linux-kernel - Re: [PATCH PREEMPT_RT]: On AT91 ARM: GPIO Interrupt handling can/will stall forever

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Message-ID: <alpine.LFD.0.9999.0711302239100.13961@localhost.localdomain>
Date:	Fri, 30 Nov 2007 22:44:04 +0100 (CET)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
cc:	Remy Bohmer <linux@...mer.net>,
	Steven Rostedt <rostedt@...dmis.org>,
	Daniel Walker <dwalker@...sta.com>,
	RT <linux-rt-users@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	ARM Linux Mailing List 
	<linux-arm-kernel@...ts.arm.linux.org.uk>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [PATCH PREEMPT_RT]: On AT91 ARM: GPIO Interrupt handling can/will
 stall forever

On Thu, 29 Nov 2007, Russell King - ARM Linux wrote:
> If people insist on adding the mask/unmask crap to it, the function
> might as well be deleted and be an alias for handle_level_IRQ.  Because
> that's _precisely_ what you lot are turning it into.
> 
> Ah, and looking at the changes to the file, the addition of the mask
> and unmask was done by someone who didn't understand what this was
> trying to do.  So that change should be backed out.

It looks like a mechanical "fix them all" thingy. I never intended to
use the simple handler for anything else than a fast demux handler.

You are right, it needs to be backed out.

Thanks,

	tglx



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