- Subject: Re: [PATCH RFC 0/4] Scheduler idle notifiers and users
- From: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
- Date: Thu, 16 Feb 2012 14:31:37 +1100
- Cc: Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>, Saravana Kannan <skannan@xxxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, linaro-kernel@xxxxxxxxxxxxxxxx, Nicolas Pitre <nico@xxxxxxxxxxx>, Oleg Nesterov <oleg@xxxxxxxxxx>, cpufreq@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Anton Vorontsov <anton.vorontsov@xxxxxxxxxx>, "Paul E. McKenney" <paulmck@xxxxxxxxxxxxxxxxxx>, Mike Chan <mike@xxxxxxxxxxx>, Dave Jones <davej@xxxxxxxxxx>, Todd Poynor <toddpoynor@xxxxxxxxxx>, kernel-team@xxxxxxxxxxx, linux-arm-kernel@xxxxxxxxxxxxxxxxxxx, Arjan Van De Ven <arjan@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- In-reply-to: <1329318063.2293.136.camel@twins>
- References: <20120208013959.GA24535@panacea> <1328670355.2482.68.camel@laptop> <20120208202314.GA28290@redhat.com> <1328736834.2903.33.camel@pasglop> <20120209075106.GB18387@elte.hu> <4F35DD3E.4020406@codeaurora.org> <20120211144530.GA497@elte.hu> <4F3AEC4E.9000303@codeaurora.org> <1329313085.2293.106.camel@twins> <20120215140245.GB27825@n2100.arm.linux.org.uk> <1329318063.2293.136.camel@twins>
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.
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