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=-0.5 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 8DB80C3A5A5 for ; Thu, 5 Sep 2019 10:13:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 573192053B for ; Thu, 5 Sep 2019 10:13:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=qti.qualcomm.com header.i=@qti.qualcomm.com header.b="Fcqvg/aX" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732839AbfIEKNJ (ORCPT ); Thu, 5 Sep 2019 06:13:09 -0400 Received: from alexa-out-tai-01.qualcomm.com ([103.229.16.226]:29565 "EHLO alexa-out-tai-01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726137AbfIEKNJ (ORCPT ); Thu, 5 Sep 2019 06:13:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qti.qualcomm.com; i=@qti.qualcomm.com; q=dns/txt; s=qcdkim; t=1567678387; x=1599214387; h=from:to:cc:date:message-id:references:in-reply-to: content-transfer-encoding:mime-version:subject; bh=c8lnVKRd4oYfcb+T9m4p99nIX6j6JBOUVLqQAzWi6bQ=; b=Fcqvg/aX3pHfqPBxi6mO+EADWkhSNYyk0T/XQwMQq2eSgpcLDfJq2pgh 1dxdhRAjH45dBLoZkWr+3lhDv4qROSIMVNAeb97WLZMjP4Kz+4H+Lf+yk Oi/KvcdiHG8WBQhNvHZ1KzjhseDeGxzMbum0gqYJqvVY5OIvRak96PTMA E=; Subject: RE: [PATCH 2/7] ath10k: change max RX bundle size from 8 to 32 for sdio Thread-Topic: [PATCH 2/7] ath10k: change max RX bundle size from 8 to 32 for sdio Received: from ironmsg03-tai.qualcomm.com ([10.249.140.8]) by alexa-out-tai-01.qualcomm.com with ESMTP; 05 Sep 2019 18:13:06 +0800 Received: from aptaiexm02a.ap.qualcomm.com ([10.249.150.11]) by ironmsg03-tai.qualcomm.com with ESMTP/TLS/AES256-SHA; 05 Sep 2019 18:13:02 +0800 Received: from aptaiexm02f.ap.qualcomm.com (10.249.150.16) by aptaiexm02a.ap.qualcomm.com (10.249.150.11) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Thu, 5 Sep 2019 18:12:18 +0800 Received: from aptaiexm02f.ap.qualcomm.com ([fe80::4152:1436:e436:faa1]) by aptaiexm02f.ap.qualcomm.com ([fe80::4152:1436:e436:faa1%19]) with mapi id 15.00.1473.005; Thu, 5 Sep 2019 18:12:18 +0800 From: Wen Gong To: Dave Taht CC: "ath10k@lists.infradead.org" , "linux-wireless@vger.kernel.org" Thread-Index: AQHVYyWHN94QO+EK10ysmtsaB0TpPacc3hzQ Date: Thu, 5 Sep 2019 10:12:17 +0000 Message-ID: <6ffd391176154f72a964b22090d89f9d@aptaiexm02f.ap.qualcomm.com> References: <1566302108-18219-1-git-send-email-wgong@codeaurora.org> <1566302108-18219-3-git-send-email-wgong@codeaurora.org> <87k1apnyyo.fsf@taht.net> <259d8d7f8c2a4c428ae14ff211c83c1a@aptaiexm02f.ap.qualcomm.com> <87lfv4chi2.fsf@taht.net> In-Reply-To: <87lfv4chi2.fsf@taht.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.249.136.10] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org > -----Original Message----- > From: Dave Taht > Sent: Wednesday, September 4, 2019 9:34 PM > To: Wen Gong > Cc: ath10k@lists.infradead.org; linux-wireless@vger.kernel.org > Subject: [EXT] Re: [PATCH 2/7] ath10k: change max RX bundle size from 8 t= o > 32 for sdio >=20 > > Hi Dave, > > So your mean is change 8 to 32 will impact latency? It will increase l= atency > of rx? >=20 > Heh. for rx, in this case, probably not! >=20 > I just get twitchy every time folk fiddle with buffer sizes. In one > recent case someone had fiddled with the interrupt polling interval on > something, going from 1ms to 10ms - it saved on cpu, but... > ... just trying to make sure folk grok the tradoffs with a bit of > laughter. >=20 > carry on! Hah, so you do not have any concern about this patch. Patch 3 sent, https://patchwork.kernel.org/patch/11122175/ >=20 > > > >> > >> 0xFFFEFFFF