From: Andi Kleen <ak@muc.de>
To: Yinghai Lu <yinghai.lu@amd.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Andrew Morton <akpm@osdl.org>, Muli Ben-Yehuda <muli@il.ibm.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Adrian Bunk <bunk@stusta.de>
Subject: Re: [PATCH] x86_64 irq: reuse vector for __assign_irq_vector
Date: 27 Oct 2006 04:35:07 +0200 [thread overview]
Date: Fri, 27 Oct 2006 04:35:07 +0200 [thread overview]
Message-ID: <20061027023507.GA58088@muc.de> (raw)
In-Reply-To: <86802c440610260204t4620d25t2d2e40895203b17@mail.gmail.com>
On Thu, Oct 26, 2006 at 02:04:57AM -0700, Yinghai Lu wrote:
> Andi,
> please check the revised patch: It can be appied to current linus't tree.
>
> in phys flat mode, when using set_xxx_irq_affinity to irq balance from
> one cpu to another, _assign_irq_vector will get to increase last used
> vector and get new vector. this will use up the vector if enough
> set_xxx_irq_affintiy are called. and end with using same vector in
> different cpu for different irq. (that is not what we want, we only
> want to use same vector in different cpu for different irq when more
> than 0x240 irq needed). To keep it simple, the vector should be reused
> instead of getting new vector.
>
> Also according to Eric's review, make it more generic to be used with
> flat mode too.
Eric, do you ack the patch?
-andi
next prev parent reply other threads:[~2006-10-27 2:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-24 4:15 yhlu
2006-10-24 9:06 ` Muli Ben-Yehuda
2006-10-24 17:05 ` Andi Kleen
2006-10-26 9:04 ` Yinghai Lu
2006-10-26 18:10 ` Muli Ben-Yehuda
2006-10-27 2:35 ` Andi Kleen [this message]
2006-10-28 17:46 ` Andi Kleen
2006-10-28 18:53 ` Yinghai Lu
2006-10-24 18:45 Lu, Yinghai
2006-10-25 4:00 ` Yinghai Lu
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