Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760250AbYHOQ6r (ORCPT ); Fri, 15 Aug 2008 12:58:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755207AbYHOQ6h (ORCPT ); Fri, 15 Aug 2008 12:58:37 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:48358 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754553AbYHOQ6g (ORCPT ); Fri, 15 Aug 2008 12:58:36 -0400 Date: Fri, 15 Aug 2008 18:58:21 +0200 From: Ingo Molnar To: Alex Nixon Cc: Jeremy Fitzhardinge , Linux Kernel Mailing List , "H. Peter Anvin" , Thomas Gleixner Subject: Re: [PATCH] change init_gdt to update the gdt via write_gdt, rather than a direct write. Message-ID: <20080815165821.GA18777@elte.hu> References: <48A5ACFA.7040906@citrix.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48A5ACFA.7040906@citrix.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 655 Lines: 18 * Alex Nixon wrote: > From: Alex Nixon > Date: Fri, 15 Aug 2008 11:21:56 +0100 > Subject: [PATCH] change init_gdt to update the gdt via write_gdt, rather than a direct write. > > By writing directly, a memory access violation can occur whilst > hotplugging a CPU if the entry was previously marked read-only. applied to tip/x86/urgent - thanks Alex. Ingo -- 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/