From c4a1f032ed35d744e3d74b8aebe8d85f29aecd88 Mon Sep 17 00:00:00 2001 From: Will Deacon Date: Tue, 28 Feb 2012 13:02:59 +0000 Subject: [PATCH] ARM: nommu: do not initialise page tables in secondary_data structure nommu systems do not require any page tables, so don't try to initialise them when bringing up secondary cores. Signed-off-by: Will Deacon --- arch/arm/kernel/smp.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c index 550d63cef68e..44d1c00dc45f 100644 --- a/arch/arm/kernel/smp.c +++ b/arch/arm/kernel/smp.c @@ -87,8 +87,10 @@ int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle) * its stack and the page tables. */ secondary_data.stack = task_stack_page(idle) + THREAD_START_SP; +#ifdef CONFIG_MMU secondary_data.pgdir = virt_to_phys(idmap_pgd); secondary_data.swapper_pg_dir = virt_to_phys(swapper_pg_dir); +#endif __cpuc_flush_dcache_area(&secondary_data, sizeof(secondary_data)); outer_clean_range(__pa(&secondary_data), __pa(&secondary_data + 1));