Re: [RFC 5/5] Use NMI return notifier in perf pending

From: Peter Zijlstra
Date: Thu Jun 24 2010 - 02:00:35 EST

On Thu, 2010-06-24 at 11:04 +0800, Huang Ying wrote:
> Use general NMI return notifier mechanism to replace the self
> interrupt used in perf pending.
> Known issue: don't know how to deal with SPARC architecture.

NAK I want and need hardirq context for the callback
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