Re: [PATCH 0/2] Fixes for pKVM NP-guest support

[Marc Zyngier]

On Fri, 07 Feb 2025 14:54:36 +0000, Quentin Perret wrote:
> Here are two patches to deal with a race between the handling of
> permission faults and MMU notifiers with pKVM that I found by
> inspection. Specifically, pKVM gets thoroughly confused when it doesn't
> find a page mapped in its relax_perm path, while standard KVM deals
> with that trivially thanks to the -EAGAIN special case in
> user_mem_abort(). The second patch addresses the problem by simplifying
> the implementation of multiple pKVM hypercalls, which also has the nice
> side effect of improving locking by not taking the global host stage-2
> lock as much.
> 
> [...]

Applied to fixes, thanks!

[1/2] KVM: arm64: Improve error handling from check_host_shared_guest()
      commit: c53fbdb60fb61fd6bda2bc0dc89837966625c5dc
[2/2] KVM: arm64: Simplify np-guest hypercalls
      commit: eabc7aaef7a553b64bf6e631ce04526af6c8d104

Cheers,

	M.
-- 
Without deviation from the norm, progress is not possible.