Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751815AbYANPsj (ORCPT ); Mon, 14 Jan 2008 10:48:39 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750968AbYANPs3 (ORCPT ); Mon, 14 Jan 2008 10:48:29 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:58238 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750861AbYANPs2 (ORCPT ); Mon, 14 Jan 2008 10:48:28 -0500 Date: Mon, 14 Jan 2008 16:48:17 +0100 From: Ingo Molnar To: Jan Beulich Cc: Jeremy Fitzhardinge , linux-kernel@vger.kernel.org Subject: Re: [PATCH] adjust/fix LDT handling for Xen Message-ID: <20080114154817.GA14000@elte.hu> References: <4787436E.76E4.0078.0@novell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4787436E.76E4.0078.0@novell.com> User-Agent: Mutt/1.5.17 (2007-11-01) 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: 0.0005] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 774 Lines: 20 * Jan Beulich wrote: > Don't rely on kmalloc(PAGE_SIZE) returning PAGE_SIZE aligned memory > (Xen requires GDT *and* LDT to be page-aligned). Using the page > allocator interface also removes the (albeit small) slab allocator > overhead. The same change being done for 64-bits for consistency. > > Further, the Xen hypercall interface expects the LDT address to be > virtual, not machine. coul dyou try this against x86.git as well? We already unified ldt.c as part of the paravirt patches. 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/