linux-kernel - Re: [PATCH 1/2] x86_64 irq: Simplify the vector allocator.

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Date:	Mon, 23 Oct 2006 22:29:05 -0700
From:	Andi Kleen <ak@...e.de>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Muli Ben-Yehuda <muli@...ibm.com>, Yinghai Lu <yinghai.lu@....com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH 1/2] x86_64 irq: Simplify the vector allocator.

On Sunday 22 October 2006 21:32, Eric W. Biederman wrote:
> There is no reason to remember a per cpu position of which vector
> to try.  Keeping a global position is simpler and more likely to
> result in a global vector allocation even if I don't need or require
> it.  For level triggered interrupts this means we are less likely to
> acknowledge another cpus irq, and cause the level triggered irq to
> harmlessly refire.
>
> This simplification makes it easier to only access data structures
> of  online cpus, by having fewer special cases to deal with.

Shouldn't this and the following patch be done on i386 too? 

-Andi

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