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

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Message-ID: <20061002214732.GA11451@elte.hu>
Date:	Mon, 2 Oct 2006 23:47:32 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Linus Torvalds <torvalds@...l.org>
Cc:	Andi Kleen <ak@...e.de>, Andrew Morton <akpm@...l.org>,
	David Howells <dhowells@...hat.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Dmitry Torokhov <dtor@...l.ru>, Greg KH <greg@...ah.com>,
	David Brownell <david-b@...bell.net>,
	Alan Stern <stern@...land.harvard.edu>
Subject: Re: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than passing to IRQ handlers


* Linus Torvalds <torvalds@...l.org> wrote:

> On Mon, 2 Oct 2006, Andi Kleen wrote:
> > 
> > How would you test something like this? It would touch all 
> > architectures and nearly all drivers too.
> 
> "If it compiles, it works".
> 
> Pretty close.

Note that the IRQ threading code in the -rt tree already passes NULL as 
the pt_regs argument to /all/ drivers [except the timer interrupt]. So 
there's more than just the compilation evidence ;-)

	Ingo
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