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Date: Wed, 4 Jun 2014 13:28:09 -0500 (CDT)
From: Christoph Lameter <cl@gentwo.org>
To: Tejun Heo <tj@kernel.org>
cc: Linus Torvalds <torvalds@linux-foundation.org>,
        linux-kernel@vger.kernel.org, Kent Overstreet <kmo@daterainc.com>,
        Sebastian Ott <sebott@linux.vnet.ibm.com>,
        Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: [GIT PULL] last minute percpu fix for v3.15-rc8
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On Wed, 4 Jun 2014, Tejun Heo wrote:

>
> Given that percpu operations can be performed on any allocated percpu
> area, it's a bit difficult to achieve tho.  The only way I can think
> of is percpu allocator creating lockdep key for all the allocated
> offsets which isn't too enticing. :(

Hmmm.. Or an annotation for a percpu variable saying that its being used
from an interrupt context.