From: Steve Wise <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Roland Dreier <roland-BHEL68pLQRGGvPXPguhicg@public.gmane.org>
Subject: Re: [PATCH 1/2] RDMA/cxgb4: Reset wait condition atomically.
Date: Fri, 29 Apr 2011 11:22:38 -0500 [thread overview]
Message-ID: <4DBAE5CE.1080702@opengridcomputing.com> (raw)
In-Reply-To: <20110422175607.8004.14295.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
On 04/22/2011 12:56 PM, Steve Wise wrote:
> The driver was never really waiting for RDMA_WR/FINI completions because
> the condition variable used to determine if the completion happened was
> never reset, and this condition variable is reused for both connection
> setup and teardown. This causes various driver crashes under heavy
> loads due to releasing resources too early.
>
> The fix is to use atomic bits to correctly reset the condition immediately
> after the completion is detected.
>
> Signed-off-by: Steve Wise<swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
Hey Roland, are these 2 patches ok to merge?
Thanks,
Steve.
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next prev parent reply other threads:[~2011-04-29 16:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-22 17:56 [PATCH 1/2] RDMA/cxgb4: Reset wait condition atomically Steve Wise
[not found] ` <20110422175607.8004.14295.stgit-T4OLL4TyM9aNDNWfRnPdfg@public.gmane.org>
2011-04-22 17:56 ` [PATCH 2/2] RDMA/cxgb4: EEH errors can hang the driver Steve Wise
2011-04-29 16:22 ` Steve Wise [this message]
[not found] ` <4DBAE5CE.1080702-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2011-04-29 16:24 ` [PATCH 1/2] RDMA/cxgb4: Reset wait condition atomically Roland Dreier
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