Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933774Ab2HQJVu (ORCPT ); Fri, 17 Aug 2012 05:21:50 -0400 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:56151 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756543Ab2HQJVo (ORCPT ); Fri, 17 Aug 2012 05:21:44 -0400 Date: Fri, 17 Aug 2012 10:21:06 +0100 From: Catalin Marinas To: Tony Lindgren Cc: "linux-arch@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Arnd Bergmann , Will Deacon Subject: Re: [PATCH v2 04/31] arm64: MMU definitions Message-ID: <20120817092106.GA24389@arm.com> References: <1344966752-16102-1-git-send-email-catalin.marinas@arm.com> <1344966752-16102-5-git-send-email-catalin.marinas@arm.com> <20120817090451.GP11011@atomide.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20120817090451.GP11011@atomide.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1225 Lines: 32 On Fri, Aug 17, 2012 at 10:04:52AM +0100, Tony Lindgren wrote: > * Catalin Marinas [120814 10:57]: > > The virtual memory layout is described in > > Documentation/arm64/memory.txt. This patch adds the MMU definitions for > > the 4KB and 64KB translation table configurations. The SECTION_SIZE is > > 2MB with 4KB page and 512MB with 64KB page configuration. > > > > PHYS_OFFSET is calculated at run-time and stored in a variable (no > > run-time code patching at this stage). > > Care to clarify this part a bit? Is the memory standardized somehow > now and not needed? Or do we still need to add that for various SoCs > later on? The memory is not standardised but we have FDT to fully specify it. The PHYS_OFFSET does not need to be defined, it is automatically detected at boo-time based on the kernel load address and stored in a variable to be used later. > Other than that: > > Acked-by: Tony Lindgren Thanks. -- Catalin -- 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/