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

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Message-ID: <alpine.LFD.2.02.1204051036470.2542@ionos>
Date:	Thu, 5 Apr 2012 10:43:12 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Sam Ravnborg <sam@...nborg.org>
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 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.

So at least the exit_irq_thread() needs to stay.

The request_threaded_irq() one should not be used by any S390
driver. If it's used, they have probably a special opcode for it. :)

Thanks,

	tglx

 
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