Re: [PATCH 1/2] powerpc/pseries: Ensure vpa,slb_shadow & dtl are unregistered during crash

On Wed, 08 Jul 2026 07:28:00 +0530, Vaibhav Jain wrote:
> Currently pseries_kexec_cpu_down() skips unregistering vpa, slb_shadow and
> dtl areas during a crash and kexec shutdown path. It was done to avoid
> doing an HCALL while crashing. However recently Anushree reported that
> during kernel crash while the kdump kernel was coming up, Hypervisor
> reported invalid values for 'vpa.yield_count' while it dispatching L2-KVM
> Guest vcpus. The error manifested as debug build Hypervisor assert
> triggering to indicate possible VPA corruption.
> 
> [...]

Applied to powerpc/fixes.

[1/2] powerpc/pseries: Ensure vpa,slb_shadow & dtl are unregistered during crash
      https://git.kernel.org/powerpc/c/810d07fb4cf7577847f85a6fd6273b69cad8d580

cheers