Messages in this thread | | | Subject | Re: [PATCH] Hotplug CPU toy for i386 | From | Rusty Russell <> | Date | Thu, 25 Mar 2004 15:33:22 +1100 |
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On Mon, 2004-03-22 at 20:56, Zwane Mwaikambo wrote: > On Mon, 22 Mar 2004, Rusty Russell wrote: > > > @@ -1035,6 +1036,10 @@ inline void smp_local_timer_interrupt(st > > { > > int cpu = smp_processor_id(); > > > > + /* FIXME: Actually remove timer interrupt in __cpu_disable() --RR */ > > + if (cpu_is_offline(cpu)) > > + return; > > + > > We could setup an offline cpu idt with nop type interrupt stubs, this > could also take care of the irq_stabilizing problem later on...
The problem I have with this approach is that it shouldn't be neccessary. Perhaps I'm overly optimistic.
I know *nothing* about i386: I'll play with stealing the PM code's APIC suspend/resume, which I think is the Right Way to do this.
Rusty. -- Anyone who quotes me in their signature is an idiot -- Rusty Russell
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