Re: [PATCH 0/5] KVM: selftests: Fix clocksource requirements in tests

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On Tue, 09 Jan 2024 15:11:16 +0100, Vitaly Kuznetsov wrote:
> It was discovered that 'hyperv_clock' fails miserably when the system is
> using an unsupported (by KVM) clocksource, e.g. 'kvm-clock'. The root cause
> of the failure is that 'hyperv_clock' doesn't actually check which clocksource
> is currently in use. Other tests (kvm_clock_test, vmx_nested_tsc_scaling_test)
> have the required check but each test does it on its own.
> 
> Generalize clocksource checking infrastructure, make all three clocksource
> dependent tests run with 'tsc' and 'hyperv_clocksource_tsc_page', and skip
> gracefully when run in an unsupported configuration.
> 
> [...]

Applied to kvm-x86 selftests, thanks!

[1/5] KVM: selftests: Generalize check_clocksource() from kvm_clock_test
      https://github.com/kvm-x86/linux/commit/449d0d6ccf55
[2/5] KVM: selftests: Use generic sys_clocksource_is_tsc() in vmx_nested_tsc_scaling_test
      https://github.com/kvm-x86/linux/commit/a79036441a68
[3/5] KVM: selftests: Run clocksource dependent tests with hyperv_clocksource_tsc_page too
      https://github.com/kvm-x86/linux/commit/436e6e541cb2
[4/5] KVM: selftests: Make hyperv_clock require TSC based system clocksource
      https://github.com/kvm-x86/linux/commit/14fce852a14b
[5/5] KVM: x86: Make gtod_is_based_on_tsc() return 'bool'
      https://github.com/kvm-x86/linux/commit/57cc53712934

--
https://github.com/kvm-x86/linux/tree/next




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