From mboxrd@z Thu Jan 1 00:00:00 1970 From: Or Gerlitz Subject: Re: IB: increase DMA max_segment_size on Mellanox hardware Date: Tue, 22 Mar 2011 10:01:12 +0200 Message-ID: <4D885748.6060600@mellanox.com> References: <1295230184.2574.26.camel@obelisk.thedillows.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1295230184.2574.26.camel-1q1vX8mYZiGLUyTwlgNVppKKF0rrzTr+@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: David Dillow Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Roland Dreier , Eli Cohen List-Id: linux-rdma@vger.kernel.org David Dillow wrote: > This ups the value on Mellanox hardware to 2 GB, though there is no H= W > limit. You've expressed intention to reduce that value to 1GB as of HW=20 limitations, it would also let you get rid from the warnings on the=20 current version > CC [M] drivers/infiniband/hw/mthca/mthca_main.o > drivers/infiniband/hw/mthca/mthca_main.c: In function =E2=80=98__mthc= a_init_one=E2=80=99: > drivers/infiniband/hw/mthca/mthca_main.c:1047: warning: integer overf= low in expression > LD [M] drivers/infiniband/hw/mthca/ib_mthca.o > CC [M] drivers/net/mlx4/main.o > drivers/net/mlx4/main.c: In function =E2=80=98__mlx4_init_one=E2=80=99= : > drivers/net/mlx4/main.c:1113: warning: integer overflow in expression -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" i= n the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html