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Re: [2.6.5] Bad scheduling while atomic

To: Stephen Hemminger <shemminger@xxxxxxxx>
Subject: Re: [2.6.5] Bad scheduling while atomic
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Fri, 16 Apr 2004 14:56:32 -0700
Cc: rol@xxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, netdev@xxxxxxxxxxx
In-reply-to: <20040416131633.1bfbfa4c@xxxxxxxxxxxxxxxxxxxxx>
References: <200404161551.i3GFpD124970@xxxxxxxxxxxxx> <20040416131633.1bfbfa4c@xxxxxxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Fri, 16 Apr 2004 13:16:33 -0700
Stephen Hemminger <shemminger@xxxxxxxx> wrote:

> Bring up/down network devices with lapbether causes scheduling while
> atomic (if preempt enabled).
> 
> The calls to rcu_read_lock are unnecessary since lapb_device_event 
> is called from notifier with the rtnetlink semaphore held, it is
> already protected from the labp_devices list changing.

Applied, thanks Stephen.

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