Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161022AbWJXM37 (ORCPT ); Tue, 24 Oct 2006 08:29:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161025AbWJXM37 (ORCPT ); Tue, 24 Oct 2006 08:29:59 -0400 Received: from cantor2.suse.de ([195.135.220.15]:9418 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S1161022AbWJXM36 (ORCPT ); Tue, 24 Oct 2006 08:29:58 -0400 From: Andi Kleen To: "Eric W. Biederman" Subject: Re: [PATCH 1/2] x86_64 irq: Simplify the vector allocator. Date: Mon, 23 Oct 2006 22:29:05 -0700 User-Agent: KMail/1.9.1 Cc: Muli Ben-Yehuda , Yinghai Lu , Linux Kernel Mailing List , Andrew Morton References: <200610212100.k9LL0GtC018787@hera.kernel.org> <20061022085216.GQ5211@rhun.haifa.ibm.com> In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200610232229.06240.ak@suse.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 873 Lines: 20 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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/