diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2007-04-21 11:52:32 +0200 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-04-21 21:36:02 +0200 |
| commit | c172cc92c87103c98b5cd359205b684bf99b5067 (patch) | |
| tree | 5d0591b701778ab21f290b5ede50615d6ca786a3 /arch/arm/mm | |
| parent | [ARM] mm 5: Use mem_types table in ioremap (diff) | |
| download | linux-c172cc92c87103c98b5cd359205b684bf99b5067.tar.xz linux-c172cc92c87103c98b5cd359205b684bf99b5067.zip | |
[ARM] mm 6: allow mem_types table to specify extended pte attributes
Add prot_pte_ext to the mem_types table to allow the extended pte
attributes to be passed to set_pte_ext(), thereby permitting us to
specify memory type information for the hardware PTE entries.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/ioremap.c | 3 | ||||
| -rw-r--r-- | arch/arm/mm/mm.h | 1 | ||||
| -rw-r--r-- | arch/arm/mm/mmu.c | 3 |
3 files changed, 5 insertions, 2 deletions
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c index b26b36109d54..216623eece35 100644 --- a/arch/arm/mm/ioremap.c +++ b/arch/arm/mm/ioremap.c @@ -55,7 +55,8 @@ static int remap_area_pte(pmd_t *pmd, unsigned long addr, unsigned long end, if (!pte_none(*pte)) goto bad; - set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot), 0); + set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot), + type->prot_pte_ext); phys_addr += PAGE_SIZE; } while (pte++, addr += PAGE_SIZE, addr != end); return 0; diff --git a/arch/arm/mm/mm.h b/arch/arm/mm/mm.h index 66f8612c5e5b..7647c597fc59 100644 --- a/arch/arm/mm/mm.h +++ b/arch/arm/mm/mm.h @@ -18,6 +18,7 @@ static inline pmd_t *pmd_off_k(unsigned long virt) struct mem_type { unsigned int prot_pte; + unsigned int prot_pte_ext; unsigned int prot_l1; unsigned int prot_sect; unsigned int domain; diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 6cb80b4973d2..360405515bbd 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -391,7 +391,8 @@ static void __init alloc_init_pte(pmd_t *pmd, unsigned long addr, pte = pte_offset_kernel(pmd, addr); do { - set_pte_ext(pte, pfn_pte(pfn, __pgprot(type->prot_pte)), 0); + set_pte_ext(pte, pfn_pte(pfn, __pgprot(type->prot_pte)), + type->prot_pte_ext); pfn++; } while (pte++, addr += PAGE_SIZE, addr != end); } |