From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steve Wise Subject: Re: [PATCH] RDMA/core: Optimized path for kernel post_send/post_recv Date: Thu, 19 May 2011 15:51:53 -0500 Message-ID: <4DD582E9.6020509@opengridcomputing.com> References: <20110324123937.19461.56781.stgit@gkslx010.igk.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20110324123937.19461.56781.stgit-dAdtdUp2yJRU7keBU/FxOFDQ4js95KgL@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org Cc: miroslaw.walukiewicz-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org On 03/24/2011 07:43 AM, miroslaw.walukiewicz-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org wrote: > The patch introduces a new path of posting buffers from user-space to kernel > post_send/post_recv using shared page. > > The shared page is allocated and defined by vendor driver. > The vendor driver during create QP decides when the new path will be used > setting a field use_shpage_for_rxtx field in connection context. > > When the connection context indicates that the shared page should be used > the uverbs_post_send()/uverbs_post_recv() calls directly the vendor driver > private post_send()/post_recv() functions improving the kernel path. > > Signed-off-by: Mirek Walukiewicz > --- Hey Roland, Do you plan to merge this? Steve. -- 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