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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 5B390C5B578 for ; Mon, 8 Jul 2019 09:00:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B8A720844 for ; Mon, 8 Jul 2019 09:00:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729650AbfGHJA2 (ORCPT ); Mon, 8 Jul 2019 05:00:28 -0400 Received: from rtits2.realtek.com ([211.75.126.72]:43973 "EHLO rtits2.realtek.com.tw" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727352AbfGHJA2 (ORCPT ); Mon, 8 Jul 2019 05:00:28 -0400 Authenticated-By: X-SpamFilter-By: BOX Solutions SpamTrap 5.62 with qID x6890GB1027880, This message is accepted by code: ctloc85258 Received: from mail.realtek.com (RTITCASV01.realtek.com.tw[172.21.6.18]) by rtits2.realtek.com.tw (8.15.2/2.57/5.78) with ESMTPS id x6890GB1027880 (version=TLSv1 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 8 Jul 2019 17:00:16 +0800 Received: from RTITMBSVM04.realtek.com.tw ([fe80::e404:880:2ef1:1aa1]) by RTITCASV01.realtek.com.tw ([::1]) with mapi id 14.03.0439.000; Mon, 8 Jul 2019 17:00:15 +0800 From: Tony Chuang To: Jian-Hong Pan CC: Kalle Valo , "David S . Miller" , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux@endlessm.com" , Daniel Drake , "stable@vger.kernel.org" Subject: RE: [PATCH] rtw88/pci: Rearrange the memory usage for skb in RX ISR Thread-Topic: [PATCH] rtw88/pci: Rearrange the memory usage for skb in RX ISR Thread-Index: AQHVNVeEOhZgR6M53kuE5XrXitIVDqbAR+xA//+PoICAAIn6kA== Date: Mon, 8 Jul 2019 09:00:15 +0000 Message-ID: References: <20190708063252.4756-1-jian-hong@endlessm.com> In-Reply-To: Accept-Language: zh-TW, en-US Content-Language: zh-TW X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.21.68.183] Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org PiA+ID4gQEAgLTgwMywyNSArODEyLDE0IEBAIHN0YXRpYyB2b2lkIHJ0d19wY2lfcnhfaXNyKHN0 cnVjdCBydHdfZGV2DQo+ICpydHdkZXYsDQo+ID4gPiBzdHJ1Y3QgcnR3X3BjaSAqcnR3cGNpLA0K PiA+ID4gICAgICAgICAgICAgICAgICAgICAgIHNrYl9wdXQoc2tiLCBwa3Rfc3RhdC5wa3RfbGVu KTsNCj4gPiA+ICAgICAgICAgICAgICAgICAgICAgICBza2JfcmVzZXJ2ZShza2IsIHBrdF9vZmZz ZXQpOw0KPiA+ID4NCj4gPiA+IC0gICAgICAgICAgICAgICAgICAgICAvKiBhbGxvYyBhIHNtYWxs ZXIgc2tiIHRvIG1hYzgwMjExICovDQo+ID4gPiAtICAgICAgICAgICAgICAgICAgICAgbmV3ID0g ZGV2X2FsbG9jX3NrYihwa3Rfc3RhdC5wa3RfbGVuKTsNCj4gPiA+IC0gICAgICAgICAgICAgICAg ICAgICBpZiAoIW5ldykgew0KPiA+ID4gLSAgICAgICAgICAgICAgICAgICAgICAgICAgICAgbmV3 ID0gc2tiOw0KPiA+ID4gLSAgICAgICAgICAgICAgICAgICAgIH0gZWxzZSB7DQo+ID4gPiAtICAg ICAgICAgICAgICAgICAgICAgICAgICAgICBza2JfcHV0X2RhdGEobmV3LCBza2ItPmRhdGEsDQo+ IHNrYi0+bGVuKTsNCj4gPiA+IC0gICAgICAgICAgICAgICAgICAgICAgICAgICAgIGRldl9rZnJl ZV9za2JfYW55KHNrYik7DQo+ID4gPiAtICAgICAgICAgICAgICAgICAgICAgfQ0KPiA+DQo+ID4g SSBhbSBub3Qgc3VyZSBpZiBpdCdzIGZpbmUgdG8gZGVsaXZlciBldmVyeSBodWdlIFNLQiB0byBt YWM4MDIxMS4NCj4gPiBCZWNhdXNlIGl0IHdpbGwgdGhlbiBiZSBkZWxpdmVyZWQgdG8gVENQL0lQ IHN0YWNrLg0KPiA+IEhlbmNlIEkgdGhpbmsgZWl0aGVyIGl0IHNob3VsZCBiZSB0ZXN0ZWQgdG8g a25vdyBpZiB0aGUgcGVyZm9ybWFuY2UNCj4gPiB3b3VsZCBiZSBpbXBhY3RlZCBvciBmaW5kIG91 dCBhIG1vcmUgZWZmaWNpZW50IHdheSB0byBzZW5kDQo+ID4gc21hbGxlciBTS0IgdG8gbWFjODAy MTEgc3RhY2suDQo+IA0KPiBJIHJlbWVtYmVyIG5ldHdvcmsgc3RhY2sgb25seSBwcm9jZXNzZXMg dGhlIHNrYiB3aXRoKGluKSBwb2ludGVycw0KPiAoc2tiLT5kYXRhKSBhbmQgdGhlIHNrYi0+bGVu IGZvciBkYXRhIHBhcnQuICBJdCBhbHNvIGNoZWNrcyByZWFsDQo+IGJ1ZmZlciBib3VuZGFyeSAo aGVhZCBhbmQgZW5kKSBvZiB0aGUgc2tiIHRvIHByZXZlbnQgbWVtb3J5IG92ZXJmbG93Lg0KPiBU aGVyZWZvcmUsIEkgdGhpbmsgdXNpbmcgdGhlIG9yaWdpbmFsIHNrYiBpcyB0aGUgbW9zdCBlZmZp Y2llbnQgd2F5Lg0KPiANCj4gSWYgSSBtaXN1bmRlcnN0YW5kIHNvbWV0aGluZywgcGxlYXNlIHBv aW50IG91dC4NCj4gDQoNCkl0IG1lYW5zIGlmIHdlIHN0aWxsIHVzZSBhIGh1Z2UgU0tCICh+OEsp IGZvciBldmVyeSBSWCBwYWNrZXQgKH4xLjVLKS4NClRoZXJlIGlzIGFib3V0IDYuNUsgbm90IHVz ZWQuIEFuZCBldmVuIG1vcmUgaWYgd2UgcGluZyB3aXRoIGxhcmdlIHBhY2tldA0Kc2l6ZSAiZWcu ICQgcGluZyAtcyA2NTUzNiIsIEkgYW0gbm90IHN1cmUgaWYgdGhvc2UgaHVnZSBTS0JzIHdpbGwg ZWF0IGFsbCBvZg0KdGhlIFNLQiBtZW0gcG9vbCwgYW5kIHRoZW4gcGluZyBmYWlscy4NCg0KQlRX LCB0aGUgb3JpZ2luYWwgZGVzaWduIG9mIFJUS19QQ0lfUlhfQlVGX1NJWkUgdG8gYmUgKDgxOTIg KyAyNCkgaXMgdG8NCnJlY2VpdmUgQU1TRFUgcGFja2V0IGluIG9uZSBTS0IuDQooQ291bGQgcHJv YmFibHkgZW5sYXJnZSBpdCB0byBSWCBWSFQgQU1TRFUgfjExSykNCg0KWWFuLUhzdWFuDQo=