From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751456AbVIVI5G (ORCPT ); Thu, 22 Sep 2005 04:57:06 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751457AbVIVI5F (ORCPT ); Thu, 22 Sep 2005 04:57:05 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:42205 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1751456AbVIVI5E (ORCPT ); Thu, 22 Sep 2005 04:57:04 -0400 Date: Thu, 22 Sep 2005 10:57:37 +0200 From: Ingo Molnar To: Zachary Amsden Cc: Linus Torvalds , Jeffrey Sheldon , Ole Agesen , Shai Fultheim , Andrew Morton , Jack Lo , Linux Kernel Mailing List , Virtualization Mailing List , Chris Wright , Martin Bligh , Pratap Subrahmanyam , Christopher Li , "H. Peter Anvin" , Zwane Mwaikambo , Andi Kleen Subject: Re: [PATCH 1/3] Bogus tls from gdt Message-ID: <20050922085737.GA25909@elte.hu> References: <200509220737.j8M7bKgh000928@zach-dev.vmware.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200509220737.j8M7bKgh000928@zach-dev.vmware.com> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL autolearn=disabled SpamAssassin version=3.0.4 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Zachary Amsden wrote: > The per-CPU initialization code is copying in bogus data into > thread->tls_array. Note that it copies &per_cpu(cpu_gdt_table, cpu), > not &per_cpu(cpu_gdt_table, cpu)[GDT_ENTRY_TLS_MIN). That is totally > broken and unnecessary. Make the initialization explicitly NULL. > > Signed-off-by: Zachary Amsden Acked-by: Ingo Molnar Ingo