From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jerome Glisse Subject: Re: [PATCH v1 for-next 00/16] On demand paging Date: Thu, 4 Sep 2014 13:45:17 -0400 Message-ID: <20140904174517.GA2685@gmail.com> References: <1404377069-20585-1-git-send-email-haggaie@mellanox.com> <5405D2D8.1040700@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Roland Dreier Cc: Latchesar Ionkov , Or Gerlitz , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Greg Kroah-Hartman , Sagi Grimberg , Linux Kernel List-Id: linux-rdma@vger.kernel.org On Wed, Sep 03, 2014 at 02:15:51PM -0700, Roland Dreier wrote: > > I would like to note that we at Los Alamos National Laboratory are = very > > interested in this functionality and it would be great if it gets a= ccepted. >=20 > Have you done any review or testing of these changes? If so can you > share the results? So jumping in here. I am working on a similar issue, ie on a subsystem = that allow a device to mirror a process address space (or part of it) using = its own mmu and page table. While i am aiming at providing a generic API, it is not yet fully cook = thus i think having a driver implement its own code in the meantime is somet= hing we have to live with. I am sharing the frustration of Sagi or Haggai on= how hard it is to get any kind of review. I have not yet reviewed this code but it's nearing the top of on my tod= o list. Even thought i am not an authoritative figure in either mm or rdma. =46or anyone interested in taking a peak at HMM (subsystem i am working= on to provide same functionality and more) : http://marc.info/?l=3Dlinux-mm&m=3D140933942705466&w=3D4 Cheers, J=E9r=F4me >=20 > - R. > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma"= in > the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754868AbaIDRpb (ORCPT ); Thu, 4 Sep 2014 13:45:31 -0400 Received: from mail-qc0-f178.google.com ([209.85.216.178]:49841 "EHLO mail-qc0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754586AbaIDRpY (ORCPT ); Thu, 4 Sep 2014 13:45:24 -0400 Date: Thu, 4 Sep 2014 13:45:17 -0400 From: Jerome Glisse To: Roland Dreier Cc: Latchesar Ionkov , Or Gerlitz , "linux-rdma@vger.kernel.org" , Greg Kroah-Hartman , Sagi Grimberg , Linux Kernel Subject: Re: [PATCH v1 for-next 00/16] On demand paging Message-ID: <20140904174517.GA2685@gmail.com> References: <1404377069-20585-1-git-send-email-haggaie@mellanox.com> <5405D2D8.1040700@mellanox.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 03, 2014 at 02:15:51PM -0700, Roland Dreier wrote: > > I would like to note that we at Los Alamos National Laboratory are very > > interested in this functionality and it would be great if it gets accepted. > > Have you done any review or testing of these changes? If so can you > share the results? So jumping in here. I am working on a similar issue, ie on a subsystem that allow a device to mirror a process address space (or part of it) using its own mmu and page table. While i am aiming at providing a generic API, it is not yet fully cook thus i think having a driver implement its own code in the meantime is something we have to live with. I am sharing the frustration of Sagi or Haggai on how hard it is to get any kind of review. I have not yet reviewed this code but it's nearing the top of on my todo list. Even thought i am not an authoritative figure in either mm or rdma. For anyone interested in taking a peak at HMM (subsystem i am working on to provide same functionality and more) : http://marc.info/?l=linux-mm&m=140933942705466&w=4 Cheers, Jérôme > > - R. > -- > To unsubscribe from this list: send the line "unsubscribe linux-rdma" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html