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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2013-01-17 07:18:04 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-01-19 11:41:25 +0000
commit93d5bf073a1e01035be66dc41860b9ae9aa9ccfa (patch)
treefd0700579339f3ccd388e00396a5c2fa86a1733e /arch/arm/mm
parent15653371c67c3fbe359ae37b720639dd4c7b42c5 (diff)
ARM: 7629/1: mm: Fix missing XN flag for for MT_MEMORY_SO
Commit 8fb54284ba6a {ARM: mm: Add strongly ordered descriptor support} added XN flag at section level but missed it at PTE level. Fix it by adding the L_PTE_XN to MT_MEMORY_SO PTE descriptor. Reported-by: Richard Woodruff <r-woodruff2@ti.com> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index 9f0610243bd..ce328c7f5c9 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -283,7 +283,7 @@ static struct mem_type mem_types[] = {
},
[MT_MEMORY_SO] = {
.prot_pte = L_PTE_PRESENT | L_PTE_YOUNG | L_PTE_DIRTY |
- L_PTE_MT_UNCACHED,
+ L_PTE_MT_UNCACHED | L_PTE_XN,
.prot_l1 = PMD_TYPE_TABLE,
.prot_sect = PMD_TYPE_SECT | PMD_SECT_AP_WRITE | PMD_SECT_S |
PMD_SECT_UNCACHED | PMD_SECT_XN,