From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: is it possible to avoid syncing after an rdma write? Date: Wed, 17 Feb 2010 12:40:46 +0200 Message-ID: <4B7BC7AE.1000702@voltaire.com> References: <4B7B2A6C.80101@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <4B7B2A6C.80101-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Andy Grover Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org Andy Grover wrote: > RDS follows each RDMA write op with a Send op [...] we want to omit the Send Andy, This way or another the side which isn't initiating the rdma write has to be notified that the local buffer && rkey (stag) they advertised can now invalidated from the HCA/RNIC IOMMU, its mapping from the node IOMMU, returned to the pool it was allocated from, reclaimed by higher layers etc. Or. -- 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