From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755929AbYGQGm2 (ORCPT ); Thu, 17 Jul 2008 02:42:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753125AbYGQGmT (ORCPT ); Thu, 17 Jul 2008 02:42:19 -0400 Received: from il.qumranet.com ([212.179.150.194]:57745 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751296AbYGQGmS (ORCPT ); Thu, 17 Jul 2008 02:42:18 -0400 Message-ID: <487EE9C9.2050108@qumranet.com> Date: Thu, 17 Jul 2008 09:42:17 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.14 (X11/20080501) MIME-Version: 1.0 To: Dave Hansen CC: "linux-kernel@vger.kernel.org" , kvm-devel , "Anthony N. Liguori [imap]" Subject: Re: KVM overflows the stack References: <1206479576.7562.21.camel@nimitz.home.sr71.net> <47EA1C63.8010202@qumranet.com> <1206550329.7883.5.camel@nimitz.home.sr71.net> <47EA80AC.4070204@qumranet.com> <1206551794.7883.7.camel@nimitz.home.sr71.net> <47EB6AAC.3040607@qumranet.com> <47EB7281.6070300@qumranet.com> <1206629709.7883.30.camel@nimitz.home.sr71.net> <47EBB63E.2060306@qumranet.com> <1212445810.8211.9.camel@nimitz.home.sr71.net> <48469BDA.3050206@qumranet.com> <1212738105.7837.3.camel@nimitz> <48512028.3070104@qumranet.com> <1216148242.25942.6.camel@nimitz> <1216244660.8711.6.camel@nimitz> <1216248527.11664.9.camel@nimitz> <487EDE26.8040201@qumranet.com> <1216275288.11664.13.camel@nimitz> In-Reply-To: <1216275288.11664.13.camel@nimitz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dave Hansen wrote: > >> switch (...) { >> case x: { >> struct medium a; >> ... >> } >> case y: >> struct medium b; >> ... >> } >> }; >> >> These could be solved either by stack allocation, or by moving into >> functions marked noinline. Whichever is easier. >> > > Did you mean dynamic allocation? :) > > Yeah. Too early in the morning for me. Roland's trick might be easier than either, though. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.