> > On May 8, 2020, at 1:39 PM, Jim Mattson <jmattson@xxxxxxxxxx> wrote: > > When the VMX-preemption timer is activated, code executing in VMX > non-root operation should never be able to record a TSC value beyond > the deadline imposed by adding the scaled VMX-preemption timer value > to the first TSC value observed by the guest after VM-entry. > > Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx> > Reviewed-by: Peter Shier <pshier@xxxxxxxxxx> This test failed on my bare-metal machine (Broadwell): Test suite: vmx_preemption_timer_expiry_test FAIL: Last stored guest TSC (44435478250637180) < TSC deadline (44435478250419552) Any hints why, perhaps based on the motivation for the test?
