Re: [PATCH 6/6] KVM: selftests: Add memslot modification stress test

[Sean Christopherson]

On Tue, Jan 12, 2021, Ben Gardon wrote:
> Add a memslot modification stress test in which a memslot is repeatedly
> created and removed while vCPUs access memory in another memslot. Most
> userspaces do not create or remove memslots on running VMs which makes
> it hard to test races in adding and removing memslots without a
> dedicated test. Adding and removing a memslot also has the effect of
> tearing down the entire paging structure, which leads to more page
> faults and pressure on the page fault handling path than a one-and-done
> memory population test.

Would it make sense to integrate this with set_memory_region_test?  At a high
level, they are doing very similar things.  Not sure how much code can be shared,
but I assume there's some amount of overlap.