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| author | Jeff Garzik <jgarzik@pobox.com> | 2005-06-30 00:49:38 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-06-30 00:49:38 -0400 |
| commit | e9dd2561793c05d70c9df1bc16a2dde6f23388df (patch) | |
| tree | 20099972569cc0748133a6351600fff9cbb15f4a /arch/ia64/kernel/smp.c | |
| parent | d011e151bc5d1a581bf35b492a4fde44d30382b9 (diff) | |
| parent | 0c168775709faa74c1b87f1e61046e0c51ade7f3 (diff) | |
Merge /spare/repo/netdev-2.6 branch 'ieee80211'
Diffstat (limited to 'arch/ia64/kernel/smp.c')
| -rw-r--r-- | arch/ia64/kernel/smp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index b49d4ddaab9..0166a984709 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -231,13 +231,16 @@ smp_flush_tlb_all (void) void smp_flush_tlb_mm (struct mm_struct *mm) { + preempt_disable(); /* this happens for the common case of a single-threaded fork(): */ if (likely(mm == current->active_mm && atomic_read(&mm->mm_users) == 1)) { local_finish_flush_tlb_mm(mm); + preempt_enable(); return; } + preempt_enable(); /* * We could optimize this further by using mm->cpu_vm_mask to track which CPUs * have been running in the address space. It's not clear that this is worth the |