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Commit c4a1f032 authored by Will Deacon's avatar Will Deacon Committed by Jonathan Austin
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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: default avatarWill Deacon <will.deacon@arm.com>
parent 02ed1c7b

arch/arm/kernel/smp.c

+2 −0
Original line number Diff line number Diff line
@@ -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));