1 files changed, 3 insertions, 0 deletions

diff --git a/arch/mips/include/asm/futex.h b/arch/mips/include/asm/futex.h
index c14d798f3888..b83b0397462d 100644
--- a/arch/mips/include/asm/futex.h
+++ b/arch/mips/include/asm/futex.h
@@ -50,6 +50,7 @@
                   "i" (-EFAULT)                                         \
                 : "memory");                                            \
         } else if (cpu_has_llsc) {                                      \
+                loongson_llsc_mb();                                     \
                 __asm__ __volatile__(                                   \
                 "       .set    push                            \n"     \
                 "       .set    noat                            \n"     \
@@ -163,6 +164,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                   "i" (-EFAULT)
                 : "memory");
         } else if (cpu_has_llsc) {
+                loongson_llsc_mb();
                 __asm__ __volatile__(
                 "# futex_atomic_cmpxchg_inatomic                        \n"
                 "       .set    push                                    \n"
@@ -192,6 +194,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
                 : GCC_OFF_SMALL_ASM() (*uaddr), "Jr" (oldval), "Jr" (newval),
                   "i" (-EFAULT)
                 : "memory");
+                loongson_llsc_mb();
         } else
                 return -ENOSYS;