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| author | Kumar Gala <galak@kernel.crashing.org> | 2009-08-05 07:33:32 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-08-20 04:25:12 +0400 |
| commit | 67050b5c3e9992d98554bd224d5a7898cc4881ff (patch) | |
| tree | 296c4d21e193c22e3e31f01799c0048f45df41c7 | |
| parent | af984b816530b4725b92e01ecfba7c5e3eab910d (diff) | |
| download | linux-67050b5c3e9992d98554bd224d5a7898cc4881ff.tar.xz | |
powerpc/mm: Fix switch_mmu_context to iterate of the proper list of cpus
Introduced a temporary variable into our iterating over the list cpus
that are threads on the same core. For some reason Ben forgot how for
loops work.
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
| -rw-r--r-- | arch/powerpc/mm/mmu_context_nohash.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/mm/mmu_context_nohash.c b/arch/powerpc/mm/mmu_context_nohash.c index 834436d6d6b8..c2f93dc470e6 100644 --- a/arch/powerpc/mm/mmu_context_nohash.c +++ b/arch/powerpc/mm/mmu_context_nohash.c @@ -190,7 +190,7 @@ static void context_check_map(void) { } void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) { - unsigned int id, cpu = smp_processor_id(); + unsigned int i, id, cpu = smp_processor_id(); unsigned long *map; /* No lockless fast path .. yet */ @@ -269,9 +269,10 @@ void switch_mmu_context(struct mm_struct *prev, struct mm_struct *next) local_flush_tlb_mm(next); /* XXX This clear should ultimately be part of local_flush_tlb_mm */ - for (cpu = cpu_first_thread_in_core(cpu); - cpu <= cpu_last_thread_in_core(cpu); cpu++) - __clear_bit(id, stale_map[cpu]); + for (i = cpu_first_thread_in_core(cpu); + i <= cpu_last_thread_in_core(cpu); i++) { + __clear_bit(id, stale_map[i]); + } } /* Flick the MMU and release lock */ |