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,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 F23F0C742D2 for ; Sat, 13 Jul 2019 00:14:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CB358217D4 for ; Sat, 13 Jul 2019 00:14:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727487AbfGMAOK (ORCPT ); Fri, 12 Jul 2019 20:14:10 -0400 Received: from smtprelay0104.hostedemail.com ([216.40.44.104]:48302 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727118AbfGMAOJ (ORCPT ); Fri, 12 Jul 2019 20:14:09 -0400 Received: from filter.hostedemail.com (clb03-v110.bra.tucows.net [216.40.38.60]) by smtprelay01.hostedemail.com (Postfix) with ESMTP id 26E19100E86C6; Sat, 13 Jul 2019 00:14:08 +0000 (UTC) X-Session-Marker: 6A6F6540706572636865732E636F6D X-HE-Tag: step13_7b009126cd010 X-Filterd-Recvd-Size: 1404 Received: from XPS-9350 (cpe-23-242-196-136.socal.res.rr.com [23.242.196.136]) (Authenticated sender: joe@perches.com) by omf17.hostedemail.com (Postfix) with ESMTPA; Sat, 13 Jul 2019 00:14:05 +0000 (UTC) Message-ID: <82ccdd83d2a18912bb8cf75585e751c0bd39a215.camel@perches.com> Subject: Re: [PATCH] [net-next] cxgb4: reduce kernel stack usage in cudbg_collect_mem_region() From: Joe Perches To: David Miller , arnd@arndb.de Cc: vishal@chelsio.com, rahul.lakkireddy@chelsio.com, ganeshgr@chelsio.com, alexios.zavras@intel.com, arjun@chelsio.com, surendra@chelsio.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com Date: Fri, 12 Jul 2019 17:14:03 -0700 In-Reply-To: <20190712.153632.1007215196498198399.davem@davemloft.net> References: <20190712090700.317887-1-arnd@arndb.de> <20190712.153632.1007215196498198399.davem@davemloft.net> Content-Type: text/plain; charset="ISO-8859-1" User-Agent: Evolution 3.30.5-0ubuntu0.18.10.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2019-07-12 at 15:36 -0700, David Miller wrote: > From: Arnd Bergmann > Date: Fri, 12 Jul 2019 11:06:33 +0200 > > > The cudbg_collect_mem_region() and cudbg_read_fw_mem() both use several > > hundred kilobytes of kernel stack space. Several hundred 'kilo' bytes? I hope not.