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=-4.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 6A141C433F5 for ; Wed, 8 Sep 2021 14:53:31 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 336A961104 for ; Wed, 8 Sep 2021 14:53:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 336A961104 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=ACULAB.COM Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:In-Reply-To:References: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=ow2OiE43cssOYHevxsSgCOzll5PfFcMMcKZKcejfmKc=; b=veLP0O5Uv29aA6 PcHRQpvqOJZfwSaIEqJGLYleSSjBVC9OJrORj5zk/BpEsGsPvzIU3o5Ozxhdbr/frMNcWLmgzHhuE 00mx+M1y7IJAAtjU4lYmDhLbDNETmXP+r3mIxJxCbkTPlCzr65Yr8BWX/OIuMyDrIne/M9+XYFVjv jzahVHXAKMvd1kA/WXE3fE3K4FTUJO9a9hKRKk5oMTmk0dy6lqAO7K/uHVAtz0WxksOmyrkhYTomk 1dUsX7MTbZSjcROv7WbjZg05OFOXQKbu+tcMTBrBziIp4tsYXMO6G6MlU8AIAcRCBCLckPfqq5DvF JQfMcf0YFFyha0K6aJDQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mNyvI-006zCM-A2; Wed, 08 Sep 2021 14:51:36 +0000 Received: from eu-smtp-delivery-151.mimecast.com ([185.58.85.151]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mNyvD-006zAt-Fe for linux-arm-kernel@lists.infradead.org; Wed, 08 Sep 2021 14:51:33 +0000 Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) (Using TLS) by relay.mimecast.com with ESMTP id uk-mta-10-MqPP_QLZOnaPOvxdcdkU6A-1; Wed, 08 Sep 2021 15:51:23 +0100 X-MC-Unique: MqPP_QLZOnaPOvxdcdkU6A-1 Received: from AcuMS.Aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) by AcuMS.aculab.com (fd9f:af1c:a25b:0:994c:f5c2:35d6:9b65) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Wed, 8 Sep 2021 15:51:21 +0100 Received: from AcuMS.Aculab.com ([fe80::994c:f5c2:35d6:9b65]) by AcuMS.aculab.com ([fe80::994c:f5c2:35d6:9b65%12]) with mapi id 15.00.1497.023; Wed, 8 Sep 2021 15:51:21 +0100 From: David Laight To: 'Wei Liu' , Linus Torvalds CC: Naresh Kamboju , Mathias Nyman , Johannes Berg , "Jakub Kicinski" , Shuah Khan , "Brendan Higgins" , Ariel Elior , "GR-everest-linux-l2@marvell.com" , "Linux ARM" , open list , Netdev , "lkft-triage@lists.linaro.org" , Arnd Bergmann , "David S. Miller" , Greg Kroah-Hartman , Nick Desaulniers , Nathan Chancellor , Daniel Borkmann , Alexei Starovoitov , Eric Dumazet Subject: RE: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] Thread-Topic: ipv4/tcp.c:4234:1: error: the frame size of 1152 bytes is larger than 1024 bytes [-Werror=frame-larger-than=] Thread-Index: AQHXpJjLHdBfxh/omUuYsxLT8U4Q1auaODzA Date: Wed, 8 Sep 2021 14:51:21 +0000 Message-ID: <46be667d057f413aac7871ebe784e274@AcuMS.aculab.com> References: <20210908100304.oknxj4v436sbg3nb@liuwe-devbox-debian-v2> In-Reply-To: <20210908100304.oknxj4v436sbg3nb@liuwe-devbox-debian-v2> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=C51A453 smtp.mailfrom=david.laight@aculab.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210908_075131_869352_DCB08C97 X-CRM114-Status: UNSURE ( 7.13 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Wei Liu > Sent: 08 September 2021 11:03 ... > However calling into the allocator from that IPI path seems very heavy > weight. I will discuss with fellow engineers on how to fix it properly. Isn't the IPI code something that is likely to get called when a lot of stack has already been used? So you really shouldn't be using much stack at all?? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel