From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: [PATCH 22/22] IB/iser: Chain all iser transaction send work requests Date: Thu, 30 Jul 2015 15:36:34 +0300 Message-ID: <55BA1A52.5090906@dev.mellanox.co.il> References: <1438243595-32288-1-git-send-email-sagig@mellanox.com> <1438243595-32288-23-git-send-email-sagig@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Or Gerlitz , Sagi Grimberg Cc: Doug Ledford , "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: linux-rdma@vger.kernel.org On 7/30/2015 1:27 PM, Or Gerlitz wrote: > On Thu, Jul 30, 2015 at 11:06 AM, Sagi Grimberg wrote: >> Concatination of send work requests benefits performance >> by reducing the send queue lock contention (acquired in >> ib_post_send) and saves us HW doorbells which is posted >> only once. > > s/Concatination/Concatenation/ > > AFAIK, do we today! isn't that the case? if partially, please specify > in the change-logs > what flows were not fully optimized in that respect and are such after > the patch. I'll add which current work requests are not chained. Thanks! -- 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