From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ch1outboundpool.messaging.microsoft.com (ch1ehsobe002.messaging.microsoft.com [216.32.181.182]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Microsoft Secure Server Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id B081AB6F7C for ; Tue, 27 Sep 2011 08:15:51 +1000 (EST) Message-ID: <4E80F941.2090408@freescale.com> Date: Mon, 26 Sep 2011 17:14:25 -0500 From: Timur Tabi MIME-Version: 1.0 To: Kumar Gala Subject: Re: [PATCH] powerpc/85xx: fix PHYS_64BIT selection for P1022DS References: <1316806370-21067-1-git-send-email-agust@denx.de> In-Reply-To: Content-Type: text/plain; charset="ISO-8859-1" Cc: Anatolij Gustschin , "linuxppc-dev@lists.ozlabs.org" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Kumar Gala wrote: > Why, the way this patch makes it will work both with a 32-bit or 36-bit address map. The comment should be fixed since its wrong. I think the BSP team had said that there is a significant performance improvement in some benchmark when 36-bit support is disabled. That's why they like to keep 32-bit and 36-bit environments for both, and why they default to 32-bit. -- Timur Tabi Linux kernel developer at Freescale