From: Thomas Monjalon <thomas@monjalon.net>
To: "Burakov, Anatoly" <anatoly.burakov@intel.com>
Cc: stable@dpdk.org, "Zhang, Qi Z" <qi.z.zhang@intel.com>,
"dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-stable] [PATCH] ipc: fix locking while sending messages
Date: Fri, 29 Jun 2018 02:02:38 +0200 [thread overview]
Message-ID: <4017209.qn6vUfZg5o@xps> (raw)
In-Reply-To: <039ED4275CED7440929022BC67E706115323F36E@SHSMSX103.ccr.corp.intel.com>
27/06/2018 14:25, Zhang, Qi Z:
> From: Burakov, Anatoly
> >
> > Previously, we were putting an exclusive lock to prevent secondary processes
> > spinning up while we are sending our messages. However, using exclusive
> > locks had an effect of disallowing multiple simultaenous unrelated
> > messages/requests being sent, which was not the intention behind locking.
> >
> > Fix it to put a shared lock on the directory. That way, we still prevent
> > secondary process initializations while sending data over IPC, but allow
> > multiple unrelated transmissions to proceed.
> >
> > Fixes: 89f1fe7e6d95 ("eal: lock IPC directory on init and send")
> > Cc: stable@dpdk.org
> >
> > Signed-off-by: Anatoly Burakov <anatoly.burakov@intel.com>
>
> Tested-by: Qi Zhang <qi.z.zhang@intel.com>
>
> Thanks for the quick fix!
> Qi
Applied, thanks
prev parent reply other threads:[~2018-06-29 0:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-27 9:44 Anatoly Burakov
2018-06-27 12:25 ` Zhang, Qi Z
2018-06-29 0:02 ` Thomas Monjalon [this message]
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