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sh: make MMU-specific SMP code conditional on CONFIG_MMU
This is a prerequisite for adding NOMMU SMP support. Signed-off-by: Rich Felker <dalias@libc.org>
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1 changed files with 8 additions and 0 deletions
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@ -150,7 +150,9 @@ int __cpu_disable(void)
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* from the vm mask set of all processes.
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* from the vm mask set of all processes.
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*/
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*/
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flush_cache_all();
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flush_cache_all();
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#ifdef CONFIG_MMU
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local_flush_tlb_all();
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local_flush_tlb_all();
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#endif
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clear_tasks_mm_cpumask(cpu);
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clear_tasks_mm_cpumask(cpu);
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@ -183,8 +185,10 @@ asmlinkage void start_secondary(void)
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atomic_inc(&mm->mm_count);
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atomic_inc(&mm->mm_count);
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atomic_inc(&mm->mm_users);
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atomic_inc(&mm->mm_users);
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current->active_mm = mm;
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current->active_mm = mm;
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#ifdef CONFIG_MMU
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enter_lazy_tlb(mm, current);
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enter_lazy_tlb(mm, current);
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local_flush_tlb_all();
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local_flush_tlb_all();
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#endif
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per_cpu_trap_init();
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per_cpu_trap_init();
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@ -328,6 +332,8 @@ int setup_profiling_timer(unsigned int multiplier)
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return 0;
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return 0;
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}
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}
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#ifdef CONFIG_MMU
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static void flush_tlb_all_ipi(void *info)
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static void flush_tlb_all_ipi(void *info)
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{
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{
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local_flush_tlb_all();
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local_flush_tlb_all();
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@ -467,3 +473,5 @@ void flush_tlb_one(unsigned long asid, unsigned long vaddr)
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smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);
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smp_call_function(flush_tlb_one_ipi, (void *)&fd, 1);
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local_flush_tlb_one(asid, vaddr);
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local_flush_tlb_one(asid, vaddr);
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}
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}
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#endif
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