linux-kernel - Re: [patch 1/6] hardirq: Make hardirq bits generic

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Date:	Tue, 12 Nov 2013 15:09:42 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	Michael Schmitz <schmitz@...phys.uni-duesseldorf.de>,
	LKML <linux-kernel@...r.kernel.org>,
	"Linux/m68k" <linux-m68k@...r.kernel.org>
Subject: Re: [patch 1/6] hardirq: Make hardirq bits generic

Hi Thomas,

On Mon, Nov 11, 2013 at 8:34 PM, Thomas Gleixner <tglx@...utronix.de> wrote:
> Finally found the issue. The patch below fixes the problem here. The
> little missing detail is, that I zapped GET_CURRENT() assuming blindly
> that this is only needed for the preempt_count hackery. But in fact
> the world and some more depends on it which leads to interesting
> explosions.

Yes, GET_CURRENT() sets up the current task in %a2.

Many thanks for tracking this down!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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