From: Muli Ben-Yehuda <muli@il.ibm.com>
To: Yinghai Lu <yinghai.lu@amd.com>
Cc: Andi Kleen <ak@muc.de>,
"Eric W. Biederman" <ebiederm@xmission.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>, Adrian Bunk <bunk@stusta.de>
Subject: Re: [PATCH] x86_64 irq: reuse vector for set_xxx_irq_affinity in phys flat mode
Date: Mon, 23 Oct 2006 10:15:15 +0200 [thread overview]
Message-ID: <20061023081515.GQ4354@rhun.haifa.ibm.com> (raw)
In-Reply-To: <86802c440610230002x340e3f95pa8ee98caa02e7e@mail.gmail.com>
On Mon, Oct 23, 2006 at 12:02:44AM -0700, Yinghai Lu wrote:
> 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 resued
> from one cpu to another instead of getting new vector.
>
> Signed-off-by: Yinghai Lu <yinghai.lu@amd.com>
Should I give this a spin? with or without Eric's two patches?
Cheers,
Muli
next prev parent reply other threads:[~2006-10-23 8:15 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-23 7:02 Yinghai Lu
2006-10-23 8:15 ` Muli Ben-Yehuda [this message]
2006-10-23 15:53 ` yhlu
2006-10-23 15:32 ` Eric W. Biederman
2006-10-23 20:45 ` Adrian Bunk
2006-10-23 21:29 ` Muli Ben-Yehuda
2006-10-23 17:34 ` Muli Ben-Yehuda
2006-10-23 20:00 Lu, Yinghai
2006-10-24 5:52 ` Oleg Verych
2006-10-24 6:03 ` yhlu
2006-10-23 21:07 Lu, Yinghai
2006-10-23 22:57 Lu, Yinghai
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