Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261299AbVDDTIm (ORCPT ); Mon, 4 Apr 2005 15:08:42 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261336AbVDDTIm (ORCPT ); Mon, 4 Apr 2005 15:08:42 -0400 Received: from 71-33-33-84.albq.qwest.net ([71.33.33.84]:7563 "EHLO montezuma.fsmlabs.com") by vger.kernel.org with ESMTP id S261299AbVDDTIe (ORCPT ); Mon, 4 Apr 2005 15:08:34 -0400 Date: Mon, 4 Apr 2005 13:10:25 -0600 (MDT) From: Zwane Mwaikambo To: Li Shaohua cc: lkml , ACPI-DEV , Len Brown , Pavel Machek Subject: Re: [RFC 1/6]SEP initialization rework In-Reply-To: <1112580349.4194.331.camel@sli10-desk.sh.intel.com> Message-ID: References: <1112580349.4194.331.camel@sli10-desk.sh.intel.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1148 Lines: 27 On Mon, 4 Apr 2005, Li Shaohua wrote: > linux-2.6.11-root/arch/i386/kernel/smpboot.c | 6 ++++++ > linux-2.6.11-root/arch/i386/kernel/sysenter.c | 10 ++++++---- > linux-2.6.11-root/arch/i386/mach-voyager/voyager_smp.c | 6 ++++++ > 3 files changed, 18 insertions(+), 4 deletions(-) > > diff -puN arch/i386/kernel/sysenter.c~sep_init_cleanup arch/i386/kernel/sysenter.c > --- linux-2.6.11/arch/i386/kernel/sysenter.c~sep_init_cleanup 2005-03-28 09:32:30.936304248 +0800 > +++ linux-2.6.11-root/arch/i386/kernel/sysenter.c 2005-03-28 09:58:20.703703792 +0800 > @@ -26,6 +26,11 @@ void enable_sep_cpu(void *info) > int cpu = get_cpu(); > struct tss_struct *tss = &per_cpu(init_tss, cpu); > > + if (!boot_cpu_has(X86_FEATURE_SEP)) { > + put_cpu(); > + return; > + } > + Do you have systems like this? Is it really skipping SEP if the boot processor doesn't have SEP? - 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/