Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754857AbYJVORl (ORCPT ); Wed, 22 Oct 2008 10:17:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755567AbYJVOR2 (ORCPT ); Wed, 22 Oct 2008 10:17:28 -0400 Received: from nf-out-0910.google.com ([64.233.182.187]:19308 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754949AbYJVOR0 (ORCPT ); Wed, 22 Oct 2008 10:17:26 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=W+jZB0gmOmMbapAdLN5CJmWeTUOiTo+n2Qj9O/jzjFxNM9CmOaJlu2DqPWXisK9hoi Rc4agreY/BI66KahVpMUPmTM+Q3ajjsMzeKTMM3l4/3TvBnsBIVVQIBuStCcOAEMk//G MIxfMTP7WogSL8tmVJ16mZXtRt9phoVV6XA4I= Date: Wed, 22 Oct 2008 18:17:20 +0400 From: Cyrill Gorcunov To: Ingo Molnar Cc: Glauber Costa , LKML , "H. Peter Anvin" , Thomas Gleixner , "Maciej W. Rozycki" Subject: Re: [PATCH -tip] x86: do_boot_cpu - check if we have ESR register Message-ID: <20081022141720.GB9639@localhost> References: <20081022140009.GA9639@localhost> <20081022141354.GA26372@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20081022141354.GA26372@elte.hu> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1199 Lines: 38 [Ingo Molnar - Wed, Oct 22, 2008 at 04:13:54PM +0200] | | * Cyrill Gorcunov wrote: | | > We should touch ESR register if only we have it. | > The patch fixes the problem mentoined here | > | > http://lkml.org/lkml/2008/10/17/147 | > | > Signed-off-by: Cyrill Gorcunov | > CC: Glauber Costa | | > - apic_write(APIC_ESR, 0); | > - apic_read(APIC_ESR); | > + if (APIC_INTEGRATED(apic_version[phys_apicid])) { | > + apic_write(APIC_ESR, 0); | > + apic_read(APIC_ESR); | > + } | | i'm wondering - is the server there really that old, that it has no | integrated lapic? I.e. it's an i486 SMP box or so? Or perhaps some | other, weird SMP box? | | Ingo | I was quite wondering too -- it's Xeon server. >From http://lkml.org/lkml/2008/10/20/34 >> Hardware: Compaq P4 Xeon server, Broadcom CMIC-WS / CIOB-X2 board. >> Tell me if you need more detailed information. - Cyrill - -- 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/