From mboxrd@z Thu Jan  1 00:00:00 1970
From: benh@kernel.crashing.org (Benjamin Herrenschmidt)
Date: Thu, 16 Feb 2012 14:31:37 +1100
Subject: [PATCH RFC 0/4] Scheduler idle notifiers and users
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To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, 2012-02-15 at 16:01 +0100, Peter Zijlstra wrote:
> 
> Thing is, the scheduler doesn't care about completion, all it needs is
> to be able to kick-start the thing atomically. So you really have to
> wait for it or can you do an interrupt driven state machine?

Or the scheduler callback could schedule a wq to do the job ?

Cheers,
Ben.