Re: [RFC][PATCH 2/6] x86, nmi: create new NMI handler routines

[Peter Zijlstra]

On Tue, 2011-08-23 at 10:14 -0400, Don Zickus wrote:

> Maybe I don't understand kfree_rcu, but what advantage do I have by
> placing rcu_head into nmiaction that never gets used except on unregister
> (which rarely happens to begin with)?

you don't have to wait for sync_rcu(), but you're right, this is an
absolute slow patch and we don't care.
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