From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1162972Ab3DEUuq (ORCPT ); Fri, 5 Apr 2013 16:50:46 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:60670 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1162957Ab3DEUun (ORCPT ); Fri, 5 Apr 2013 16:50:43 -0400 From: Arnd Bergmann To: Gregory CLEMENT Subject: Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE Date: Fri, 5 Apr 2013 22:50:28 +0200 User-Agent: KMail/1.12.2 (Linux/3.8.0-16-generic; KDE/4.3.2; x86_64; ; ) Cc: Jason Cooper , Andrew Lunn , Grant Likely , Rob Herring , Thomas Petazzoni , Ezequiel Garcia , linux-arm-kernel@lists.infradead.org, devicetree-discuss@lists.ozlabs.org, linux-kernel@vger.kernel.org, Olof Johansson , Nicolas Pitre , Lior Amsalem , Maen Suleiman , Tawfik Bayouk , Shadi Ammouri , "Eran Ben-Avi" , Yehuda Yitschak , Nadav Haklai , Ike Pan , Chris Van Hoof , Dan Frazier , Leif Lindholm , Jon Masters , David Marlin , Sebastian Hesselbarth References: <1365193444-13441-1-git-send-email-gregory.clement@free-electrons.com> <1365193444-13441-3-git-send-email-gregory.clement@free-electrons.com> In-Reply-To: <1365193444-13441-3-git-send-email-gregory.clement@free-electrons.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201304052250.28641.arnd@arndb.de> X-Provags-ID: V02:K0:4N9ZxWec/YhrPPkNvpx2nVgITkDGhmNfYdx3ra9GpE5 8HoCaLGT4daUjU7KyXJi+lwoizu8ObXfRJUfLaAoZXf7geZwAk 5wIhEzprS5BbtWvZGcHPHKRcTPnIxMGEUPWHwA4bZUN3q9nPIs Dy0nfbVDGvfMVKyXSsjv65bzpwdHP1crxrPy2yRz/cVHhpp65b 3tByZAIG76K6zPsBMUISWW4N7rURIyAFwdWL76hsZDhK1Ylorc ob6gwZ3hFOy6Wu3EBEnwrj7DwYFzciVlGHjiGE0mxfs9LtXoH6 hyo5IS+LAtuLBSwEqz122X0e3xcdCZqK6tYh+81yOp6TjhTj6U 6qDpMwZ+vOXDC2LutZdA= Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday 05 April 2013, Gregory CLEMENT wrote: > From: Lior Amsalem > > In order to be able to support he LPAE, the internal registers virtual > base must be aligned to 2MB. > > Signed-off-by: Lior Amsalem > Signed-off-by: Gregory CLEMENT This is a surprising limitation. Can you extend the above text to go into more detail where that alignment requirement comes from? Arnd