On Fri, 14 Feb 2003, Zwane Mwaikambo wrote:
> Hi,
> Considering that smp_call_function isn't allowed to hold a lock
> reference and within smp_call_function we lock and unlock call_lock thus
> triggering a preempt point. Therefore we can't guarantee that we'll be on
> the same processor when we hit do_flush_tlb_all_local.
>
> void flush_tlb_all(void)
> {
> preempt_disable();
> smp_call_function (flush_tlb_all_ipi,0,1,1);
>
> do_flush_tlb_all_local();
> preempt_enable();
> }
Of course i had to go and paste the code i was working on. The original
isn't wrapped in preempt_disable/enable.
Zwane (who really needs to get to bed now)
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This archive was generated by hypermail 2b29 : Sat Feb 15 2003 - 22:00:53 EST