From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261271AbVGLJRO (ORCPT ); Tue, 12 Jul 2005 05:17:14 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261282AbVGLJOs (ORCPT ); Tue, 12 Jul 2005 05:14:48 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:51094 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S261271AbVGLJOI (ORCPT ); Tue, 12 Jul 2005 05:14:08 -0400 Date: Tue, 12 Jul 2005 11:14:00 +0200 From: Pavel Machek To: Andrew Morton , kernel list Subject: [patch] Fix GDT loading during resume from suspend-to-RAM Message-ID: <20050712091400.GI1854@elf.ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Fix GDT loading during resume from suspend-to-RAM. Signed-off-by: Pavel Machek --- commit 523c9470749c558e002f3041f5af620acf7f3e0c tree 92b643196cbaa89fa54ff141bc94fee8664009b3 parent 79b675b6cc9268d178b3c0a2af2e4f944c5fdf9b author Tue, 12 Jul 2005 11:13:30 +0200 committer Tue, 12 Jul 2005 11:13:30 +0200 arch/i386/kernel/acpi/wakeup.S | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/i386/kernel/acpi/wakeup.S b/arch/i386/kernel/acpi/wakeup.S --- a/arch/i386/kernel/acpi/wakeup.S +++ b/arch/i386/kernel/acpi/wakeup.S @@ -74,8 +74,9 @@ wakeup_code: movw %ax,%fs movw $0x0e00 + 'i', %fs:(0x12) - # need a gdt - lgdt real_save_gdt - wakeup_code + # need a gdt -- use lgdtl to force 32-bit operands, in case + # the GDT is located past 16 megabytes + lgdtl real_save_gdt - wakeup_code movl real_save_cr0 - wakeup_code, %eax movl %eax, %cr0 -- teflon -- maybe it is a trademark, but it should not be.