linux-kernel - Re: Threaded interrupts for synaptic touchscreen in HTC dream

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Message-ID: <20090722155615.GA14026@rakim.wolfsonmicro.main>
Date:	Wed, 22 Jul 2009 16:56:15 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Trilok Soni <soni.trilok@...il.com>,
	Pavel Machek <pavel@....cz>, Arve Hj?nnev?g <arve@...roid.com>,
	kernel list <linux-kernel@...r.kernel.org>,
	Brian Swetland <swetland@...gle.com>,
	linux-input@...r.kernel.org, Andrew Morton <akpm@...l.org>,
	linux-i2c@...r.kernel.org,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	m.szyprowski@...sung.com, t.fujak@...sung.com,
	kyungmin.park@...sung.com, David Brownell <david-b@...bell.net>,
	Daniel Ribeiro <drwyrm@...il.com>
Subject: Re: Threaded interrupts for synaptic touchscreen in HTC dream

On Wed, Jul 22, 2009 at 05:15:59PM +0200, Thomas Gleixner wrote:
> On Wed, 22 Jul 2009, Mark Brown wrote:

> > That's what they're all doing at present outside of genirq.

> They just are racy against disable/enable/request/free I guess :)

All of them are using a locks which means none of those can run at the
same time as an interrupt is being serviced.
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