tree 2d90ed4547cd15249570747d8790005ec7229c2f
parent 6d9b37a3a80195d317887ff81aad6a58a66954b5
author Russell King <[EMAIL PROTECTED]> Tue, 26 Jul 2005 19:51:26 +0100
committer Russell King <[EMAIL PROTECTED]> Tue, 26 Jul 2005 19:51:26 +0100
[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 <[EMAIL PROTECTED]>
arch/arm/mm/mm-armv.c | 3 +++
1 files changed, 3 insertions(+)
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
--- 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(
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];
-
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