Re: [PATCH 0/2] Enable support IPI_CPU_CRASH_STOP to be pseudo-NMI

[Marc Zyngier]

On 2020-09-29 06:50, ito-yuichi@xxxxxxxxxxx wrote:
> Hi Marc

[...]

> > >> The patch has been tested on ThunderX.
> >
> > Which ThunderX? TX2 (at least the incarnation I used in the past) 
> > wasn't able
> > to correctly deal with priorities.
>
> I tried it with ThunderX CN8890.
> If you tell me steps to reproduce the problem of TX2, I will
> investigate it with TX as well.

PMR_EL1 reporting fantasy values, non-uniform priority support across
the interrupt classes, and generally prone to lockups. The original TX
is a very different machine though (TX 1 and 2 only share the engraving
of the manufacturer on the heat-spreader).

        M.
--
Jazz is not dead. It just smells funny...