Date: Thu, 5 Oct 2006 12:46:01 -0700
From: Andrew Morton <akpm@osdl.org>
To: David Howells <dhowells@redhat.com>
Cc: Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
       torvalds@osdl.org, linux-kernel@vger.kernel.org,
       linux-arch@vger.kernel.org, Dmitry Torokhov <dtor@mail.ru>,
       Greg KH <greg@kroah.com>, David Brownell <david-b@pacbell.net>,
       Alan Stern <stern@rowland.harvard.edu>
Subject: Re: [PATCH 3/3] IRQ: Maintain regs pointer globally rather than
 passing to IRQ handlers
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	<20061002162053.17763.26032.stgit@warthog.cambridge.redhat.com>
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On Thu, 05 Oct 2006 15:22:07 +0100
David Howells <dhowells@redhat.com> wrote:

> Andrew Morton <akpm@osdl.org> wrote:
> 
> > These should just use __get_cpu_var().
> 
> Done.
> 
> > And could we please remove the irq_regs macro?
> 
> Done.
> 
> > I think the change is good.  But I don't want to maintain this whopper
> > out-of-tree for two months!  If we want to do this, we should just smash it
> > in and grit our teeth.  But I am a bit concerned about the non-x86
> > architectures.  I assume they'll continue to compile-and-work?
> 
> Well, it seems that IA64 and MIPS don't build as of 2.6.19-rc1 without my
> having to do anything.  i386, x86_64, powerpc and frv build for at least one
> configuration each.  The other archs I haven't touched, so will definitely
> break.
> 
> Can those arch maintainers give me patches?
> 
> 
> Anyway, I've made a GIT tree with just IRQ my patches in.  It can be browsed
> at:
> 
> 	http://git.infradead.org/?p=users/dhowells/irq-2.6.git;a=shortlog
> 
> Or pulled from:
> 
> 	git://git.infradead.org/~dhowells/irq-2.6.git
> 
> David
> 
> ---
> The following changes since commit d223a60106891bfe46febfacf46b20cd8509aaad:
>   Linus Torvalds:
>         Linux 2.6.19-rc1
> 
> are found in the git repository at:
> 
>   git://git.infradead.org/~dhowells/irq-2.6.git
> 

A quick survey of the wreckage:

- Dmitry's input git tree breaks a bit

- five of Greg's USB patches need fixing

- a few random -mm patches need touchups

- The hrtimer+dynticks i386 patch takes rather a hit and will need redoing.

So, not too bad at all.  It's a bit rough on the poor old arch maintainers,
but it's pretty simple stuff.

I'd say let's do it...
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