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| author | Jim Mattson <jmattson@google.com> | 2023-09-30 01:02:46 +0200 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2023-10-09 21:37:45 +0200 |
| commit | 591455325a79dbe3be429006f8156f727b2a52dd (patch) | |
| tree | 97735ebcf001c1a52c382af283ff22109284994f /tools/testing/selftests/kvm/Makefile | |
| parent | KVM: x86: Virtualize HWCR.TscFreqSel[bit 24] (diff) | |
| download | linux-591455325a79dbe3be429006f8156f727b2a52dd.tar.xz linux-591455325a79dbe3be429006f8156f727b2a52dd.zip | |
KVM: selftests: Test behavior of HWCR, a.k.a. MSR_K7_HWCR
Verify the following behavior holds true for writes and reads of HWCR from
host userspace:
* Attempts to set bits 3, 6, or 8 are ignored
* Bits 18 and 24 are the only bits that can be set
* Any bit that can be set can also be cleared
Signed-off-by: Jim Mattson <jmattson@google.com>
Link: https://lore.kernel.org/r/20230929230246.1954854-4-jmattson@google.com
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/Makefile')
| -rw-r--r-- | tools/testing/selftests/kvm/Makefile | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile index a3bb36fb3cfc..fb01c3f8d3da 100644 --- a/tools/testing/selftests/kvm/Makefile +++ b/tools/testing/selftests/kvm/Makefile @@ -66,6 +66,7 @@ TEST_GEN_PROGS_x86_64 += x86_64/dirty_log_page_splitting_test TEST_GEN_PROGS_x86_64 += x86_64/get_msr_index_features TEST_GEN_PROGS_x86_64 += x86_64/exit_on_emulation_failure_test TEST_GEN_PROGS_x86_64 += x86_64/fix_hypercall_test +TEST_GEN_PROGS_x86_64 += x86_64/hwcr_msr_test TEST_GEN_PROGS_x86_64 += x86_64/hyperv_clock TEST_GEN_PROGS_x86_64 += x86_64/hyperv_cpuid TEST_GEN_PROGS_x86_64 += x86_64/hyperv_evmcs |