On Wed, 2 May 2018 23:07:26 +1000
Michael Ellerman wrote:
> A CPU that gets stuck with interrupts hard disable can be difficult to
> debug, as on some platforms we have no way to interrupt the CPU to
> find out what it's doing.
>
> A stop-gap is to have the CPU save it's stack pointer (r1) in i
A CPU that gets stuck with interrupts hard disable can be difficult to
debug, as on some platforms we have no way to interrupt the CPU to
find out what it's doing.
A stop-gap is to have the CPU save it's stack pointer (r1) in its paca
when it hard disables interrupts. That way if we can't interrup