Messages in this thread | | | Subject | Re: x86: Is there still value in having a special tlb flush IPI vector? | From | Peter Zijlstra <> | Date | Tue, 29 Jul 2008 12:23:43 +0200 |
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On Tue, 2008-07-29 at 20:17 +1000, Nick Piggin wrote: > On Tuesday 29 July 2008 20:04, Peter Zijlstra wrote: > > On Tue, 2008-07-29 at 20:00 +1000, Nick Piggin wrote: > > > On Tuesday 29 July 2008 19:54, Peter Zijlstra wrote: > > > > On Tue, 2008-07-29 at 14:30 +1000, Nick Piggin wrote: > > > > > Not to mention the minor problem that it still deadlocks when called > > > > > with interrupts disabled ;) > > > > > > > > __smp_call_function_single has potential though.. > > > > > > For reschedule interrupt? I don't really agree. > > > > Not specifically, for not deadlocking from irq-off, more so. > > Oh, well yes it already does work from irq-off, so it has already > realised its potential :) > > Not sure exactly what kinds of users it is going to attract, but > it should be interesting to see!
grep __smp_call_function_single kernel/sched.c
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