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| author | H. Peter Anvin <hpa@zytor.com> | 2009-05-23 16:42:19 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-23 16:42:19 -0700 |
| commit | ee0736627d3347be0be2769fa7b26431f9726c9d (patch) | |
| tree | 203e2204daaec4cf005463fdf2c7bf380d6eef36 /arch/ia64/kernel/smp.c | |
| parent | cf9972a921470b0a2da7906104bcd540b20e33bf (diff) | |
| parent | 0af48f42df15b97080b450d24219dd95db7b929a (diff) | |
Merge branch 'x86/urgent' into x86/setup
Resolved conflicts:
arch/x86/boot/memory.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/ia64/kernel/smp.c')
| -rw-r--r-- | arch/ia64/kernel/smp.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c index 2ea4199d9c5..5230eaafd83 100644 --- a/arch/ia64/kernel/smp.c +++ b/arch/ia64/kernel/smp.c @@ -225,6 +225,7 @@ smp_send_reschedule (int cpu) { platform_send_ipi(cpu, IA64_IPI_RESCHEDULE, IA64_IPI_DM_INT, 0); } +EXPORT_SYMBOL_GPL(smp_send_reschedule); /* * Called with preemption disabled. @@ -300,15 +301,12 @@ smp_flush_tlb_mm (struct mm_struct *mm) return; } + smp_call_function_mask(mm->cpu_vm_mask, + (void (*)(void *))local_finish_flush_tlb_mm, mm, 1); + local_irq_disable(); + local_finish_flush_tlb_mm(mm); + local_irq_enable(); 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 - * trouble though: to avoid races, we have to raise the IPI on the target CPU - * anyhow, and once a CPU is interrupted, the cost of local_flush_tlb_all() is - * rather trivial. - */ - on_each_cpu((void (*)(void *))local_finish_flush_tlb_mm, mm, 1); } void arch_send_call_function_single_ipi(int cpu) |