From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933352Ab0KORle (ORCPT ); Mon, 15 Nov 2010 12:41:34 -0500 Received: from cam-admin0.cambridge.arm.com ([217.140.96.50]:49310 "EHLO cam-admin0.cambridge.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933330Ab0KORlI (ORCPT ); Mon, 15 Nov 2010 12:41:08 -0500 From: Catalin Marinas To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Will Deacon Subject: [PATCH v3 04/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes Date: Mon, 15 Nov 2010 17:40:13 +0000 Message-Id: <1289842829-3027-5-git-send-email-catalin.marinas@arm.com> X-Mailer: git-send-email 1.7.3.2.164.g6f10c In-Reply-To: <1289842829-3027-1-git-send-email-catalin.marinas@arm.com> References: <1289842829-3027-1-git-send-email-catalin.marinas@arm.com> X-OriginalArrivalTime: 15 Nov 2010 17:40:34.0457 (UTC) FILETIME=[34E21090:01CB84EC] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Will Deacon When using 2-level paging, pte_t and pmd_t are typedefs for unsigned long but phys_addr_t is a typedef for u32. This patch uses u32 for the page table entry types when phys_addr_t is not 64-bit, allowing the same conversion specifier to be used for physical addresses and page table entries regardless of LPAE. Signed-off-by: Will Deacon Signed-off-by: Catalin Marinas --- arch/arm/include/asm/page-nommu.h | 8 ++++---- arch/arm/include/asm/pgtable-2level-types.h | 18 +++++++++--------- arch/arm/mm/fault-armv.c | 2 +- 3 files changed, 14 insertions(+), 14 deletions(-) diff --git a/arch/arm/include/asm/page-nommu.h b/arch/arm/include/asm/page-nommu.h index d1b162a..a20641a 100644 --- a/arch/arm/include/asm/page-nommu.h +++ b/arch/arm/include/asm/page-nommu.h @@ -29,10 +29,10 @@ /* * These are used to make use of C type-checking.. */ -typedef unsigned long pte_t; -typedef unsigned long pmd_t; -typedef unsigned long pgd_t[2]; -typedef unsigned long pgprot_t; +typedef u32 pte_t; +typedef u32 pmd_t; +typedef u32 pgd_t[2]; +typedef u32 pgprot_t; #define pte_val(x) (x) #define pmd_val(x) (x) diff --git a/arch/arm/include/asm/pgtable-2level-types.h b/arch/arm/include/asm/pgtable-2level-types.h index 30f6741..adc4928 100644 --- a/arch/arm/include/asm/pgtable-2level-types.h +++ b/arch/arm/include/asm/pgtable-2level-types.h @@ -21,16 +21,16 @@ #undef STRICT_MM_TYPECHECKS -typedef unsigned long pteval_t; +typedef u32 pteval_t; #ifdef STRICT_MM_TYPECHECKS /* * These are used to make use of C type-checking.. */ -typedef struct { unsigned long pte; } pte_t; -typedef struct { unsigned long pmd; } pmd_t; -typedef struct { unsigned long pgd[2]; } pgd_t; -typedef struct { unsigned long pgprot; } pgprot_t; +typedef struct { u32 pte; } pte_t; +typedef struct { u32 pmd; } pmd_t; +typedef struct { u32 pgd[2]; } pgd_t; +typedef struct { u32 pgprot; } pgprot_t; #define pte_val(x) ((x).pte) #define pmd_val(x) ((x).pmd) @@ -45,10 +45,10 @@ typedef struct { unsigned long pgprot; } pgprot_t; /* * .. while these make it easier on the compiler */ -typedef unsigned long pte_t; -typedef unsigned long pmd_t; -typedef unsigned long pgd_t[2]; -typedef unsigned long pgprot_t; +typedef u32 pte_t; +typedef u32 pmd_t; +typedef u32 pgd_t[2]; +typedef u32 pgprot_t; #define pte_val(x) (x) #define pmd_val(x) (x) diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index 83e59f8..01210db 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -26,7 +26,7 @@ #include "mm.h" -static unsigned long shared_pte_mask = L_PTE_MT_BUFFERABLE; +static pteval_t shared_pte_mask = L_PTE_MT_BUFFERABLE; #if __LINUX_ARM_ARCH__ < 6 /*