diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-09-28 00:13:53 +0200 |
| commit | aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b (patch) | |
| tree | 57425aa83c8bed5b41af7e3408024fe1f2fdded9 /arch/sh/mm/pg-sh4.c | |
| parent | Merge branch 'upstream' of git://lost.foo-projects.org/~ahkok/git/netdev-2.6 ... (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff) | |
| download | linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.tar.xz linux-aebb1153ac54ddbbd3d3f0481a193f4bf0ead53b.zip | |
Merge branch 'master' into upstream
Diffstat (limited to 'arch/sh/mm/pg-sh4.c')
| -rw-r--r-- | arch/sh/mm/pg-sh4.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c index c776b60fc250..07371ed7a313 100644 --- a/arch/sh/mm/pg-sh4.c +++ b/arch/sh/mm/pg-sh4.c @@ -2,7 +2,7 @@ * arch/sh/mm/pg-sh4.c * * Copyright (C) 1999, 2000, 2002 Niibe Yutaka - * Copyright (C) 2002 Paul Mundt + * Copyright (C) 2002 - 2005 Paul Mundt * * Released under the terms of the GNU GPL v2.0. */ @@ -23,6 +23,8 @@ extern struct semaphore p3map_sem[]; +#define CACHE_ALIAS (cpu_data->dcache.alias_mask) + /* * clear_user_page * @to: P1 address @@ -35,14 +37,15 @@ void clear_user_page(void *to, unsigned long address, struct page *page) if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) clear_page(to); else { - pgprot_t pgprot = __pgprot(_PAGE_PRESENT | + pgprot_t pgprot = __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_CACHABLE | - _PAGE_DIRTY | _PAGE_ACCESSED | + _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_HW_SHARED | _PAGE_FLAGS_HARD); unsigned long phys_addr = PHYSADDR(to); unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS); - pgd_t *dir = pgd_offset_k(p3_addr); - pmd_t *pmd = pmd_offset(dir, p3_addr); + pgd_t *pgd = pgd_offset_k(p3_addr); + pud_t *pud = pud_offset(pgd, p3_addr); + pmd_t *pmd = pmd_offset(pud, p3_addr); pte_t *pte = pte_offset_kernel(pmd, p3_addr); pte_t entry; unsigned long flags; @@ -67,21 +70,22 @@ void clear_user_page(void *to, unsigned long address, struct page *page) * @address: U0 address to be mapped * @page: page (virt_to_page(to)) */ -void copy_user_page(void *to, void *from, unsigned long address, +void copy_user_page(void *to, void *from, unsigned long address, struct page *page) { __set_bit(PG_mapped, &page->flags); if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0) copy_page(to, from); else { - pgprot_t pgprot = __pgprot(_PAGE_PRESENT | + pgprot_t pgprot = __pgprot(_PAGE_PRESENT | _PAGE_RW | _PAGE_CACHABLE | - _PAGE_DIRTY | _PAGE_ACCESSED | + _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_HW_SHARED | _PAGE_FLAGS_HARD); unsigned long phys_addr = PHYSADDR(to); unsigned long p3_addr = P3SEG + (address & CACHE_ALIAS); - pgd_t *dir = pgd_offset_k(p3_addr); - pmd_t *pmd = pmd_offset(dir, p3_addr); + pgd_t *pgd = pgd_offset_k(p3_addr); + pud_t *pud = pud_offset(pgd, p3_addr); + pmd_t *pmd = pmd_offset(pud, p3_addr); pte_t *pte = pte_offset_kernel(pmd, p3_addr); pte_t entry; unsigned long flags; |