From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47E897CC.2020509@qumranet.com> Date: Tue, 25 Mar 2008 08:12:28 +0200 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [kvm-devel] [RFC/PATCH 01/15] preparation: provide hook to enable pgstes in user pagetable References: <1206028710.6690.21.camel@cotte.boeblingen.de.ibm.com> <1206030278.6690.52.camel@cotte.boeblingen.de.ibm.com> <47E29EC6.5050403@goop.org> <1206040405.8232.24.camel@nimitz.home.sr71.net> <47E2CAAC.6020903@de.ibm.com> <1206124176.30471.27.camel@nimitz.home.sr71.net> <20080322175705.GD6367@osiris.boeblingen.de.ibm.com> <47E62DBA.4050102@qumranet.com> <1206296609.10233.5.camel@localhost> <47E750ED.7060509@qumranet.com> <47E896EA.5060309@de.ibm.com> In-Reply-To: <47E896EA.5060309@de.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: carsteno@de.ibm.com Cc: schwidefsky@de.ibm.com, Heiko Carstens , Dave Hansen , Jeremy Fitzhardinge , Christian Ehrhardt , hollisb@us.ibm.com, arnd@arndb.de, Linux Memory Management List , heicars2@linux.vnet.ibm.com, mschwid2@linux.vnet.ibm.com, jeroney@us.ibm.com, borntrae@linux.vnet.ibm.com, virtualization@lists.linux-foundation.org, kvm-devel@lists.sourceforge.net, rvdheij@gmail.com, Olaf Schnapper , jblunck@suse.de, "Zhang, Xiantao" List-ID: Carsten Otte wrote: > Avi Kivity wrote: >> Well, dup_mm() can't work (and now that I think about it, for more >> reasons -- what if the process has threads?). > We lock out multithreaded users already, -EINVAL. > Would be much better if this can be avoided. It's surprising. -- Any sufficiently difficult bug is indistinguishable from a feature. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org