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From: Andrew Morton <akpm@linux-foundation.org>
To: Michal Suchanek <hramrach@centrum.cz>
Cc: netdev@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org,
	bugme-daemon@bugzilla.kernel.org,
	Herbert Xu <herbert@gondor.hengli.com.au>
Subject: Re: [Bugme-new] [Bug 18492] New: kernel softirq warning on boot
Date: Tue, 14 Sep 2010 13:57:30 -0700	[thread overview]
Message-ID: <20100914135730.8af6bc76.akpm@linux-foundation.org> (raw)
In-Reply-To: <AANLkTinE50xFx9nShGBeOf483G2FhogO-BCj=dfHBZS7@mail.gmail.com>

On Tue, 14 Sep 2010 22:45:19 +0200
Michal Suchanek <hramrach@centrum.cz> wrote:

> > rcu_read_unlock_bh() in netpoll_rx(), added by "netpoll: Fix RCU
> > usage".
> 
> Do you mean de85d99eb7b595f6751550184b94c1e2f74a828b?

yup.

> I am not sure reverting just that would work, nor that the kernel
> around that point is in shape for trying on a system I would want to
> still use. It's way back in history for a kernel which is just to be
> released.

No, we wouldn't want to revert it - it fixes stuff.

It could be that we just don't need the _bh locking, if local irqs are
reliably disabled.  But I didn't really look.


  reply	other threads:[~2010-09-14 20:58 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <bug-18492-10286@https.bugzilla.kernel.org/>
2010-09-14 19:07 ` [Bugme-new] [Bug 18492] New: kernel softirq warning on boot Andrew Morton
2010-09-14 20:45   ` Michal Suchanek
2010-09-14 20:57     ` Andrew Morton [this message]
2010-09-14 21:11       ` David Miller
2010-09-15  6:46         ` Herbert Xu
2010-09-16  4:40           ` David Miller
2010-09-17 18:00           ` Michal Suchanek
2010-09-17 23:55             ` David Miller

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