On Tue, 25 Jun 2024 23:40:47 +1000, Nicholas Piggin wrote:
> kexec on pseries disables AIL (reloc_on_exc), required for scv
> instruction support, before other CPUs have been shut down. This means
> they can execute scv instructions after AIL is disabled, which causes an
> interrupt at an unexpected entry location that crashes the kernel.
>
> Change the kexec sequence to disable AIL after other CPUs have been
> brought down.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries: Fix scv instruction crash with kexec
https://git.kernel.org/powerpc/c/21a741eb75f80397e5f7d3739e24d7d75e619011
cheers
