linux-kernel - Re: [PATCH] irq: remove obsolete definitions in interrupt.h

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Date:	Thu, 5 Apr 2012 12:56:01 +0200
From:	Sam Ravnborg <sam@...nborg.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-m68k@...ts.linux-m68k.org, Greg Ungerer <gerg@...inux.org>,
	sparclinux <sparclinux@...r.kernel.org>
Subject: Re: [PATCH] irq: remove obsolete definitions in interrupt.h

On Thu, Apr 05, 2012 at 10:43:12AM +0200, Thomas Gleixner wrote:
> On Wed, 4 Apr 2012, Sam Ravnborg wrote:
> 
> > interrupt.h contained a small fixlet for the days when
> > m68k and sparc32 did not use genirq.
> > As they have both entered the modern world this
> > fixlet can be dropped.
> 
> You forgot that there is still an esoteric architecture which has
> CONFIG_GENERIC_HARDIRQS=n.
Yup.

> 
> So at least the exit_irq_thread() needs to stay.
My grepping turn up no s390 users of this. But I may have missed it.

Anyway - take this as a reminder that there is an opportunity
to clean up after m68k + sparc32 got converted.

	Sam
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