From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758273AbYGBBFB (ORCPT ); Tue, 1 Jul 2008 21:05:01 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1760490AbYGBBCi (ORCPT ); Tue, 1 Jul 2008 21:02:38 -0400 Received: from gw.goop.org ([64.81.55.164]:58692 "EHLO mail.goop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757990AbYGBBBx (ORCPT ); Tue, 1 Jul 2008 21:01:53 -0400 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCH 1 of 8] x86_64: create global mappings in head_64.S X-Mercurial-Node: 353bdb9d31cbee91deea55aa0bfe4fe07c0a1361 Message-Id: <353bdb9d31cbee91deea.1214955990@localhost> In-Reply-To: Date: Tue, 01 Jul 2008 16:46:30 -0700 From: Jeremy Fitzhardinge To: Ingo Molnar Cc: LKML , x86@kernel.org, Stephen Tweedie , Eduardo Habkost , Mark McLoughlin , x86@kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When creating the initial set of pagetables in head_64.S, create them global. This matches the mappings created later in the kernel boot; this means we can reuse these pagetables without causing an inconsistency. Signed-off-by: Jeremy Fitzhardinge --- arch/x86/kernel/head_64.S | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -374,7 +374,7 @@ /* Since I easily can, map the first 1G. * Don't set NX because code runs from these pages. */ - PMDS(0, __PAGE_KERNEL_LARGE_EXEC, PTRS_PER_PMD) + PMDS(0, __PAGE_KERNEL_LARGE_EXEC | _PAGE_GLOBAL, PTRS_PER_PMD) NEXT_PAGE(level2_kernel_pgt) /*