On Tue, Jul 26, 2022, Sean Christopherson wrote: > On Tue, Jul 26, 2022, Mingwei Zhang wrote: > > On Sat, Jul 23, 2022, Sean Christopherson wrote: > > > Patch 6 from Mingwei is the end goal of the series. KVM incorrectly > > > assumes that the NX huge page mitigation is the only scenario where KVM > > > will create a non-leaf page instead of a huge page. Precisely track > > > (via kvm_mmu_page) if a non-huge page is being forced and use that info > > > to avoid unnecessarily forcing smaller page sizes in > > > disallowed_hugepage_adjust(). > > > > > > v2: Rebase, tweak a changelog accordingly. > > > > hmm, I applied this patch set (v2) on top of kvm/queue (HEAD: > > 1a4d88a361af) and it seems kvm-unit-tests/vmx failed on both ept=1 and > > ept=0. And it did not work on our internel kernel either (kernel > > crashed). > > > > Maybe there is still minor issues? > > Heh, or not so minor issues. I'll see what I broke. I have a bad feeling that > it's the EPT tests; IIRC I only ran VMX on a platform with MAXPHYADDR < 40. Hrm, not seeing failures (beyond the VMX_VMCS_ENUM.MAX_INDEX failure because I'm running an older QEMU). I'll follow up off-list to figure out what's going on.
