On Sun, 2008-05-18 at 17:49 +0300, Moni Shoua wrote: > Hi Vlad, > I have 2 patches for ewg that were released to upstream kernel (see below) > The first was approved unofficially and I hope that the second one will also > be approved.
Why doesn't the second patch wait for approval/inclusion in Roland's tree ? I thought that was the agreed upon process. -- Hal > Please add the patches (in attachments) in kernel_patches/fixes under > ofa-kernel. > > thanks > > Moni > > -------- Original Message -------- > Subject: [ofa-general] [PATCH 0/2] IB: Improve recovery from SM change events > after takeover > Date: Sun, 18 May 2008 15:25:24 +0300 > From: Moni Shoua <[EMAIL PROTECTED]> > To: Roland Dreier <[EMAIL PROTECTED]> > CC: Olga Stern <[EMAIL PROTECTED]>, OpenFabrics General <[EMAIL > PROTECTED]>, Moni Levy <[EMAIL PROTECTED]> > > > The patches below improve the the recovery of the IPoIB driver from > a faulure of the SM and taking over by another SM. The purpose was > to minimize the the time that 2 hosts with IPoIB stay remain disconnected > after SM takeover event. > > Here is an example that was viewed in our tests. > One IPoIB host (client) sends a stream of multicast packets to another IPoIB > host (server). > SM takeover event takes place during traffic and as a result multicast info > is flushed > and there is a need to rejoin by hosts. Without the patch there is a chance > (which according to our experience > is a very big chance) that the request to rejoin will be to the old SM and > only after a retry join completes successfully. > > Our tests for IP multicast and unicast traffic between 2 hosts show that > without the patch there > is a period of time of up to 5 seconds that that communication is lost and > with the > patch the time decreases to less than a second. > > > _______________________________________________ > general mailing list > [EMAIL PROTECTED] > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general > > To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general > > _______________________________________________ > ewg mailing list > ewg@lists.openfabrics.org > http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg _______________________________________________ ewg mailing list ewg@lists.openfabrics.org http://lists.openfabrics.org/cgi-bin/mailman/listinfo/ewg
