Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750901AbWJHTBt (ORCPT ); Sun, 8 Oct 2006 15:01:49 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751342AbWJHTBt (ORCPT ); Sun, 8 Oct 2006 15:01:49 -0400 Received: from mtagate5.uk.ibm.com ([195.212.29.138]:11894 "EHLO mtagate5.uk.ibm.com") by vger.kernel.org with ESMTP id S1750901AbWJHTBs (ORCPT ); Sun, 8 Oct 2006 15:01:48 -0400 Date: Sun, 8 Oct 2006 21:01:44 +0200 From: Muli Ben-Yehuda To: "Eric W. Biederman" Cc: Linus Torvalds , Ingo Molnar , Thomas Gleixner , Andi Kleen , "Protasevich, Natalie" , Andrew Morton , Linux-Kernel Subject: Re: [PATCH 3/3] x86_64 irq: Allocate a vector across all cpus for genapic_flat. Message-ID: <20061008190144.GQ14186@rhun.haifa.ibm.com> References: <20061006202324.GJ14186@rhun.haifa.ibm.com> <20061007080315.GM14186@rhun.haifa.ibm.com> <20061007175926.GN14186@rhun.haifa.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1001 Lines: 24 On Sun, Oct 08, 2006 at 07:47:55AM -0600, Eric W. Biederman wrote: > This should also fix the problem report where a hyperthreaded > cpu was receving the irq on the wrong hyperthread when in > logical delivery mode because the previous behaviour is restored. > > This patch properly records our allocation of the first 16 irqs > to the first 16 available vectors on all cpus. This should be > fine but it may run into problems with multiple interrupts at > the same interrupt level. Except for some badly maintained comments > in the code and the behaviour of the interrupt allocator I have > no real understanding of that problem. > > Signed-off-by: Eric W. Biederman Acked-by: Muli Ben-Yehuda Cheers, Muli - 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/