Re: [PATCH v2] serial: 8250: fix shared interrupts issues with SMPand RT kernels

[Alan Cox]

> > But this can't happen here. IRQ will not grab the up->port.lock,
> > because port isn't registered in the 8250 IRQ handling chain (yet).
> 
> Alan, are there any issues with the proof or the patch itself?

The logic looks fine, the analysis looks fine. 

Alan
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