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authorJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-14 14:18:01 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-03-14 14:18:01 -0600
commitf33b5d783b4f56be5ace6a1c98fb5f76b2d2d07d (patch)
treeb027b5f3429d416b3da5b9195024007dab062a5e /include/asm-arm/tlbflush.h
parente935d5da8e5d12fabe5b632736c50eae0427e8c8 (diff)
parent67963132638e67ad3c5aa16765e6f3f2f3cdd85c (diff)
Merge ../linux-2.6
Diffstat (limited to 'include/asm-arm/tlbflush.h')
-rw-r--r--include/asm-arm/tlbflush.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/asm-arm/tlbflush.h b/include/asm-arm/tlbflush.h
index 9387a5e1ffe0..0c2acc944a0a 100644
--- a/include/asm-arm/tlbflush.h
+++ b/include/asm-arm/tlbflush.h
@@ -340,6 +340,12 @@ static inline void local_flush_tlb_kernel_page(unsigned long kaddr)
asm("mcr%? p15, 0, %0, c8, c6, 1" : : "r" (kaddr));
if (tlb_flag(TLB_V6_I_PAGE))
asm("mcr%? p15, 0, %0, c8, c5, 1" : : "r" (kaddr));
+
+ /* The ARM ARM states that the completion of a TLB maintenance
+ * operation is only guaranteed by a DSB instruction
+ */
+ if (tlb_flag(TLB_V6_U_PAGE | TLB_V6_D_PAGE | TLB_V6_I_PAGE))
+ asm("mcr%? p15, 0, %0, c7, c10, 4" : : "r" (zero));
}
/*