linux-kernel - Re: [RFC trollpatch 1/1] genirq: Remove the fits all and nothing __do

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Date:	Thu, 9 Sep 2010 17:21:35 +1000
From:	Greg Ungerer <gerg@...pgear.com>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	Christoph Hellwig <hch@...radead.org>,
	linux-alpha@...r.kernel.org, linux-cris-kernel@...s.com,
	Haavard Skinnemoen <hskinnemoen@...el.com>,
	Tony Luck <tony.luck@...el.com>, linux-ia64@...r.kernel.org,
	Yoshinori Sato <ysato@...rs.sourceforge.jp>,
	Hirokazu Takata <takata@...ux-m32r.org>,
	Greg Ungerer <gerg@...inux.org>, Jeff Dike <jdike@...toit.com>,
	linux-parisc@...r.kernel.org, Chris Zankel <chris@...kel.net>,
	linux-arch@...r.kernel.org
Subject: Re: [RFC trollpatch 1/1] genirq: Remove the fits all and nothing
 __do_IRQ() code

Thomas Gleixner wrote:
> __do_IRQ() has been deprecated after a two years migration phase in
> commit 0e57aa1. Since then another 18 month have gone by.
> 
> So here's the status three and a half years after the flow based
> infrastructure was merged:
> 
>  The following architectures are fully converted to the new flow
>  handler code:
> 
>   arm, avr32, blackfin, frv, microblaze, mips, mn10300, powerpc, score, sh,
>   sparc 64bit, tile, x86, xtensa
> 
>   (avr32 and xtensa should set CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ
>   though)
> 
>  The following architectures are not using the generic interrupt
>  infrastructure at all and are therefor unaffected:
> 
>   s390, m68k, sparc 32bit
> 
>  The following architectures are still using __do_IRQ():
> 
>   alpha, cris, ia64, h8300, m32r, m68knommu, parisc, um

The m68knommu arch should be easy to fix up. Here is a first pass
patch. Tested and working on 1 board so far. I need to check all
the processor types, and test a few more to be sure :-)

Regards
Greg


-- 
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Greg Ungerer  --  Principal Engineer        EMAIL:     gerg@...pgear.com
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View attachment "m68knommu-stop-using-__do_IRQ.patch" of type "text/x-patch" (3532 bytes)