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Commit 5f2cb34d authored by Rich Felker's avatar Rich Felker
Browse files

sh: make MMU-specific SMP code conditional on CONFIG_MMU 



This is a prerequisite for adding NOMMU SMP support.

Signed-off-by: default avatarRich Felker <dalias@libc.org>
parent 3623d138

arch/sh/kernel/smp.c

+8 −0
Original line number Diff line number Diff line
@@ -150,7 +150,9 @@ int __cpu_disable(void) 
	 * from the vm mask set of all processes.

	 */

	flush_cache_all();

#ifdef CONFIG_MMU

	local_flush_tlb_all();

#endif



	clear_tasks_mm_cpumask(cpu);
@@ -183,8 +185,10 @@ asmlinkage void start_secondary(void) 
	atomic_inc(&mm->mm_count);

	atomic_inc(&mm->mm_users);

	current->active_mm = mm;

#ifdef CONFIG_MMU

	enter_lazy_tlb(mm, current);

	local_flush_tlb_all();

#endif



	per_cpu_trap_init();
@@ -328,6 +332,8 @@ int setup_profiling_timer(unsigned int multiplier) 
	return 0;

}



#ifdef CONFIG_MMU



static void flush_tlb_all_ipi(void *info)

{

	local_flush_tlb_all();
@@ -467,3 +473,5 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr) 
	smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);

	local_flush_tlb_one(asid, vaddr);

}



#endif