Stable backport request

[Greg KH]

On Sun, Oct 24, 2021 at 09:21:09AM +1100, Michael Ellerman wrote:
> Hi Greg,
> 
> Please backport the following commit to v5.4 and v5.10:
> 
>   73287caa9210ded6066833195f4335f7f688a46b
>   ("powerpc64/idle: Fix SP offsets when saving GPRs")
> 
> 
> And please backport the following commits to v5.4, v5.10 and v5.14:
> 
>   9b4416c5095c20e110c82ae602c254099b83b72f
>   ("KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()")
> 
>   cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337
>   ("KVM: PPC: Book3S HV: Make idle_kvm_start_guest() return 0 if it went to guest")
> 
>   496c5fe25c377ddb7815c4ce8ecfb676f051e9b6
>   ("powerpc/idle: Don't corrupt back chain when going idle")

All now queued up, thanks!

greg k-h