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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:43:09 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-18 09:43:09 -0700 |
commit | 515b696b282f856c3ad1679ccd658120faa387d0 (patch) | |
tree | d9d7c1185c396617f128ca23463062308d11393b /arch/sh/include/asm/pgtable.h | |
parent | fa877c71e2136bd682b45022c96d5e073ced9f58 (diff) | |
parent | 064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff) | |
download | linux-515b696b282f856c3ad1679ccd658120faa387d0.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (262 commits)
sh: mach-ecovec24: Add user debug switch support
sh: Kill off unused se_skipped in alignment trap notification code.
sh: Wire up HAVE_SYSCALL_TRACEPOINTS.
video: sh_mobile_lcdcfb: use both register sets for display panning
video: sh_mobile_lcdcfb: implement display panning
sh: Fix up sh7705 flush_dcache_page() build.
sh: kfr2r09: document the PLL/FLL <-> RF relationship.
sh: mach-ecovec24: need asm/clock.h.
sh: mach-ecovec24: deassert usb irq on boot.
sh: Add KEYSC support for EcoVec24
sh: add kycr2_delay for sh_keysc
sh: cpufreq: Include CPU id in info messages.
sh: multi-evt support for SH-X3 proto CPU.
sh: clkfwk: remove bogus set_bus_parent() from SH7709.
sh: Fix the indication point of the liquid crystal of AP-325RXA(AP3300)
sh: Add EcoVec24 romImage defconfig
sh: USB disable process is needed if romImage boot for EcoVec24
sh: EcoVec24: add HIZA setting for LED
sh: EcoVec24: write MAC address in boot
sh: Add romImage support for EcoVec24
...
Diffstat (limited to 'arch/sh/include/asm/pgtable.h')
-rw-r--r-- | arch/sh/include/asm/pgtable.h | 34 |
1 files changed, 19 insertions, 15 deletions
diff --git a/arch/sh/include/asm/pgtable.h b/arch/sh/include/asm/pgtable.h index 2a011b18090b..4f3efa7d5a64 100644 --- a/arch/sh/include/asm/pgtable.h +++ b/arch/sh/include/asm/pgtable.h @@ -36,6 +36,12 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; #define NEFF_SIGN (1LL << (NEFF - 1)) #define NEFF_MASK (-1LL << NEFF) +static inline unsigned long long neff_sign_extend(unsigned long val) +{ + unsigned long long extended = val; + return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended; +} + #ifdef CONFIG_29BIT #define NPHYS 29 #else @@ -133,27 +139,25 @@ typedef pte_t *pte_addr_t; */ #define pgtable_cache_init() do { } while (0) -#if !defined(CONFIG_CACHE_OFF) && (defined(CONFIG_CPU_SH4) || \ - defined(CONFIG_SH7705_CACHE_32KB)) -struct mm_struct; -#define __HAVE_ARCH_PTEP_GET_AND_CLEAR -pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep); -#endif - struct vm_area_struct; -extern void update_mmu_cache(struct vm_area_struct * vma, - unsigned long address, pte_t pte); + +extern void __update_cache(struct vm_area_struct *vma, + unsigned long address, pte_t pte); +extern void __update_tlb(struct vm_area_struct *vma, + unsigned long address, pte_t pte); + +static inline void +update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t pte) +{ + __update_cache(vma, address, pte); + __update_tlb(vma, address, pte); +} + extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; extern void paging_init(void); extern void page_table_range_init(unsigned long start, unsigned long end, pgd_t *pgd); -#if !defined(CONFIG_CACHE_OFF) && defined(CONFIG_CPU_SH4) && defined(CONFIG_MMU) -extern void kmap_coherent_init(void); -#else -#define kmap_coherent_init() do { } while (0) -#endif - /* arch/sh/mm/mmap.c */ #define HAVE_ARCH_UNMAPPED_AREA #define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN |