From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754626Ab1HZJjZ (ORCPT ); Fri, 26 Aug 2011 05:39:25 -0400 Received: from mail-bw0-f46.google.com ([209.85.214.46]:62595 "EHLO mail-bw0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752763Ab1HZJjX (ORCPT ); Fri, 26 Aug 2011 05:39:23 -0400 Date: Fri, 26 Aug 2011 13:39:18 +0400 From: Cyrill Gorcunov To: Ralf Jung , Bjorn Helgaas Cc: "H. Peter Anvin" , Suresh Siddha , Thomas Gleixner , Ingo Molnar , Yinghai Lu , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 1/2] x86, ioapic: Reserve only 128 bytes for IOAPICs Message-ID: <20110826093917.GE3903@sun> References: <20110825230539.5355.13851.stgit@bhelgaas.mtv.corp.google.com> <4E56F9E5.4000005@zytor.com> <20110826064838.GB3903@sun> <201108261122.33304.ralfjung-e@gmx.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <201108261122.33304.ralfjung-e@gmx.de> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Aug 26, 2011 at 11:22:32AM +0200, Ralf Jung wrote: > Hi, > > > I rather wonder if there a way to assign a different address for the > > watchdog Bjorn referring to. I don't have such machine to test but > > seems its base address is configurable via pmio. Just curious. > > That would be the watchdog in my laptop then, I guess (I'm the reporter of the > bug mentioned by Bjorn)? I don't know much about all the inner workings, but > if you send me patches I can tell you what they do. > > Kind regards, > Ralf Hi Ralf, I can't put that risk on you. Hell knows how it will react on such reprogramming (which is seems rather a bios duty than kernel). Bjorn, from where we pick this address at moment, it's obtained via pci config? Cyrill