1 files changed, 0 insertions, 15 deletions

diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
index 67ca8578c6d8..587fdfe1a72c 100644
--- a/arch/arm/kernel/swp_emulate.c
+++ b/arch/arm/kernel/swp_emulate.c
@@ -142,14 +142,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data,
         while (1) {
                 unsigned long temp;
 
-                /*
-                 * Barrier required between accessing protected resource and
-                 * releasing a lock for it. Legacy code might not have done
-                 * this, and we cannot determine that this is not the case
-                 * being emulated, so insert always.
-                 */
-                smp_mb();
-
                 if (type == TYPE_SWPB)
                         __user_swpb_asm(*data, address, res, temp);
                 else
@@ -162,13 +154,6 @@ static int emulate_swpX(unsigned int address, unsigned int *data,
         }
 
         if (res == 0) {
-                /*
-                 * Barrier also required between acquiring a lock for a
-                 * protected resource and accessing the resource. Inserted for
-                 * same reason as above.
-                 */
-                smp_mb();
-
                 if (type == TYPE_SWPB)
                         swpbcounter++;
                 else