Re: x86: Inconsistent xAPIC synchronization in arch_irq_work_raise?

[Andi Kleen]

> > It has to be lockless, the machine checks run as NMIs.
> > The whole point of the self nmi is to get back to a lockable state.
> 
> "It" is arch_irq_work_raise, or more?

Really irq_work_queue, but it boils down to arch_irq_work_raise

-Andi
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