpCj4gIHN0YXRpYyBpbnQgYXRoMTBrX21hY190 eF93bWlfbWdtdChzdHJ1Y3QgYXRoMTBrICphciwgc3RydWN0IHNrX2J1ZmYgKnNrYikKPiAgewo+ ICAgICAgICAgc3RydWN0IHNrX2J1ZmZfaGVhZCAqcSA9ICZhci0+d21pX21nbXRfdHhfcXVldWU7 Cj4gLSAgICAgICBpbnQgcmV0ID0gMDsKPiAtCj4gLSAgICAgICBzcGluX2xvY2tfYmgoJmFyLT5k YXRhX2xvY2spOwo+Cj4gICAgICAgICBpZiAoc2tiX3F1ZXVlX2xlbihxKSA9PSBBVEgxMEtfTUFY X05VTV9NR01UX1BFTkRJTkcpIHsKCkkgYmVsaWV2ZSB5b3Ugc2hvdWxkIGJlIHN3aXRjaGluZyB0 aGlzIHRvIHVzZSBza2JfcXVldWVfbGVuX2xvY2tsZXNzKCkKdG9vLiBBbmQgdGhpcyBzdGlsbCBw cm9iYWJseSBsZWF2ZXMgYSBUT0NUT1UgcmFjZTsgbWF5YmUgd2Ugc2hvdWxkIHVzZQoiPj0iIGhl cmUsIGluIGNhc2Ugd2UgcXVldWUgYSBmZXcgU0tCcyBzaW11bHRhbmVvdXNseT8gSXQgZG9lc24n dCBzZWVtCmxpa2Ugd2UgYWN0dWFsbHkgaGF2ZSBhIGhhcmQgbGltaXQgaGVyZSwgYnV0IGl0IHN0 aWxsIHNlZW1zIGxpa2Ugd2UKc2hvdWxkbid0IGxlYXZlIHRoaXMgcG90ZW50aWFsIGluY29uc2lz dGVuY3kuCgpCcmlhbgoKPiAgICAgICAgICAgICAgICAgYXRoMTBrX3dhcm4oYXIsICJ3bWkgbWdt dCB0eCBxdWV1ZSBpcyBmdWxsXG4iKTsKPiAtICAgICAgICAgICAgICAgcmV0ID0gLUVOT1NQQzsK PiAtICAgICAgICAgICAgICAgZ290byB1bmxvY2s7Cj4gKyAgICAgICAgICAgICAgIHJldHVybiAt RU5PU1BDOwo+ICAgICAgICAgfQo+Cj4gLSAgICAgICBfX3NrYl9xdWV1ZV90YWlsKHEsIHNrYik7 Cj4gKyAgICAgICBza2JfcXVldWVfdGFpbChxLCBza2IpOwo+ICAgICAgICAgaWVlZTgwMjExX3F1 ZXVlX3dvcmsoYXItPmh3LCAmYXItPndtaV9tZ210X3R4X3dvcmspOwoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KYXRoMTBrIG1haWxpbmcgbGlzdAphdGgx MGtAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2F0aDEwawo=