linux-kernel - Re: [PATCH 1/4] tile: support arch_irq_work

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Date:	Tue, 24 Mar 2015 22:00:31 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	cmetcalf@...hip.com
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 1/4] tile: support arch_irq_work_raise

On Tue, Mar 24, 2015 at 03:21:32PM -0400, cmetcalf@...hip.com wrote:
> From: Chris Metcalf <cmetcalf@...hip.com>
> 
> Tile includes a hypervisor hook to deliver messages to arbitrary
> tiles, so we can use that to raise an interrupt as soon as
> possible on our own core.  Unfortunately the Tilera hypervisor
> disabled that support on principle in previous releases, but
> it will be available in MDE 4.3.4 and later.
> 
> Signed-off-by: Chris Metcalf <cmetcalf@...hip.com>

I'm not much knowledgeable with tile but the self-ipi test is enough for
me to ack the change.

Acked-by: Frederic Weisbecker <fweisbec@...il.com>
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