Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755691Ab0GVF60 (ORCPT ); Thu, 22 Jul 2010 01:58:26 -0400 Received: from fgwmail5.fujitsu.co.jp ([192.51.44.35]:47148 "EHLO fgwmail5.fujitsu.co.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751761Ab0GVF6Z (ORCPT ); Thu, 22 Jul 2010 01:58:25 -0400 X-SecurityPolicyCheck-FJ: OK by FujitsuOutboundMailChecker v1.4.0 Message-ID: <4C47DDCF.80300@jp.fujitsu.com> Date: Thu, 22 Jul 2010 14:57:35 +0900 From: Yasuaki Ishimatsu User-Agent: Thunderbird 2.0.0.23 (Windows/20090812) MIME-Version: 1.0 To: linux-kernel@vger.kernel.org, hpa@linux.intel.com, tglx@linutronix.de, mingo@redhat.com CC: kaneshige.kenji@jp.fujitsu.com Subject: [PATCH] x86: ioremap: fix wrong physical address handling in PAT code Content-Type: text/plain; charset=ISO-2022-JP Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1409 Lines: 37 From: Yasuaki Ishimatsu The following two commits fixed a problem that x86 ioremap() doesn't handle physical address higher than 32-bit properly in X86_32 PAE mode. ffa71f33a820d1ab3f2fc5723819ac60fb76080b (x86, ioremap: Fix incorrect physical address handling in PAE mode) 35be1b716a475717611b2dc04185e9d80b9cb693 (x86, ioremap: Fix normal ram range check) But these fixes are not enough, since pat_pagerange_is_ram() in PAT code also has a same problem. This patch fixes it. Signed-off-by: Yasuaki Ishimatsu --- It is for -tip tree. Index: linux-2.6-x86/arch/x86/mm/pat.c =================================================================== --- linux-2.6-x86.orig/arch/x86/mm/pat.c 2010-07-22 03:04:38.000000000 +0900 +++ linux-2.6-x86/arch/x86/mm/pat.c 2010-07-22 03:47:36.000000000 +0900 @@ -158,7 +158,7 @@ static unsigned long pat_x_mtrr_type(u64 return req_type; } -static int pat_pagerange_is_ram(unsigned long start, unsigned long end) +static int pat_pagerange_is_ram(resource_size_t start, resource_size_t end) { int ram_page = 0, not_rampage = 0; unsigned long page_nr; -- 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/