diff options
| author | Sean Christopherson <seanjc@google.com> | 2024-01-10 02:02:42 +0300 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2024-01-31 02:29:41 +0300 |
| commit | c85e986716b03bccfec2e5a577cc1aab4f172ffd (patch) | |
| tree | 304b566b875332d3521a8bafd03e0d08e5c0a4a2 /tools/testing/selftests/kvm/include/x86_64 | |
| parent | b55e7adf633a8a13d5ede57b77509ea8fa157a56 (diff) | |
| download | linux-c85e986716b03bccfec2e5a577cc1aab4f172ffd.tar.xz | |
KVM: selftests: Add a helper to query if the PMU module param is enabled
Add a helper to probe KVM's "enable_pmu" param, open coding strings in
multiple places is just asking for false negatives and/or runtime errors
due to typos.
Reviewed-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Link: https://lore.kernel.org/r/20240109230250.424295-23-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include/x86_64')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86_64/processor.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h index 92d4f8ecc730..ee082ae58f40 100644 --- a/tools/testing/selftests/kvm/include/x86_64/processor.h +++ b/tools/testing/selftests/kvm/include/x86_64/processor.h @@ -1217,6 +1217,11 @@ static inline uint8_t xsetbv_safe(uint32_t index, uint64_t value) bool kvm_is_tdp_enabled(void); +static inline bool kvm_is_pmu_enabled(void) +{ + return get_kvm_param_bool("enable_pmu"); +} + uint64_t *__vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr, int *level); uint64_t *vm_get_page_table_entry(struct kvm_vm *vm, uint64_t vaddr); |