From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg KH Date: Wed, 12 Sep 2012 18:15:03 +0000 Subject: Re: [PATCH v2] /dev/mem: use phys_addr_t for physical addresses Message-Id: <20120912181503.GB12840@kroah.com> List-Id: References: <1347473158-7219-1-git-send-email-cyril@ti.com> In-Reply-To: <1347473158-7219-1-git-send-email-cyril@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-arm-kernel@lists.infradead.org On Wed, Sep 12, 2012 at 02:05:58PM -0400, Cyril Chemparathy wrote: > This patch fixes the /dev/mem driver to use phys_addr_t for physical > addresses. This is required on PAE systems, especially those that run > entirely out of >4G physical memory space. What is the symptom if this patch is not applied? Does it need to be backported to older kernels? If so, which ones? thanks, greg k-h From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@linuxfoundation.org (Greg KH) Date: Wed, 12 Sep 2012 11:15:03 -0700 Subject: [PATCH v2] /dev/mem: use phys_addr_t for physical addresses In-Reply-To: <1347473158-7219-1-git-send-email-cyril@ti.com> References: <1347473158-7219-1-git-send-email-cyril@ti.com> Message-ID: <20120912181503.GB12840@kroah.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Sep 12, 2012 at 02:05:58PM -0400, Cyril Chemparathy wrote: > This patch fixes the /dev/mem driver to use phys_addr_t for physical > addresses. This is required on PAE systems, especially those that run > entirely out of >4G physical memory space. What is the symptom if this patch is not applied? Does it need to be backported to older kernels? If so, which ones? thanks, greg k-h From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761055Ab2ILSPN (ORCPT ); Wed, 12 Sep 2012 14:15:13 -0400 Received: from mail-oa0-f46.google.com ([209.85.219.46]:49454 "EHLO mail-oa0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760946Ab2ILSPJ (ORCPT ); Wed, 12 Sep 2012 14:15:09 -0400 Date: Wed, 12 Sep 2012 11:15:03 -0700 From: Greg KH To: Cyril Chemparathy Cc: linux-arm-kernel@lists.infradead.org, linux-ia64@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sh@vger.kernel.org, arnd@arndb.de, dhowells@redhat.com, fenghua.yu@intel.com, lethal@linux-sh.org, linux@arm.linux.org.uk, nico@linaro.org, rob.herring@calxeda.com, tony.luck@intel.com, tony@atomide.com, will.deacon@arm.com Subject: Re: [PATCH v2] /dev/mem: use phys_addr_t for physical addresses Message-ID: <20120912181503.GB12840@kroah.com> References: <1347473158-7219-1-git-send-email-cyril@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1347473158-7219-1-git-send-email-cyril@ti.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Sep 12, 2012 at 02:05:58PM -0400, Cyril Chemparathy wrote: > This patch fixes the /dev/mem driver to use phys_addr_t for physical > addresses. This is required on PAE systems, especially those that run > entirely out of >4G physical memory space. What is the symptom if this patch is not applied? Does it need to be backported to older kernels? If so, which ones? thanks, greg k-h