On Sat, 23 Jan 2021 16:15:04 +1000, Nicholas Piggin wrote:
> When replaying pending soft-masked interrupts when an interrupt returns
> to an irqs-enabled context, there is a special case required if this was
> an asynchronous interrupt to avoid unbounded interrupt recursion.
>
> This case was not tested for in the case the asynchronous interrupt hit
> in user context, because a subsequent nested interrupt would by definition
> hit in kernel mode, which then exits via the kernel path which does test
> this case.
>
> [...]
Applied to powerpc/next.
[1/1] powerpc/64s: interrupt exit improve bounding of interrupt recursion
https://git.kernel.org/powerpc/c/c0ef717305f51e29b5ce0c78a6bfe566b3283415
cheers
