[PATCH v2 0/7] KVM: selftests: Fixes for ucall pool + page_fault_test

[Paolo Bonzini]

On 12/9/22 02:52, Oliver Upton wrote:
> The combination of the pool-based ucall implementation + page_fault_test
> resulted in some 'fun' bugs. As has always been the case, KVM selftests
> is a house of cards.
> 
> Small series to fix up the issues on kvm/queue. Patches 1-2 can probably
> be squashed into Paolo's merge resolution, if desired.
> 
> Tested on Ampere Altra and a Skylake box, since there was a decent
> amount of munging in architecture-generic code.
> 
> v1 -> v2:
>   - Collect R-b from Sean (thanks!)
>   - Use a common routine for split and contiguous VA spaces, with
>     commentary on why arm64 is different since we all get to look at it
>     now. (Sean)
>   - Don't identity map the ucall MMIO hole
>   - Fix an off-by-one issue in the accounting of virtual memory,
>     discovered in fighting with #2
>   - Fix an infinite loop in ucall_alloc(), discovered fighting with the
>     ucall_init() v. kvm_vm_elf_load() ordering issue

Queued 3+5, thanks.

Paolo