From: Cyril Chemparathy <cyril@ti.com> To: <linux-arm-kernel@lists.infradead.org> Cc: <linux-kernel@vger.kernel.org>, <nico@linaro.org>, <will.deacon@arm.com>, <catalin.marinas@arm.com>, Cyril Chemparathy <cyril@ti.com>, Vitaly Andrianov <vitalya@ti.com> Subject: [RFC 13/23] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Date: Mon, 23 Jul 2012 21:09:15 -0400 [thread overview] Message-ID: <1343092165-9470-14-git-send-email-cyril@ti.com> (raw) In-Reply-To: <1343092165-9470-1-git-send-email-cyril@ti.com> This patch adds an architecture defined override for ARCH_LOW_ADDRESS_LIMIT. On PAE systems, the absence of this override causes bootmem to incorrectly limit itself to 32-bit addressable physical memory. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Vitaly Andrianov <vitalya@ti.com> --- arch/arm/include/asm/memory.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 7629dfe..c330a23 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -285,6 +285,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define arch_is_coherent() 0 #endif +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK + #endif #include <asm-generic/memory_model.h> -- 1.7.9.5
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From: cyril@ti.com (Cyril Chemparathy) To: linux-arm-kernel@lists.infradead.org Subject: [RFC 13/23] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Date: Tue, 24 Jul 2012 01:10:24 -0000 [thread overview] Message-ID: <1343092165-9470-14-git-send-email-cyril@ti.com> (raw) In-Reply-To: <1343092165-9470-1-git-send-email-cyril@ti.com> This patch adds an architecture defined override for ARCH_LOW_ADDRESS_LIMIT. On PAE systems, the absence of this override causes bootmem to incorrectly limit itself to 32-bit addressable physical memory. Signed-off-by: Cyril Chemparathy <cyril@ti.com> Signed-off-by: Vitaly Andrianov <vitalya@ti.com> --- arch/arm/include/asm/memory.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 7629dfe..c330a23 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -285,6 +285,8 @@ static inline __deprecated void *bus_to_virt(unsigned long x) #define arch_is_coherent() 0 #endif +#define ARCH_LOW_ADDRESS_LIMIT PHYS_MASK + #endif #include <asm-generic/memory_model.h> -- 1.7.9.5
next prev parent reply other threads:[~2012-07-24 1:11 UTC|newest] Thread overview: 88+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-07-24 1:09 [RFC 00/23] Introducing the TI Keystone platform Cyril Chemparathy 2012-07-24 1:09 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 01/23] ARM: LPAE: disable phys-to-virt patching on PAE systems Cyril Chemparathy 2012-07-24 1:09 ` Cyril Chemparathy 2012-07-24 9:41 ` Catalin Marinas 2012-07-24 9:41 ` Catalin Marinas 2012-07-24 10:43 ` Cyril Chemparathy 2012-07-24 10:43 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 02/23] ARM: LPAE: use signed arithmetic for mask definitions Cyril Chemparathy 2012-07-24 1:09 ` Cyril Chemparathy 2012-07-24 10:05 ` Catalin Marinas 2012-07-24 10:05 ` Catalin Marinas 2012-07-24 10:52 ` Cyril Chemparathy 2012-07-24 10:52 ` Cyril Chemparathy 2012-07-31 15:35 ` Cyril Chemparathy 2012-07-31 15:35 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 03/23] ARM: LPAE: use phys_addr_t on virt <--> phys conversion Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 10:37 ` Catalin Marinas 2012-07-24 10:37 ` Catalin Marinas 2012-07-24 10:55 ` Cyril Chemparathy 2012-07-24 10:55 ` Cyril Chemparathy 2012-07-24 11:02 ` Catalin Marinas 2012-07-24 11:02 ` Catalin Marinas 2012-07-24 1:09 ` [RFC 04/23] ARM: LPAE: use phys_addr_t in alloc_init_pud() Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 05/23] ARM: LPAE: use phys_addr_t in free_memmap() Cyril Chemparathy 2012-07-24 1:09 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 06/23] ARM: LPAE: use phys_addr_t for initrd location and size Cyril Chemparathy 2012-07-24 1:33 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 07/23] ARM: LPAE: use phys_addr_t for membank size Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 10:04 ` Will Deacon 2012-07-24 10:04 ` Will Deacon 2012-07-24 10:46 ` Cyril Chemparathy 2012-07-24 10:46 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 08/23] ARM: LPAE: use 64-bit pgd physical address in switch_mm() Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 09/23] ARM: LPAE: use 64-bit accessors for TTBR registers Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 10/23] ARM: mm: use physical addresses in highmem sanity checks Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 11/23] ARM: mm: cleanup checks for membank overlap with vmalloc area Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 12/23] ARM: mm: clean up membank size limit checks Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` Cyril Chemparathy [this message] 2012-07-24 1:10 ` [RFC 13/23] ARM: LPAE: define ARCH_LOW_ADDRESS_LIMIT for bootmem Cyril Chemparathy 2012-07-24 1:09 ` [RFC 14/23] ARM: LPAE: factor out T1SZ and TTBR1 computations Cyril Chemparathy 2012-07-24 1:38 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 15/23] ARM: LPAE: allow proc override of TTB setup Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 16/23] ARM: LPAE: accomodate >32-bit addresses for page table base Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 17/23] ARM: add machine desc hook for early memory/paging initialization Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 14:32 ` Arnd Bergmann 2012-07-24 14:32 ` Arnd Bergmann 2012-07-24 14:47 ` Cyril Chemparathy 2012-07-24 14:47 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 18/23] ARM: add virt_to_idmap for interconnect aliasing Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 19/23] drivers: cma: fix addressing on PAE machines Cyril Chemparathy 2012-07-24 1:38 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 20/23] mm: bootmem: use phys_addr_t for physical addresses Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 21/23] ARM: keystone: introducing TI Keystone platform Cyril Chemparathy 2012-07-24 1:38 ` Cyril Chemparathy 2012-07-24 14:46 ` Arnd Bergmann 2012-07-24 14:46 ` Arnd Bergmann 2012-07-24 17:56 ` Cyril Chemparathy 2012-07-24 17:56 ` Cyril Chemparathy 2012-07-24 18:45 ` Arnd Bergmann 2012-07-24 18:45 ` Arnd Bergmann 2012-07-24 1:09 ` [RFC 22/23] ARM: keystone: enable SMP on Keystone machines Cyril Chemparathy 2012-07-24 1:10 ` Cyril Chemparathy 2012-07-24 1:09 ` [RFC 23/23] ARM: keystone: add switch over to high physical address range Cyril Chemparathy 2012-07-24 1:33 ` Cyril Chemparathy 2012-07-24 9:49 ` Catalin Marinas 2012-07-24 9:49 ` Catalin Marinas 2012-07-24 14:39 ` Arnd Bergmann 2012-07-24 14:39 ` Arnd Bergmann 2012-07-24 14:59 ` Cyril Chemparathy 2012-07-24 14:59 ` Cyril Chemparathy 2012-07-24 9:08 ` [RFC 00/23] Introducing the TI Keystone platform Will Deacon 2012-07-24 9:08 ` Will Deacon 2012-07-24 10:41 ` Cyril Chemparathy 2012-07-24 10:41 ` Cyril Chemparathy
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