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Commit 186efd52 authored by Russell King's avatar Russell King Committed by Russell King
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[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: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent 6d9b37a3

arch/arm/mm/mm-armv.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -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_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_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_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];

	cp = &cache_policies[cachepolicy];