netdev - Re: [PATCH v3 2/2] decrement static keys on real destroy time

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Message-ID: <CAOS58YPKtZ-oLOtaNqgbxB4Nf0Vc=eL+FjgfMj4a9T0yjn57Sg@mail.gmail.com>
Date:	Thu, 26 Apr 2012 15:32:14 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Glauber Costa <glommer@...allels.com>
Cc:	cgroups@...r.kernel.org, netdev@...r.kernel.org,
	Li Zefan <lizefan@...wei.com>, kamezawa.hiroyu@...fujitsu.com,
	linux-mm@...ck.org, devel@...nvz.org
Subject: Re: [PATCH v3 2/2] decrement static keys on real destroy time

On Thu, Apr 26, 2012 at 3:28 PM, Glauber Costa <glommer@...allels.com> wrote:
> We need a broader audience for this, but if I understand the interface
> right, those functions should not be called in fast paths at all (contrary
> to the static_branch tests)
>
> The static_branch tests can be called from irq context, so we can't just get
> rid of the atomic op and use the mutex everywhere, we'd have
> to live with both.
>
> I will repost this series, with some more people in the CC list.

Great, thanks!

-- 
tejun
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