From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755409AbXHULs5 (ORCPT ); Tue, 21 Aug 2007 07:48:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751157AbXHULss (ORCPT ); Tue, 21 Aug 2007 07:48:48 -0400 Received: from cantor2.suse.de ([195.135.220.15]:33112 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750840AbXHULsr (ORCPT ); Tue, 21 Aug 2007 07:48:47 -0400 Date: Tue, 21 Aug 2007 14:42:40 +0200 From: Andi Kleen To: torvalds@osdl.org Cc: linux-kernel@vger.kernel.org, mel@csn.ul.ie Subject: [PATCH for 2.6.23] i386: Mark NUMA support experimental Message-ID: <20070821124240.GJ32640@bingen.suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org I did some testing and found quite a lot of problems (doesn't boot at all on non NUMA and misassigns cores on Opteron systems). Mark it as experimental and warn against its use for now. It's still default y for SUMMIT/NUMAQ because it'll presumably work on these systems. Signed-off-by: Andi Kleen --- arch/i386/Kconfig | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) Index: linux/arch/i386/Kconfig =================================================================== --- linux.orig/arch/i386/Kconfig +++ linux/arch/i386/Kconfig @@ -614,10 +614,14 @@ config X86_PAE # Common NUMA Features config NUMA - bool "Numa Memory Allocation and Scheduler Support" - depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) + bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)" + depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL default n if X86_PC default y if (X86_NUMAQ || X86_SUMMIT) + help + NUMA support for i386. This is currently high experimental + and should be only used for kernel development. It might also + cause boot failures. comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)