On Mon, 20 Mar 2023 19:50:08 -0700, Haren Myneni wrote:
> The hypervisor supports user-mode NX from Power10. pseries_vas_dlpar_cpu()
> is called from lparcfg_write() to update VAS windows for DLPAR event in
> shared processor mode and the kernel gets -ENOTSUPP for HCALLs if the
> user-mode NX is not supported. The current VAS implementation also
> supports only with Radix page tables. Whereas in dedicated processor
> mode, pseries_vas_notifier() is registered only if the copy/paste
> feature is enabled. So instead of displaying HCALL error messages,
> update VAS capabilities if the copy/paste feature is available.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/pseries/vas: Ignore VAS update for DLPAR if copy/paste is not
enabled
https://git.kernel.org/powerpc/c/eca9f6e6f83b6725b84e1c76fdde19b003cff0eb
cheers
