sh: Flush ITLB too in PTEAEX's flush_tlb_page()

flush_tlb_page() can be used to flush TLB entries that map executable
pages. Therefore, we need to ensure that the ITLB is also flushed in
local_flush_tlb_page().

Signed-off-by: Matt Fleming <matt@console-pimps.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 4 insertions, 0 deletions

diff --git a/arch/sh/include/cpu-sh4/cpu/mmu_context.h b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
index 03ea75c5315d..310ec92f2759 100644
--- a/arch/sh/include/cpu-sh4/cpu/mmu_context.h
+++ b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
@@ -19,6 +19,8 @@
 
 #define MMUCR           0xFF000010      /* MMU Control Register */
 
+#define MMU_ITLB_ADDRESS_ARRAY  0xF2000000
+#define MMU_ITLB_ADDRESS_ARRAY2 0xF2800000
 #define MMU_UTLB_ADDRESS_ARRAY  0xF6000000
 #define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000
 #define MMU_PAGE_ASSOC_BIT      0x80
diff --git a/arch/sh/mm/tlb-pteaex.c b/arch/sh/mm/tlb-pteaex.c
index 32dc674c550c..bdd0982b56ee 100644
--- a/arch/sh/mm/tlb-pteaex.c
+++ b/arch/sh/mm/tlb-pteaex.c
@@ -73,5 +73,7 @@ void local_flush_tlb_one(unsigned long asid, unsigned long page)
         jump_to_uncached();
         __raw_writel(page, MMU_UTLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT);
         __raw_writel(asid, MMU_UTLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT);
+        __raw_writel(page, MMU_ITLB_ADDRESS_ARRAY | MMU_PAGE_ASSOC_BIT);
+        __raw_writel(asid, MMU_ITLB_ADDRESS_ARRAY2 | MMU_PAGE_ASSOC_BIT);
         back_to_cached();
 }