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From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Hiroshi Shimamoto <h-shimamoto-ehU+Cx/zZe18UrSeD/g0lQ@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org,
	Hayato Momma <h-momma-JhyGz2TFV9J8UrSeD/g0lQ@public.gmane.org>
Subject: Re: [memnic PATCH] linux: fix to disable softirq before netif_receive_skb()
Date: Mon, 30 Jun 2014 00:14:53 +0200	[thread overview]
Message-ID: <6362330.xvAMVmviSp@xps13> (raw)
In-Reply-To: <7F861DC0615E0C47A872E6F3C5FCDDBD01101844-ZmjkEB1lVlLt6d3pZDjeaEtBU8KWyXPq@public.gmane.org>

> Calling netif_receive_skb() from memnic thread may cause deadlock, if
> softirq is not disabled.
> 
> The netif_receive_skb() should be called in softirq context, but memnic
> thread is not softirq context. That may conflict softirq work like a
> timer handler in kernel network stack.
> 
> Signed-off-by: Hiroshi Shimamoto <h-shimamoto-ehU+Cx/zZe18UrSeD/g0lQ@public.gmane.org>
> Reviewed-by: Hayato Momma <h-momma-JhyGz2TFV9J8UrSeD/g0lQ@public.gmane.org>

Applied

Thanks
-- 
Thomas

      parent reply	other threads:[~2014-06-29 22:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-06-06  7:54 [memnic PATCH] linux: fix to disable softirq before netif_receive_skb() Hiroshi Shimamoto
     [not found] ` <7F861DC0615E0C47A872E6F3C5FCDDBD01101844-ZmjkEB1lVlLt6d3pZDjeaEtBU8KWyXPq@public.gmane.org>
2014-06-29 22:14   ` Thomas Monjalon [this message]

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