From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sagi Grimberg Subject: Re: [PATCH 1/2] mlx4: Expose correct max_sge_rd limit Date: Tue, 27 Oct 2015 18:17:24 +0200 Message-ID: <562FA394.2090607@dev.mellanox.co.il> References: <1445938846-9240-1-git-send-email-sagig@mellanox.com> <1445938846-9240-2-git-send-email-sagig@mellanox.com> <562F8C8F.8040000@mellanox.com> <562FA05F.4050805@dev.mellanox.co.il> <562FA273.5090700@mellanox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <562FA273.5090700-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Or Gerlitz , linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, target-devel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: Steve Wise , "Nicholas A. Bellinger" , Doug Ledford , Yishai Hadas List-Id: linux-rdma@vger.kernel.org > But AFAIR, the magic number was 28... how this goes hand in hand with > your findings? mlx4 max_sge is 32, and isert does max_sge - 2 = 30. So it always used 30... and I run it reliably with this for a while now. This thing exists before I was involved so I might not be familiar with all the details... Sagi. -- 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