[PATCH] m32r: Fix smp.c for preempt kernel
This patch fixes the following BUG message of arch/m32r/smp.c for CONFIG_DEBUG_PREEMPT: BUG: using smp_processor_id() in preemptible This message is displayed by an smp_processor_id() execution during kernel's preemptible-state. Signed-off-by: Hitoshi Yamamoto <hitoshiy@isl.melco.co.jp> Signed-off-by: Hirokazu Takata <takata@linux-m32r.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -275,12 +275,14 @@ static void flush_tlb_all_ipi(void *info)
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*==========================================================================*/
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void smp_flush_tlb_mm(struct mm_struct *mm)
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{
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int cpu_id = smp_processor_id();
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int cpu_id;
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cpumask_t cpu_mask;
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unsigned long *mmc = &mm->context[cpu_id];
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unsigned long *mmc;
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unsigned long flags;
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preempt_disable();
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cpu_id = smp_processor_id();
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mmc = &mm->context[cpu_id];
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cpu_mask = mm->cpu_vm_mask;
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cpu_clear(cpu_id, cpu_mask);
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@ -343,12 +345,14 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
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void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long va)
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{
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struct mm_struct *mm = vma->vm_mm;
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int cpu_id = smp_processor_id();
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int cpu_id;
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cpumask_t cpu_mask;
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unsigned long *mmc = &mm->context[cpu_id];
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unsigned long *mmc;
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unsigned long flags;
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preempt_disable();
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cpu_id = smp_processor_id();
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mmc = &mm->context[cpu_id];
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cpu_mask = mm->cpu_vm_mask;
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cpu_clear(cpu_id, cpu_mask);
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