linux-kernel - Re: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than passing to IRQ handlers

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Message-Id: <20061002135842.35e31418.akpm@osdl.org>
Date:	Mon, 2 Oct 2006 13:58:42 -0700
From:	Andrew Morton <akpm@...l.org>
To:	David Brownell <david-b@...bell.net>
Cc:	David Howells <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, torvalds@...l.org,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Dmitry Torokhov <dtor@...l.ru>, Greg KH <greg@...ah.com>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than
 passing to IRQ handlers

On Mon, 2 Oct 2006 13:46:11 -0700
David Brownell <david-b@...bell.net> wrote:

> The only downside I can think of for dropping pt_regs is that now it's harder
> to just find the IRQ handler in a driver ... it's previously been all but
> guaranteed that the _only_ use of that type is the IRQ logic.  The upsides
> surely outweigh that.

You can use irqreturn_t for that.
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