From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <46DFBBCC.8060307@qumranet.com> Date: Thu, 06 Sep 2007 11:35:24 +0300 From: Avi Kivity MIME-Version: 1.0 Subject: Re: [ofa-general] [PATCH][RFC]: pte notifiers -- support for external page tables References: <11890103283456-git-send-email-avi@qumranet.com> <20070906062441.GF3410@minantech.com> In-Reply-To: <20070906062441.GF3410@minantech.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Gleb Natapov Cc: lkml@qumranet.com, linux-mm@kvack.org, kvm@qumranet.com, shaohua.li@intel.com, general@lists.openfabrics.org, addy@quadrics.com List-ID: Gleb Natapov wrote: > On Wed, Sep 05, 2007 at 07:38:48PM +0300, Avi Kivity wrote: > >> This sample patch adds a new mechanism, pte notifiers, that allows drivers >> to register an interest in a changes to ptes. Whenever Linux changes a >> pte, it will call a notifier to allow the driver to adjust the external >> page table and flush its tlb. >> > How is this different from http://lwn.net/Articles/133627/? AFAIR the > patch was rejected because there was only one user for it and it was > decided that it would be better to maintain it out of tree for a while. > Your patch is more complete. There are now at least three users: you, kvm, and newer Infiniband HCAs. Care to resurrect the patch? -- 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