[PATCH] ummunotify: Userspace support for MMU notifications

Andrew, I am resubmitting this patch because I believe that the discussion has shown this to be an acceptable solution. I have fixed the 32 bit build errors, but other than that change, the code is the same as Roland's V3 patch. From: Roland Dreier rola...@cisco.com As discussed in

Socket Direct Protocol: help

Good morning, I'm testing some Neteffect cards (Intel code E10G81GP - Neteffect NE020.LP.1.SSR). PC has Linux| (kernel version) 2.6.18-164.15.1.el5 | x86_64 x86_64 x86_64 GNU/Linux. In this phase, I measure the bandwidth with the netserver/nerperf (version netperf-2.4.5) ad hoc tests. They work

Re: [PATCH V3 0/2] Add support for enhanced atomic operations

Vladimir Sokolovsky wrote: Roland Dreier wrote: Hence, I think it would be cleaner if a new capability, masked_atomic_cap, were introduced, using the original definitions (NONE, HCA, GLOB). Vlad, what do you think about that? The more I think about it, the cleaner this seems to me. And

Socket Direct Protocol: help (2)

On Apr 12, 2010 10:14 AM, Andrea Gozzelino andrea.gozzel...@lnl.infn.it wrote: Good morning, I'm testing some Neteffect cards (Intel code E10G81GP - Neteffect NE020.LP.1.SSR). PC has Linux| (kernel version) 2.6.18-164.15.1.el5 | x86_64 x86_64 x86_64 GNU/Linux. In this phase, I measure

Re: [PATCH v2 38/51] IB/qib: Add qib_sysfs.c

On Fri, 2010-04-09 at 17:27 -0700, Jason Gunthorpe wrote: On Fri, Apr 09, 2010 at 05:13:24PM -0700, Ralph Campbell wrote: For the QSFP data, I hope I can leave it as is since it is related to the link state that the other files contain. It is a read-only file so no issue with trying to

IPoIB performance benchmarking

Hi, I'm trying to do some performance benchmarking of IPoIB on a DDR IB cluster, and I am having a hard time understanding what I am seeing. When I do a simple netperf, I get results like these: [r...@gateway3 ~]# netperf -H 192.168.23.252 TCP STREAM TEST from 0.0.0.0 (0.0.0.0) port 0

Re: [PATCH] ummunotify: Userspace support for MMU notifications

Hi! I am resubmitting this patch because I believe that the discussion has shown this to be an acceptable solution. I have fixed the 32 bit build errors, but other than that change, the code is the same as Roland's V3 patch. From: Roland Dreier rola...@cisco.com As discussed in

Re: IPoIB performance benchmarking

Dave, Thanks for the pointer. I thought it was running in connected mode, and looking at that variable that you mentioned confirms it: [r...@gateway3 ~]# cat /sys/class/net/ib0/mode connected And the IP MTU shows up as: [r...@gateway3 ~]# ifconfig ib0 ib0 Link encap:InfiniBand HWaddr

[PATCH] uDAPL v1.2 - cma: memory leak of FD's (pipe) created during dat_evd_create

Add checking for pipe FD's during destroy and clean them up with close. Signed-off-by: Arlin Davis arlin.r.da...@intel.com --- dapl/openib_cma/dapl_ib_cq.c |8 +++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/dapl/openib_cma/dapl_ib_cq.c b/dapl/openib_cma/dapl_ib_cq.c

[PATCH] uDAPL v1.2 - cma: memory leak of verbs CQ and completion channels created during dat_ia_open

check/cleanup CQ and completion channels during dat_ia_close Signed-off-by: Arlin Davis arlin.r.da...@intel.com --- dapl/openib_cma/dapl_ib_util.c | 22 -- 1 files changed, 16 insertions(+), 6 deletions(-) diff --git a/dapl/openib_cma/dapl_ib_util.c

Re: IPoIB performance benchmarking

On Mon, 12 Apr 2010, Tom Ammon wrote: | Thanks for the pointer. I thought it was running in connected mode, and | looking at that variable that you mentioned confirms it: | [r...@gateway3 ~]# ifconfig ib0 | ib0 Link encap:InfiniBand HWaddr |

Re: [PATCH] ummunotify: Userspace support for MMU notifications

On Mon, 12 Apr 2010 07:22:17 +0100 Eric B Munson ebmun...@us.ibm.com wrote: Andrew, I am resubmitting this patch because I believe that the discussion has shown this to be an acceptable solution. To whom? Some acked-by's would clarify. I have fixed the 32 bit build errors, but other