Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752433Ab0ALMK3 (ORCPT ); Tue, 12 Jan 2010 07:10:29 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751224Ab0ALMK2 (ORCPT ); Tue, 12 Jan 2010 07:10:28 -0500 Received: from sca-es-mail-1.Sun.COM ([192.18.43.132]:48326 "EHLO sca-es-mail-1.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932065Ab0ALMK1 (ORCPT ); Tue, 12 Jan 2010 07:10:27 -0500 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: TEXT/PLAIN Date: Tue, 12 Jan 2010 04:09:03 -0800 From: Yinghai Lu Subject: [RFC PATCH 3/5] x86: using logical flat for amd cpu too. In-reply-to: <1263298146-25597-1-git-send-email-yinghai@kernel.org> To: Suresh Siddha , Linus Torvalds , "ananth@in.ibm.com" , Ingo Molnar , Thomas Gleixner , "H. Peter Anvin" , Andrew Morton Cc: linux-kernel@vger.kernel.org, Yinghai Lu Message-id: <1263298146-25597-2-git-send-email-yinghai@kernel.org> X-Mailer: git-send-email 1.6.4.2 References: <1263298146-25597-1-git-send-email-yinghai@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1964 Lines: 65 not sure it works again, could be bios fix the irq routing dest ? tested that amd support logical flat too when cpus num <= 8 and even bsp apic id > 8 so could remove vendor check... Signed-off-by: Yinghai Lu --- arch/x86/kernel/apic/apic.c | 11 ++--------- arch/x86/kernel/apic/probe_64.c | 13 ++----------- 2 files changed, 4 insertions(+), 20 deletions(-) Index: linux-2.6/arch/x86/kernel/apic/apic.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/apic/apic.c +++ linux-2.6/arch/x86/kernel/apic/apic.c @@ -1898,15 +1898,8 @@ void __cpuinit generic_processor_info(in max_physical_apicid = apicid; #ifdef CONFIG_X86_32 - switch (boot_cpu_data.x86_vendor) { - case X86_VENDOR_INTEL: - if (num_processors > 8) - def_to_bigsmp = 1; - break; - case X86_VENDOR_AMD: - if (max_physical_apicid >= 8) - def_to_bigsmp = 1; - } + if (num_processors > 8) + def_to_bigsmp = 1; #endif #if defined(CONFIG_SMP) || defined(CONFIG_X86_64) Index: linux-2.6/arch/x86/kernel/apic/probe_64.c =================================================================== --- linux-2.6.orig/arch/x86/kernel/apic/probe_64.c +++ linux-2.6/arch/x86/kernel/apic/probe_64.c @@ -67,17 +67,8 @@ void __init default_setup_apic_routing(v } #endif - if (apic == &apic_flat) { - switch (boot_cpu_data.x86_vendor) { - case X86_VENDOR_INTEL: - if (num_processors > 8) - apic = &apic_physflat; - break; - case X86_VENDOR_AMD: - if (max_physical_apicid >= 8) - apic = &apic_physflat; - } - } + if (apic == &apic_flat && num_processors > 8) + apic = &apic_physflat; printk(KERN_INFO "Setting APIC routing to %s\n", apic->name); -- 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/