Re: [patch 03/28] net: Remove BKL from tun

[David Miller]

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Date: Sat, 10 Oct 2009 15:35:33 -0000

> The lock_kernel/unlock_kernel() in cycle_kernel_lock() which is called
> in tun_chr_open() is not serializing against anything and safe to
> remove.
> 
> tun_chr_fasync() is serialized by get/put_tun() and fasync_helper()
> has no dependency on BKL. The modification of tun->flags is racy with
> and without the BKL so removing it does not make it worse.
> 
> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

Applied to net-next-2.6, thanks!
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