From: Andi Kleen <ak@suse.de>
To: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Muli Ben-Yehuda <muli@il.ibm.com>,
Yinghai Lu <yinghai.lu@amd.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@osdl.org>
Subject: Re: [PATCH 1/2] x86_64 irq: Simplify the vector allocator.
Date: Mon, 23 Oct 2006 22:29:05 -0700 [thread overview]
Message-ID: <200610232229.06240.ak@suse.de> (raw)
In-Reply-To: <m1ods3y7nc.fsf_-_@ebiederm.dsl.xmission.com>
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
next prev parent reply other threads:[~2006-10-24 12:29 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200610212100.k9LL0GtC018787@hera.kernel.org>
2006-10-22 3:51 ` [PATCH] x86-64: typo in __assign_irq_vector when updating pos for vector and offset Muli Ben-Yehuda
2006-10-22 5:13 ` Yinghai Lu
2006-10-22 6:55 ` yhlu
2006-10-22 8:50 ` Muli Ben-Yehuda
2006-10-22 8:50 ` Eric W. Biederman
2006-10-22 8:28 ` Yinghai Lu
2006-10-22 8:50 ` Muli Ben-Yehuda
2006-10-22 8:58 ` Eric W. Biederman
2006-10-22 16:02 ` yhlu
2006-10-22 16:19 ` yhlu
2006-10-22 21:33 ` Andi Kleen
2006-10-22 16:20 ` Muli Ben-Yehuda
2006-10-22 16:28 ` yhlu
2006-10-22 8:35 ` Eric W. Biederman
2006-10-22 8:52 ` Muli Ben-Yehuda
2006-10-22 9:10 ` Eric W. Biederman
2006-10-23 4:32 ` [PATCH 1/2] x86_64 irq: Simplify the vector allocator Eric W. Biederman
2006-10-23 4:35 ` [PATCH 2/2] x86_64 irq: Only look at per_cpu data for online cpus Eric W. Biederman
2006-10-23 6:17 ` yhlu
2006-10-23 8:14 ` Muli Ben-Yehuda
2006-10-23 6:15 ` [PATCH 1/2] x86_64 irq: Simplify the vector allocator yhlu
2006-10-24 5:29 ` Andi Kleen [this message]
2006-10-22 13:29 ` [PATCH] x86-64: typo in __assign_irq_vector when updating pos for vector and offset Andi Kleen
2006-10-22 16:31 ` Muli Ben-Yehuda
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