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From: Catalin Marinas <catalin.marinas@arm.com>
To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Cc: Will Deacon <will.deacon@arm.com>
Subject: [PATCH v2 03/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes
Date: Fri, 12 Nov 2010 18:00:23 +0000	[thread overview]
Message-ID: <1289584840-18097-4-git-send-email-catalin.marinas@arm.com> (raw)
In-Reply-To: <1289584840-18097-1-git-send-email-catalin.marinas@arm.com>

From: Will Deacon <will.deacon@arm.com>

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 <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
 arch/arm/include/asm/page-nommu.h           |    8 ++++----
 arch/arm/include/asm/pgtable-2level-types.h |   18 +++++++++---------
 2 files changed, 13 insertions(+), 13 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)

WARNING: multiple messages have this Message-ID (diff)
From: catalin.marinas@arm.com (Catalin Marinas)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 03/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes
Date: Fri, 12 Nov 2010 18:00:23 +0000	[thread overview]
Message-ID: <1289584840-18097-4-git-send-email-catalin.marinas@arm.com> (raw)
In-Reply-To: <1289584840-18097-1-git-send-email-catalin.marinas@arm.com>

From: Will Deacon <will.deacon@arm.com>

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 <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
---
 arch/arm/include/asm/page-nommu.h           |    8 ++++----
 arch/arm/include/asm/pgtable-2level-types.h |   18 +++++++++---------
 2 files changed, 13 insertions(+), 13 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)

  parent reply	other threads:[~2010-11-12 18:00 UTC|newest]

