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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 <will.deacon@arm.com>
This commit is contained in:
Will Deacon 2012-02-28 13:02:59 +00:00 committed by Jonathan Austin
parent 02ed1c7bba
commit c4a1f032ed
1 changed files with 2 additions and 0 deletions
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2
arch/arm/kernel/smp.c
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@ -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));