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| author |   Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-07-26 19:51:26 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2005-07-26 19:51:26 +0100 |
| commit | 186efd5275bbe7ffb73d939c1ce5690682668200 (patch) | |
| tree | 2d90ed4547cd15249570747d8790005ec7229c2f /arch/arm/mm/mm-armv.c | |
| parent | [PATCH] ARM SMP: Add ARMv6 memory barriers (diff) | |
| download | linux-dev-186efd5275bbe7ffb73d939c1ce5690682668200.tar.xz linux-dev-186efd5275bbe7ffb73d939c1ce5690682668200.zip | |
[PATCH] ARM SMP: Mark device mappings as "device" in ARMv6 parlance
ARMv6 introduces memory types into the page tables. Mark devices
mappings with the "shared device" memory type.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/mm-armv.c')
| -rw-r--r-- | arch/arm/mm/mm-armv.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index b19f00e99a21..e33fe4229d05 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -425,6 +425,9 @@ static void __init build_mem_type_table(void) mem_types[MT_ROM].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_MINICLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; mem_types[MT_CACHECLEAN].prot_sect |= PMD_SECT_APX|PMD_SECT_AP_WRITE; + + mem_types[MT_DEVICE].prot_pte |= L_PTE_BUFFERABLE; + mem_types[MT_DEVICE].prot_sect |= PMD_SECT_BUFFERED; } cp = &cache_policies[cachepolicy]; |