diff options
| author | Len Brown <len.brown@intel.com> | 2008-10-22 23:57:26 -0400 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2008-10-23 00:11:07 -0400 |
| commit | 057316cc6a5b521b332a1d7ccc871cd60c904c74 (patch) | |
| tree | 4333e608da237c73ff69b10878025cca96dcb4c8 /arch/arm/mm/fault-armv.c | |
| parent | 3e2dab9a1c2deb03c311eb3f83466009147ed4d3 (diff) | |
| parent | 2515ddc6db8eb49a79f0fe5e67ff09ac7c81eab4 (diff) | |
Merge branch 'linus' into test
Conflicts:
MAINTAINERS
arch/x86/kernel/acpi/boot.c
arch/x86/kernel/acpi/sleep.c
drivers/acpi/Kconfig
drivers/pnp/Makefile
drivers/pnp/quirks.c
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'arch/arm/mm/fault-armv.c')
| -rw-r--r-- | arch/arm/mm/fault-armv.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index a8ec97b4752..81d0b8772de 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -17,11 +17,13 @@ #include <linux/init.h> #include <linux/pagemap.h> +#include <asm/bugs.h> #include <asm/cacheflush.h> +#include <asm/cachetype.h> #include <asm/pgtable.h> #include <asm/tlbflush.h> -static unsigned long shared_pte_mask = L_PTE_CACHEABLE; +static unsigned long shared_pte_mask = L_PTE_MT_BUFFERABLE; /* * We take the easy way out of this problem - we make the @@ -63,9 +65,10 @@ static int adjust_pte(struct vm_area_struct *vma, unsigned long address) * If this page isn't present, or is already setup to * fault (ie, is old), we can safely ignore any issues. */ - if (ret && pte_val(entry) & shared_pte_mask) { + if (ret && (pte_val(entry) & L_PTE_MT_MASK) != shared_pte_mask) { flush_cache_page(vma, address, pte_pfn(entry)); - pte_val(entry) &= ~shared_pte_mask; + pte_val(entry) &= ~L_PTE_MT_MASK; + pte_val(entry) |= shared_pte_mask; set_pte_at(vma->vm_mm, address, pte, entry); flush_tlb_page(vma, address); } @@ -197,7 +200,7 @@ void __init check_writebuffer_bugs(void) unsigned long *p1, *p2; pgprot_t prot = __pgprot(L_PTE_PRESENT|L_PTE_YOUNG| L_PTE_DIRTY|L_PTE_WRITE| - L_PTE_BUFFERABLE); + L_PTE_MT_BUFFERABLE); p1 = vmap(&page, 1, VM_IOREMAP, prot); p2 = vmap(&page, 1, VM_IOREMAP, prot); @@ -218,7 +221,7 @@ void __init check_writebuffer_bugs(void) if (v) { printk("failed, %s\n", reason); - shared_pte_mask |= L_PTE_BUFFERABLE; + shared_pte_mask = L_PTE_MT_UNCACHED; } else { printk("ok\n"); } |