linux-kernel - Re: [PATCH] x86: SGU UV Fix irq affinity for hub based interrupts

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Date:	Mon, 12 Oct 2009 21:34:33 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Dimitri Sivanich <sivanich@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] x86: SGU UV Fix irq affinity for hub based interrupts


* Dimitri Sivanich <sivanich@....com> wrote:

> This patch fixes handling of uv hub irq affinity.  IRQs with ALL or
> NODE affinity can be routed to cpus other than their originally assigned
> cpu.  Those with CPU affinity cannot be rerouted.
> 
> Signed-off-by: Dimitri Sivanich <sivanich@....com>
> 
> ---
> 
> More specific handling for NODE affinity will be added once the patch for
> limiting irq affinity is in place.
> 
>  arch/x86/include/asm/uv/uv_irq.h |   15 +++-
>  arch/x86/kernel/apic/io_apic.c   |   49 ++++++++++++-

Could we please move all these UV specific functions out of the generic 
IO-APIC code? You can do it as a followup patch to this one, but i'd 
like to see the end result first before applying these - the interfacing 
is rather messy right now.

	Ingo
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