Thread overview: 154+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-11-12 18:00 [PATCH v2 00/20] ARM: Add support for the Large Physical Address Extensions Catalin Marinas
2010-11-12 18:00 ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 01/20] ARM: LPAE: Use PMD_(SHIFT|SIZE|MASK) instead of PGDIR_* Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 12:43   ` Russell King - ARM Linux
2010-11-22 12:43     ` Russell King - ARM Linux
2010-11-22 13:00     ` Catalin Marinas
2010-11-22 13:00       ` Catalin Marinas
2010-11-22 13:28       ` Russell King - ARM Linux
2010-11-22 13:28         ` Russell King - ARM Linux
2010-11-12 18:00 ` [PATCH v2 02/20] ARM: LPAE: Factor out 2-level page table definitions into separate files Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-15 23:31   ` Russell King - ARM Linux
2010-11-15 23:31     ` Russell King - ARM Linux
2010-11-16  9:14     ` Catalin Marinas
2010-11-16  9:14       ` Catalin Marinas
2010-11-16  9:59       ` Russell King - ARM Linux
2010-11-16  9:59         ` Russell King - ARM Linux
2010-11-16 10:02         ` Catalin Marinas
2010-11-16 10:02           ` Catalin Marinas
2010-11-16 10:04       ` Russell King - ARM Linux
2010-11-16 10:04         ` Russell King - ARM Linux
2010-11-16 10:11         ` Catalin Marinas
2010-11-16 10:11           ` Catalin Marinas
2010-11-12 18:00 ` Catalin Marinas [this message]
2010-11-12 18:00   ` [PATCH v2 03/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes Catalin Marinas
2010-11-14 13:19   ` Russell King - ARM Linux
2010-11-14 13:19     ` Russell King - ARM Linux
2010-11-14 14:09     ` Catalin Marinas
2010-11-14 14:09       ` Catalin Marinas
2010-11-14 14:13       ` Catalin Marinas
2010-11-14 14:13         ` Catalin Marinas
2010-11-14 15:14         ` Russell King - ARM Linux
2010-11-14 15:14           ` Russell King - ARM Linux
2010-11-15  9:39           ` Catalin Marinas
2010-11-15  9:39             ` Catalin Marinas
2010-11-15  9:47             ` Arnd Bergmann
2010-11-15  9:47               ` Arnd Bergmann
2010-11-15  9:51               ` Catalin Marinas
2010-11-15  9:51                 ` Catalin Marinas
2010-11-15 22:11                 ` Nicolas Pitre
2010-11-15 22:11                   ` Nicolas Pitre
2010-11-15 23:35                   ` Russell King - ARM Linux
2010-11-15 23:35                     ` Russell King - ARM Linux
2010-11-16  9:19                   ` Catalin Marinas
2010-11-16  9:19                     ` Catalin Marinas
2010-11-15 22:07               ` Nicolas Pitre
2010-11-15 22:07                 ` Nicolas Pitre
2010-11-15 17:36             ` Russell King - ARM Linux
2010-11-15 17:36               ` Russell King - ARM Linux
2010-11-15 17:39               ` Catalin Marinas
2010-11-15 17:39                 ` Catalin Marinas
2010-11-16 19:34       ` Catalin Marinas
2010-11-16 19:34         ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 04/20] ARM: LPAE: Do not assume Linux PTEs are always at PTRS_PER_PTE offset Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-15 17:42   ` Russell King - ARM Linux
2010-11-15 17:42     ` Russell King - ARM Linux
2010-11-15 21:46     ` Catalin Marinas
2010-11-15 21:46       ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 05/20] ARM: LPAE: Introduce L_PTE_NOEXEC and L_PTE_NOWRITE Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-15 18:30   ` Russell King - ARM Linux
2010-11-15 18:30     ` Russell King - ARM Linux
2010-11-16 10:07     ` Catalin Marinas
2010-11-16 10:07       ` Catalin Marinas
2010-11-16 15:18     ` Catalin Marinas
2010-11-16 15:18       ` Catalin Marinas
2010-11-16 15:32       ` Catalin Marinas
2010-11-16 15:32         ` Catalin Marinas
2010-11-16 18:19       ` Russell King - ARM Linux
2010-11-16 18:19         ` Russell King - ARM Linux
2010-11-17 17:02     ` Catalin Marinas
2010-11-17 17:02       ` Catalin Marinas
2010-11-17 17:16       ` Russell King - ARM Linux
2010-11-17 17:16         ` Russell King - ARM Linux
2010-11-17 17:22         ` Catalin Marinas
2010-11-17 17:22           ` Catalin Marinas
2010-11-17 17:24           ` Russell King - ARM Linux
2010-11-17 17:24             ` Russell King - ARM Linux
2010-11-17 17:30             ` Catalin Marinas
2010-11-17 17:30               ` Catalin Marinas
2010-11-17 17:32               ` Russell King - ARM Linux
2010-11-17 17:32                 ` Russell King - ARM Linux
2010-11-17 17:34                 ` Catalin Marinas
2010-11-17 17:34                   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 06/20] ARM: LPAE: Introduce the 3-level page table format definitions Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-15 18:34   ` Russell King - ARM Linux
2010-11-15 18:34     ` Russell King - ARM Linux
2010-11-16  9:57     ` Catalin Marinas
2010-11-16  9:57       ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 07/20] ARM: LPAE: Page table maintenance for the 3-level format Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 12:58   ` Russell King - ARM Linux
2010-11-22 12:58     ` Russell King - ARM Linux
2010-11-12 18:00 ` [PATCH v2 08/20] ARM: LPAE: MMU setup for the 3-level page table format Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-14 10:13   ` Catalin Marinas
2010-11-14 10:13     ` Catalin Marinas
2010-11-22 13:10   ` Russell King - ARM Linux
2010-11-22 13:10     ` Russell King - ARM Linux
2010-11-23 11:38     ` Catalin Marinas
2010-11-23 11:38       ` Catalin Marinas
2010-11-23 17:33       ` Russell King - ARM Linux
2010-11-23 17:33         ` Russell King - ARM Linux
2010-11-23 17:35         ` Catalin Marinas
2010-11-23 17:35           ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 09/20] ARM: LPAE: Change setup_mm_for_reboot() to work with LPAE Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 13:11   ` Russell King - ARM Linux
2010-11-22 13:11     ` Russell King - ARM Linux
2010-11-12 18:00 ` [PATCH v2 10/20] ARM: LPAE: Remove the FIRST_USER_PGD_NR and USER_PTRS_PER_PGD definitions Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 13:11   ` Russell King - ARM Linux
2010-11-22 13:11     ` Russell King - ARM Linux
2010-11-12 18:00 ` [PATCH v2 11/20] ARM: LPAE: Add fault handling support Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 13:15   ` Russell King - ARM Linux
2010-11-22 13:15     ` Russell King - ARM Linux
2010-11-22 13:19     ` Catalin Marinas
2010-11-22 13:19       ` Catalin Marinas
2010-11-22 13:32       ` Russell King - ARM Linux
2010-11-22 13:32         ` Russell King - ARM Linux
2010-11-22 13:38         ` Catalin Marinas
2010-11-22 13:38           ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 12/20] ARM: LPAE: Add context switching support Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 13/20] ARM: LPAE: Add SMP support for the 3-level page table format Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 13:37   ` Russell King - ARM Linux
2010-11-22 13:37     ` Russell King - ARM Linux
2010-11-12 18:00 ` [PATCH v2 14/20] ARM: LPAE: use phys_addr_t instead of unsigned long for physical addresses Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 15/20] ARM: LPAE: Use generic dma_addr_t type definition Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 16/20] ARM: LPAE: mark memory banks with start > ULONG_MAX as highmem Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 17/20] ARM: LPAE: use phys_addr_t for physical start address in early_mem Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 18/20] ARM: LPAE: add support for ATAG_MEM64 Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 19/20] ARM: LPAE: define printk format for physical addresses and page table entries Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-22 13:43   ` Russell King - ARM Linux
2010-11-22 13:43     ` Russell King - ARM Linux
2010-11-22 13:49     ` Catalin Marinas
2010-11-22 13:49       ` Catalin Marinas
2010-11-12 18:00 ` [PATCH v2 20/20] ARM: LPAE: Add the Kconfig entries Catalin Marinas
2010-11-12 18:00   ` Catalin Marinas
2010-11-13 12:38   ` Sergei Shtylyov
2010-11-13 12:38     ` Sergei Shtylyov
2010-11-14 10:11     ` Catalin Marinas
2010-11-14 10:11       ` Catalin Marinas

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