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 17/20] ARM: LPAE: use phys_addr_t for physical start address in early_mem Date: Fri, 12 Nov 2010 18:00:37 +0000 [thread overview] Message-ID: <1289584840-18097-18-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> The physical start address of memory may be > 4GB and therefore unrepresentable using an unsigned long. This patch changes early_mem and arm_add_memory to use phys_addr_t instead of unsigned long for the start address. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> --- arch/arm/kernel/setup.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 3cadb46..751ac80 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -442,7 +442,7 @@ static struct machine_desc * __init setup_machine(unsigned int nr) return list; } -static int __init arm_add_memory(unsigned long start, unsigned long size) +static int __init arm_add_memory(phys_addr_t start, unsigned long size) { struct membank *bank = &meminfo.bank[meminfo.nr_banks]; @@ -478,7 +478,8 @@ static int __init arm_add_memory(unsigned long start, unsigned long size) static int __init early_mem(char *p) { static int usermem __initdata = 0; - unsigned long size, start; + unsigned long size; + phys_addr_t start; char *endp; /*
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 17/20] ARM: LPAE: use phys_addr_t for physical start address in early_mem Date: Fri, 12 Nov 2010 18:00:37 +0000 [thread overview] Message-ID: <1289584840-18097-18-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> The physical start address of memory may be > 4GB and therefore unrepresentable using an unsigned long. This patch changes early_mem and arm_add_memory to use phys_addr_t instead of unsigned long for the start address. Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> --- arch/arm/kernel/setup.c | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c index 3cadb46..751ac80 100644 --- a/arch/arm/kernel/setup.c +++ b/arch/arm/kernel/setup.c @@ -442,7 +442,7 @@ static struct machine_desc * __init setup_machine(unsigned int nr) return list; } -static int __init arm_add_memory(unsigned long start, unsigned long size) +static int __init arm_add_memory(phys_addr_t start, unsigned long size) { struct membank *bank = &meminfo.bank[meminfo.nr_banks]; @@ -478,7 +478,8 @@ static int __init arm_add_memory(unsigned long start, unsigned long size) static int __init early_mem(char *p) { static int usermem __initdata = 0; - unsigned long size, start; + unsigned long size; + phys_addr_t start; char *endp; /*
next prev parent reply other threads:[~2010-11-12 18:01 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 ` [PATCH v2 03/20] ARM: LPAE: use u32 instead of unsigned long for 32-bit ptes Catalin Marinas 2010-11-12 18:00 ` 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 ` Catalin Marinas [this message] 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 ` [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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