Re: linux-2.2.12 SMP threading problem triggered by Kaffe

[Alan Cox]

> Darn...  So the RT signal delivery could cause the IPI TLB timeout ??   I don't
> understand that, but then again, I'm probably not meant to  ;)

In 2.2.10 it could. The IPI timeout  occurs when we get a deadlock across
CPU's. One cpu is waiting for a lock and not listening to the interrupts
the other one is asking it to handle and reply to.

> But AFAIK the RT signal queue delivery stuff wasn't fixed until pre17, and I
> have a perfectly well functioning pre16 here, with the IPI timeout gone.

The pre17 fix is something else.

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