diff options
Diffstat (limited to 'arch/mips/kernel/mips-cpc.c')
| -rw-r--r-- | arch/mips/kernel/mips-cpc.c | 6 |
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) |