linux-kernel - Re: [RFC PATCH 6/8] ARM: smp: Use generic API for ipi

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Message-ID: <20120618113617.GF12029@n2100.arm.linux.org.uk>
Date:	Mon, 18 Jun 2012 12:36:17 +0100
From:	Russell King - ARM Linux <linux@....linux.org.uk>
To:	Michal Simek <monstr@...str.eu>
Cc:	linux-kernel@...r.kernel.org, Marc Zyngier <marc.zyngier@....com>,
	Grant Likely <grant.likely@...retlab.ca>,
	Will Deacon <will.deacon@....com>,
	Rob Herring <rob.herring@...xeda.com>,
	Nicolas Pitre <nicolas.pitre@...aro.org>,
	linux-arm-kernel@...ts.infradead.org,
	Ohad Ben-Cohen <ohad@...ery.com>,
	Peter Crosthwaite <peter.crosthwaite@...alogix.com>
Subject: Re: [RFC PATCH 6/8] ARM: smp: Use generic API for ipi

On Mon, Jun 18, 2012 at 01:30:09PM +0200, Michal Simek wrote:
> Support dynamic IPI allocation. It supports cases
> where user wants to use IPI for communication among cpus
> and setup own handler for it.
> 
> New functions set_ipi_handler/clear_ipi_handler are used
> for dynamic allocation.

For what purpose?
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