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From: Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: Leon Romanovsky <leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Alex Vesker <valex-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: [PATCH rdma-rc v1] IB/ipoib: Don't allow MC joins during light MC flush
Date: Fri, 16 Sep 2016 14:11:26 -0400	[thread overview]
Message-ID: <4ff87d50-eecb-9ee8-3a4a-958fe6d0d750@redhat.com> (raw)
In-Reply-To: <1473663328-30743-1-git-send-email-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>


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On 9/12/2016 2:55 AM, Leon Romanovsky wrote:
> From: Alex Vesker <valex-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
> 
> This fix solves a race between light flush and on the fly joins.
> Light flush doesn't set the device to down and unset IPOIB_OPER_UP
> flag, this means that if while flushing we have a MC join in progress
> and the QP was attached to BC MGID we can have a mismatches when
> re-attaching a QP to the BC MGID.

[ snip ]

Thanks, applied.


-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
    GPG Key ID: 0E572FDD


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      parent reply	other threads:[~2016-09-16 18:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-09-12  6:55 [PATCH rdma-rc v1] IB/ipoib: Don't allow MC joins during light MC flush Leon Romanovsky
     [not found] ` <1473663328-30743-1-git-send-email-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
2016-09-16 18:11   ` Doug Ledford [this message]

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