On Thu, 29 Aug 2024 21:44:48 -0700, Sean Christopherson wrote:
> In x86's debug_regs test, change the RDMSR(MISC_ENABLES) in the single-step
> testcase to a WRMSR(TSC_DEADLINE) in order to verify that KVM honors
> KVM_GUESTDBG_SINGLESTEP when handling a fastpath VM-Exit.
>
> Note, the extra coverage is effectively Intel-only, as KVM only handles
> TSC_DEADLINE in the fastpath when the timer is emulated via the hypervisor
> timer, a.k.a. the VMX preemption timer.
>
> [...]
Applied to kvm-x86 selftests, thanks!
[1/1] KVM: selftests: Verify single-stepping a fastpath VM-Exit exits to userspace
https://github.com/kvm-x86/linux/commit/c32e028057f1
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https://github.com/kvm-x86/linux/tree/next
