On 03/12/19 20:16, Greg Kroah-Hartman wrote: > On Tue, Dec 03, 2019 at 01:52:47PM +0100, Paolo Bonzini wrote: >> On 03/12/19 13:27, Jack Wang wrote: >>>>> Should we simply revert the patch, maybe also >>>>> 9fe573d539a8 ("KVM: nVMX: reset cache/shadows when switching loaded VMCS") >>>>> >>>>> Both of them are from one big patchset: >>>>> https://patchwork.kernel.org/cover/10616179/ >>>>> >>>>> Revert both patches recover the regression I see on kvm-unit-tests. >>>> Greg already included the patches that the bot missed, so it's okay. >>>> >>>> Paolo >>>> >>> Sorry, I think I gave wrong information initially, it's 9fe573d539a8 >>> ("KVM: nVMX: reset cache/shadows when switching loaded VMCS") >>> which caused regression. >>> >>> Should we revert or there's following up fix we should backport? >> >> Hmm, let's revert all four. This one, the two follow-ups and 9fe573d539a8. > > 4? I see three patches here, the 2 follow-up patches that I applied to > the queue, and the "original" backport of b7031fd40fcc ("KVM: nVMX: > reset cache/shadows when switching loaded VMCS") which showed up in the > 4.14.157 and 4.19.87 kernels. The fourth is commit 9fe573d539a8 ("KVM: nVMX: reset cache/shadows when switching loaded VMCS"), which was also autoselected. Paolo