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* [ARM] pgtable: file pte layout documentationRussell King2009-07-051-9/+14
| | | | | | Document the layout of our file PTE entries. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] pgtable: swp pte layout documentation, definitions, and checkRussell King2009-07-051-5/+25
| | | | | | | | | Document the layout of our swp PTE entries, adding definitions for the bit masks/shifts/sizes, and implement MAX_SWAPFILES_CHECK() such that we fail to build if we are unable to properly encode the swp type field. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Convert pmd_page() to be highmem safeRussell King2009-04-261-1/+1
| | | | | | | | | | In the long run, we may want to place page tables in highmem. However, pmd_page() has traditionally been coded to convert the physical address to a virtual one, which won't work with highmem pages. Instead, translate the physical address to a PFN, and then convert the PFN to a struct page instead. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* Merge branch 'ptebits' into develRussell King2008-10-091-29/+54
|\ | | | | | | | | | | Conflicts: arch/arm/Kconfig
| * [ARM] Improve non-executable supportRussell King2008-10-011-20/+27
| | | | | | | | | | | | | | | | | | Add support for detecting non-executable stack binaries, and adjust permissions to prevent execution from data and stack areas. Also, ensure that READ_IMPLIES_EXEC is enabled for older CPUs where that is true, and for any executable-stack binary. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Remove MT_DEVICE_IXP2000 and associated definitionsRussell King2008-10-011-1/+0Star
| | | | | | | | | | | | | | | | As of the previous commit, MT_DEVICE_IXP2000 encodes to the same PTE bit encoding as MT_DEVICE, so it's now redundant. Convert MT_DEVICE_IXP2000 to use MT_DEVICE instead, and remove its aliases. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Convert ARMv6 and ARMv7 to use new memory typesRussell King2008-10-011-6/+2Star
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Convert Xscale and Xscale3 to use new memory typesRussell King2008-10-011-2/+2
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Introduce new PTE memory type bitsRussell King2008-10-011-5/+28
| | | | | | | | | | | | | | | | | | | | | | | | Provide L_PTE_MT_xxx definitions to describe the memory types that we use in Linux/ARM. These definitions are carefully picked such that: 1. their LSBs match what is required for pre-ARMv6 CPUs. 2. they all have a unique encoding, including after modification by build_mem_type_table() (the result being that some have more than one combination.) Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| * [ARM] Re-jig Linux PTE bits to allow room for 4 memory type bitsRussell King2008-10-011-4/+4
| | | | | | | | Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* | [ARM] 5271/1: get rid of pages_to_mb()Nicolas Pitre2008-09-301-5/+0Star
|/ | | | | | | There is no use of this in the whole tree. Signed-off-by: Nicolas Pitre <nico@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] Move include/asm-arm/arch-* to arch/arm/*/include/machRussell King2008-08-071-1/+1
| | | | | | This just leaves include/asm-arm/plat-* to deal with. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
* [ARM] move include/asm-arm to arch/arm/include/asmRussell King2008-08-021-0/+401
Move platform independent header files to arch/arm/include/asm, leaving those in asm/arch* and asm/plat* alone. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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