From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759087Ab0JXBFL (ORCPT ); Sat, 23 Oct 2010 21:05:11 -0400 Received: from rcsinet10.oracle.com ([148.87.113.121]:48211 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758989Ab0JXBFG (ORCPT ); Sat, 23 Oct 2010 21:05:06 -0400 From: Yinghai Lu To: Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" Cc: Andrew Morton , Len Brown , linux-kernel@vger.kernel.org, Yinghai Lu Subject: [PATCH 10/15] x86, apic: Set fixmap only one time Date: Sat, 23 Oct 2010 18:02:24 -0700 Message-Id: <1287882149-29275-11-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.7.1 In-Reply-To: <1287882149-29275-1-git-send-email-yinghai@kernel.org> References: <1287882149-29275-1-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 3a4e770..2cfa622 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1682,6 +1682,9 @@ 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); -- 1.7.1