Merge branch 'master'

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));
 }
 
 /*