From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 8 Sep 2001 23:06:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 8 Sep 2001 23:06:42 -0400 Received: from mnh-1-11.mv.com ([207.22.10.43]:63493 "EHLO ccure.karaya.com") by vger.kernel.org with ESMTP id ; Sat, 8 Sep 2001 23:06:36 -0400 Message-Id: <200109090423.XAA03403@ccure.karaya.com> X-Mailer: exmh version 2.0.2 To: Andrea Arcangeli , Linus Torvalds Cc: linux-kernel@vger.kernel.org Subject: Re: expand_stack fix [was Re: 2.4.9aa3] In-Reply-To: Your message of "Sat, 08 Sep 2001 18:04:16 +0200." <20010908180416.Z11329@athlon.random> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Sat, 08 Sep 2001 23:23:38 -0500 From: Jeff Dike Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org andrea@suse.de said: > My fix for the race doesn't drop the usability of GROWSDOWN that could > otherwise break userspace programs. I guess at least uml uses > growsdown vma file backed. Jeff? No. In neither the host kernel or UML is there a vma that's file backed and growsdown. UML process stacks are marked growsdown in UML and are file backed on the host, but that's not the same thing. Jeff