Return-Path: Received: from mail-wi0-f169.google.com ([209.85.212.169]:38597 "EHLO mail-wi0-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754571AbbIXNEN (ORCPT ); Thu, 24 Sep 2015 09:04:13 -0400 Received: by wiclk2 with SMTP id lk2so111838259wic.1 for ; Thu, 24 Sep 2015 06:04:12 -0700 (PDT) Subject: Re: [PATCH rdma-rc v2 1/4] xprtrdma: Replace global lkey with lkey local to PD To: Anna Schumaker , Sagi Grimberg , Doug Ledford References: <1443080064-28760-1-git-send-email-sagig@mellanox.com> <1443080064-28760-2-git-send-email-sagig@mellanox.com> <5603F34F.3050505@Netapp.com> Cc: Chuck Lever , linux-rdma@vger.kernel.org, linux-nfs From: Sagi Grimberg Message-ID: <5603F4C8.5080500@dev.mellanox.co.il> Date: Thu, 24 Sep 2015 16:04:08 +0300 MIME-Version: 1.0 In-Reply-To: <5603F34F.3050505@Netapp.com> Content-Type: text/plain; charset=utf-8; format=flowed Sender: linux-nfs-owner@vger.kernel.org List-ID: On 9/24/2015 3:57 PM, Anna Schumaker wrote: > Hi Sagi, Hey Anna, > > On 09/24/2015 03:34 AM, Sagi Grimberg wrote: >> From: Chuck Lever >> >> The core API has changed so that devices that do not have a global >> DMA lkey automatically create an mr, per-PD, and make that lkey >> available. The global DMA lkey interface is going away in favor of >> the per-PD DMA lkey. >> >> The per-PD DMA lkey is always available. Convert xprtrdma to use the >> device's per-PD DMA lkey for regbufs, no matter which memory >> registration scheme is in use. > > This is going through an RDMA tree somewhere, correct? Yes, this was from Chuck's 4.4 RFC series. I just included it in this set as it is related to a driver fix that should go to 4.3-rc. > You can add my: > > Acked-by: Anna Schumaker Thanks!