diff options
| author | Hirokazu Takata <takata@linux-m32r.org> | 2005-10-14 15:59:07 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-10-14 17:10:12 -0700 |
| commit | a90933fb4e7b85587e5cbdf863deeb16695c19bd (patch) | |
| tree | b27be41b3412d5ffdc90b3f7d76f2a2aa25662f5 /arch/m32r/kernel/smp.c | |
| parent | 6593b58cfb54138781c5cd88f605e2ae663301b0 (diff) | |
| download | op-kernel-dev-a90933fb4e7b85587e5cbdf863deeb16695c19bd.zip op-kernel-dev-a90933fb4e7b85587e5cbdf863deeb16695c19bd.tar.gz | |
[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>
Diffstat (limited to 'arch/m32r/kernel/smp.c')
| -rw-r--r-- | arch/m32r/kernel/smp.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/arch/m32r/kernel/smp.c b/arch/m32r/kernel/smp.c index a4576ac..8b1f6eb 100644 --- a/arch/m32r/kernel/smp.c +++ b/arch/m32r/kernel/smp.c @@ -275,12 +275,14 @@ static void flush_tlb_all_ipi(void *info) *==========================================================================*/ void smp_flush_tlb_mm(struct mm_struct *mm) { - int cpu_id = smp_processor_id(); + int cpu_id; cpumask_t cpu_mask; - unsigned long *mmc = &mm->context[cpu_id]; + unsigned long *mmc; unsigned long flags; preempt_disable(); + cpu_id = smp_processor_id(); + mmc = &mm->context[cpu_id]; cpu_mask = mm->cpu_vm_mask; cpu_clear(cpu_id, cpu_mask); @@ -343,12 +345,14 @@ void smp_flush_tlb_range(struct vm_area_struct *vma, unsigned long start, void smp_flush_tlb_page(struct vm_area_struct *vma, unsigned long va) { struct mm_struct *mm = vma->vm_mm; - int cpu_id = smp_processor_id(); + int cpu_id; cpumask_t cpu_mask; - unsigned long *mmc = &mm->context[cpu_id]; + unsigned long *mmc; unsigned long flags; preempt_disable(); + cpu_id = smp_processor_id(); + mmc = &mm->context[cpu_id]; cpu_mask = mm->cpu_vm_mask; cpu_clear(cpu_id, cpu_mask); |
