Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750811AbWCRSsy (ORCPT ); Sat, 18 Mar 2006 13:48:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750819AbWCRSsy (ORCPT ); Sat, 18 Mar 2006 13:48:54 -0500 Received: from e3.ny.us.ibm.com ([32.97.182.143]:40893 "EHLO e3.ny.us.ibm.com") by vger.kernel.org with ESMTP id S1750811AbWCRSsy (ORCPT ); Sat, 18 Mar 2006 13:48:54 -0500 Message-ID: <441C55ED.6080702@us.ibm.com> Date: Sat, 18 Mar 2006 13:48:13 -0500 From: Janak Desai User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.12) Gecko/20050922 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Linus Torvalds CC: Oleg Nesterov , Andrew Morton , ebiederm@xmission.com, Linux Kernel Mailing List , viro@ftp.linux.org.uk, hch@lst.de, mtk-manpages@gmx.net, ak@muc.de, paulus@samba.org, Ulrich Drepper Subject: Re: [PATCH] for 2.6.16, disable unshare_vm() References: <441AF596.F6E66BC9@tv-sign.ru> <20060317125607.78a5dbe4.akpm@osdl.org> <441C0741.3BC25010@tv-sign.ru> <441C2AA0.3080200@us.ibm.com> <441C4263.B779CDA8@tv-sign.ru> <441C4636.15F57F6@tv-sign.ru> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 907 Lines: 29 Linus Torvalds wrote: >On Sat, 18 Mar 2006, Oleg Nesterov wrote: > > >>sys_unshare() does mmput(new_mm). This is not enough >>if we have mm->core_waiters. This patch is a temporary >>fix for soon to be released 2.6.16. >> >> > >Yes. Quick raising of hands: is there anybody out there that expects to >use unshare(CLONE_VM) right now? One of the reasons it was integrated was >that I thought glibc wanted it for distros. Is disabling the CLONE_VM >unsharing going to impact that? > > Linus > > > We are using namespace and filesystem unsharing for our common criteria certification work and would not be impacted by disabling of vm unsharing. -Janak - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/