Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755456Ab0LMHdq (ORCPT ); Mon, 13 Dec 2010 02:33:46 -0500 Received: from ozlabs.org ([203.10.76.45]:57056 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752675Ab0LMHdp (ORCPT ); Mon, 13 Dec 2010 02:33:45 -0500 From: Rusty Russell To: Jeremy Fitzhardinge Subject: Re: [PATCH RFC] x86: initialize initial_page_table before paravirt jumps Date: Mon, 13 Dec 2010 18:03:38 +1030 User-Agent: KMail/1.13.5 (Linux/2.6.35-23-generic; KDE/4.5.1; i686; ; ) Cc: x86@kernel.org, linux-kernel@vger.kernel.org, Ian Campbell , Borislav Petkov References: <201012091229.46430.rusty@rustcorp.com.au> <4D011758.6010501@goop.org> In-Reply-To: <4D011758.6010501@goop.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201012131803.39427.rusty@rustcorp.com.au> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1184 Lines: 26 On Fri, 10 Dec 2010 04:22:24 am Jeremy Fitzhardinge wrote: > On 12/08/2010 05:59 PM, Rusty Russell wrote: > > As of v2.6.36-rc8-54-gb40827f, initial_page_table needs to be set up to boot. > > My initial fix for lguest was to cut & paste in the initialization code, but > > as it's simply byte-twiddling (which could be done at compile time if we > > were clever enough), it seems better to do it unconditionally. > > > > Jeremy, Ingo does this make sense to you? Given it's rc5, I have an > > lguest-specific patch ready as an alternative... > > We have already committed a Xen-specific fix for this (twice!). Your > patch is a no-op for Xen because we never ended up using that entry path > through head_32.S, so if it fixes things for lguest then go for it. Hmm, I'm going to call that "Acked-by". But given the late stage in the cycle, I'll put the lguest-only version in now and submit this for next merge window. Thanks! Rusty. -- 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/