diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 57162af53dc9..577543f3857f 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -99,6 +99,7 @@ int __cpuinit __cpu_up(unsigned int cpu) *pmd = __pmd((PHYS_OFFSET & PGDIR_MASK) | PMD_TYPE_SECT | PMD_SECT_AP_WRITE); flush_pmd_entry(pmd); + outer_clean_range(__pa(pmd), __pa(pmd + 1)); /* * We need to tell the secondary core where to find @@ -106,7 +107,8 @@ int __cpuinit __cpu_up(unsigned int cpu) */ secondary_data.stack = task_stack_page(idle) + THREAD_START_SP; secondary_data.pgdir = virt_to_phys(pgd); - wmb(); + __cpuc_flush_dcache_area(&secondary_data, sizeof(secondary_data)); + outer_clean_range(__pa(&secondary_data), __pa(&secondary_data + 1)); /* * Now bring the CPU into our world.