From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762447Ab0HGCSG (ORCPT ); Fri, 6 Aug 2010 22:18:06 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:37722 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751403Ab0HGCR6 (ORCPT ); Fri, 6 Aug 2010 22:17:58 -0400 From: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Cc: Andrew Morton , "Eric W. Biederman" , linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH 09/10] x86, apic: set fixmap only one time Date: Fri, 6 Aug 2010 19:15:42 -0700 Message-Id: <1281147343-18389-10-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.6.4.2 In-Reply-To: <1281147343-18389-1-git-send-email-yinghai@kernel.org> References: <1281147343-18389-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org check if mp_lapic_addr is assigned or not. Signed-off-by: Yinghai Lu --- arch/x86/kernel/apic/apic.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 2c9aa63..198131b 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1611,6 +1611,9 @@ void __init init_apic_mappings(void) void __init smp_register_lapic_address(unsigned long address) { + if (mp_lapic_addr) + return; + mp_lapic_addr = address; set_fixmap_nocache(FIX_APIC_BASE, address); -- 1.6.4.2