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Date:	Fri, 19 Feb 2010 16:02:59 -0800 (PST)
From:	David Miller <>
Subject: Re: [PATCH 1/2] net: Fix sysctl restarts...

From: (Eric W. Biederman)
Date: Fri, 19 Feb 2010 15:58:53 -0800

> David Miller <> writes:
> 2> From: (Eric W. Biederman)
>> Date: Fri, 19 Feb 2010 15:35:27 -0800
>>> When we I fixed the deadlock that can happen if you write to forwarding
>>> while removing the device.  The deadlock was fixed, the restart worked
>>> but I somehow missed the fact that proc_dointvec modifies state and so
>>> defeated the change detection.  *embarrassing*
>> Ok, I'll have to push these around to Linus and a couple -stable
>> releases.
> The second patch fixes an issue which isn't quite as old.
> I caught it when I was looking for other rtnl_lock issues that
> I may have missed.  Thankfully the worst sysfs does is re-read
> the string from userspace on a restart so none of the sysfs
> rtnl_trylock cases have a nasty deadlock associated.
> Eric
> commit a160ee69c6a4622ed30c377a978554015e9931cb
> Author: Johannes Berg <>
> Date:   Mon Oct 5 02:22:23 2009 -0700

So the second patch needs to go to less -stable releases than the
other one.  Thanks for the info.
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