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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-18 09:43:09 -0700
commit515b696b282f856c3ad1679ccd658120faa387d0 (patch)
treed9d7c1185c396617f128ca23463062308d11393b /arch/sh/include/asm/pgtable.h
parentfa877c71e2136bd682b45022c96d5e073ced9f58 (diff)
parent064a16dc41be879d12bd5de5d2f9d38d890e0ee7 (diff)
downloadlinux-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.h34
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