1 files changed, 6 insertions, 0 deletions

diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index 8af4d627b68b..566b8d2c092c 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c
@@ -76,6 +76,12 @@ void mips_cpc_lock_other(unsigned int core)
         spin_lock_irqsave(&per_cpu(cpc_core_lock, curr_core),
                           per_cpu(cpc_core_lock_flags, curr_core));
         write_cpc_cl_other(core << CPC_Cx_OTHER_CORENUM_SHF);
+
+        /*
+         * Ensure the core-other region reflects the appropriate core &
+         * VP before any accesses to it occur.
+         */
+        mb();
 }
 
 void mips_cpc_unlock_other(void)