linux-kernel - Re: m68k: Convert to genirq (WIP)

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Message-ID: <BANLkTimebx56-Wb5JPWxYVnND9gG8OVdsQ@mail.gmail.com>
Date:	Sat, 4 Jun 2011 19:56:56 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	"Linux/m68k" <linux-m68k@...ts.linux-m68k.org>
Cc:	Thomas Gleixner <tglx@...utronix.de>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: m68k: Convert to genirq (WIP)

On Sat, May 28, 2011 at 20:32, Geert Uytterhoeven <geert@...ux-m68k.org> wrote:
> Now sparc32 has beaten me, I pushed out my work in progress of converting m68k
> to use the generic hardirq framework:
>
> git://git.kernel.org:/pub/scm/linux/kernel/git/geert/linux-m68k.git m68k-genirq
> http://git.kernel.org/?p=linux/kernel/git/geert/linux-m68k.git;a=shortlog;h=refs/heads/m68k-genirq

> Next on my list is Amiga, which will cover autovectored and chained interrupts.

I rebased to 3.0-rc1 and added (not in that order):
  [10] m68k/irq: Add m68k_setup_irq_controller()
  [11] m68k/irq: Adding missing "irq" offset in m68k_setup_irq_controller()
  [12] m68k/irq: Fix auto and user chips and handlers
  [13] m68k/amiga: Refactor amiints.c
  [14] m68k/amiga: Convert Amiga to genirq
  [15] m68k/amiga: Optimize interrupts using chain handlers

It works on Amiga now, too. It can still use some optimizations in the
irq_{enable,disable,ack,mask,mask_ack,unmask} area, as my BogoMIPS
rating dropped by ca 2.5% and is now under 16, for a 25 MHz 68040.

BTW, the second warning on Atari is still there.

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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