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 D039BC742D7 for ; Sat, 13 Jul 2019 15:35:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AEAEC20838 for ; Sat, 13 Jul 2019 15:35:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728027AbfGMPfr (ORCPT ); Sat, 13 Jul 2019 11:35:47 -0400 Received: from mail-qt1-f196.google.com ([209.85.160.196]:47048 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727952AbfGMPfr (ORCPT ); Sat, 13 Jul 2019 11:35:47 -0400 Received: by mail-qt1-f196.google.com with SMTP id h21so11327848qtn.13; Sat, 13 Jul 2019 08:35:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=/SFjgyvYpOtxlwc4ojENp06eD74+gSpEUYF2scggOfQ=; b=BJKSuFuGQ1P4mDDRmhGmwHJszPzDGjdPANVTjmuVU6GxOJtwxtIviN6APNfDEqPVgu z6gtwIiJE4fXvYcRTqx9slPn2jk7d++MudklG/RxjKSIMExLK6oB+mCp+3cBYtr/wwRT wmr+IImr/NXnW95JFjhq8d98P75qO+JWkWNxlGlbzoBoUccte1EbimmVXofhZSqAMvF9 yxYOxAy1ASMEZybaj/wpjr5WWVI8vhxktrw30nhTrF5l+7eX846Oi9Pc2FerayHMmVlO iNtZSY39U8Y3ytryY2ayFYDkFChTcsU+MeFOKeJsf4wtfRX8D2+9JZrvEBcpYtjfbRRm FRZw== X-Gm-Message-State: APjAAAW+hJjsnUpu3pKueFjGex6frdJHFsfG6CDPFDntHdiaz0VexBnJ Ml6UnN5AGLoCnRV9IrqosJrbJs3TkpiHio/iykmfLw/g X-Google-Smtp-Source: APXvYqyNL8VCWHu8hXjLdxyE0zt8XE/YBBnFh1YunfEwAEzy31sAhDj5qQ+vzJ5+HLnT5CPEKwJW9Rqccob0hz144sM= X-Received: by 2002:aed:33a4:: with SMTP id v33mr10880166qtd.18.1563032146072; Sat, 13 Jul 2019 08:35:46 -0700 (PDT) MIME-Version: 1.0 References: <20190712090700.317887-1-arnd@arndb.de> <20190712.153632.1007215196498198399.davem@davemloft.net> <82ccdd83d2a18912bb8cf75585e751c0bd39a215.camel@perches.com> In-Reply-To: <82ccdd83d2a18912bb8cf75585e751c0bd39a215.camel@perches.com> From: Arnd Bergmann Date: Sat, 13 Jul 2019 17:35:29 +0200 Message-ID: Subject: Re: [PATCH] [net-next] cxgb4: reduce kernel stack usage in cudbg_collect_mem_region() To: Joe Perches Cc: David Miller , vishal@chelsio.com, rahul.lakkireddy@chelsio.com, ganeshgr@chelsio.com, Alexios Zavras , arjun@chelsio.com, surendra@chelsio.com, Networking , Linux Kernel Mailing List , clang-built-linux Content-Type: text/plain; charset="UTF-8" Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Jul 13, 2019 at 2:14 AM Joe Perches wrote: > > 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. Right, my mistake. Arnd