Re: [PATCH v4 00/12] KVM: selftests: Stress save+restore and #PF (ft. nested)

From: Sean Christopherson

Date: Tue Jul 28 2026 - 11:57:40 EST


On Mon, Jul 27, 2026, Yosry Ahmed wrote:
> Add a stress test for save+restore while the guest is triggering and
> handling #PFs, in both L1 and L2. The goal was to create a generic
> selftest that would catch bugs like the one fixed by commit 5c247d08bc81
> ("KVM: nSVM: Use vcpu->arch.cr2 when updating vmcb12 on nested
> #VMEXIT"), instead of relying on high-level testing (e.g. building GCC
> in L2) to catch it.

LGTM, but there are juuuust enough nits that it'd be easier for me if you send
a v5.

Thanks!