Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964895AbVLIW5M (ORCPT ); Fri, 9 Dec 2005 17:57:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964894AbVLIW5L (ORCPT ); Fri, 9 Dec 2005 17:57:11 -0500 Received: from cantor2.suse.de ([195.135.220.15]:28818 "EHLO mx2.suse.de") by vger.kernel.org with ESMTP id S964892AbVLIW5K (ORCPT ); Fri, 9 Dec 2005 17:57:10 -0500 Date: Fri, 9 Dec 2005 23:57:00 +0100 From: Andi Kleen To: Ravikiran G Thirumalai Cc: Andi Kleen , Rohit Seth , Andrew Morton , linux-kernel@vger.kernel.org, discuss@x86-64.org, zach@vmware.com, shai@scalex86.org, nippung@calsoftinc.com Subject: Re: [discuss] [patch] x86_64: align and pad x86_64 GDT on page boundary Message-ID: <20051209225700.GN11190@wotan.suse.de> References: <20051208215514.GE3776@localhost.localdomain> <1134083357.7131.21.camel@akash.sc.intel.com> <20051208231141.GX11190@wotan.suse.de> <1134084367.7131.32.camel@akash.sc.intel.com> <20051208232610.GY11190@wotan.suse.de> <1134085511.7131.53.camel@akash.sc.intel.com> <20051208234320.GB11190@wotan.suse.de> <20051209221922.GA3676@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20051209221922.GA3676@localhost.localdomain> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 602 Lines: 20 > Just that any writes on the bp GDT will invalidate the idt_table cacheline, > which is read mostly (as Nippun pointed out). So could we keep the padding > as it is for the BP too? Yes, good point. > Attached is the patch which fixes the retval in do_boot_cpu to return -1. > __cpu_up handles -1. > > Hope this patch is OK. Looks good. Thanks, -Andi - 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/