From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030781AbXDLXiG (ORCPT ); Thu, 12 Apr 2007 19:38:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030801AbXDLXiG (ORCPT ); Thu, 12 Apr 2007 19:38:06 -0400 Received: from cantor.suse.de ([195.135.220.2]:38074 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030781AbXDLXiE (ORCPT ); Thu, 12 Apr 2007 19:38:04 -0400 From: Andi Kleen Organization: SUSE Linux Products GmbH, Nuernberg, GF: Markus Rex, HRB 16746 (AG Nuernberg) To: Jan Engelhardt Subject: Re: [PATCH UPDATE] deflate stack usage in lib/inflate.c Date: Fri, 13 Apr 2007 01:37:57 +0200 User-Agent: KMail/1.9.6 Cc: Jeremy Fitzhardinge , Andrew Morton , Tim Yamin , Linux Kernel Mailing List References: <461DED14.1070603@goop.org> <461EB515.4080106@goop.org> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200704130137.57323.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Friday 13 April 2007 01:20:40 Jan Engelhardt wrote: > > On Apr 12 2007 15:39, Jeremy Fitzhardinge wrote: > >Andi Kleen wrote: > >> Hmm, does Xen perhaps not use interrupt stacks? Normally 2.7k should be still > >> green as long as there are not too many functions above/below it. > > > >That's a good point, I'll need to check that. Still, nearly 3k of stack! > > I bite. Would compressing the vmlinux binary with LZO or LZMA make an > improvement to the bootstrap uncompress stack usage? We don't care about the stack usage, as long as it doesn't overflow. It's a very limited piece of code that doesn't run on top or below other subsystems. -Andi