diff options
| author | Yosry Ahmed <yosry@kernel.org> | 2026-03-03 00:33:58 +0000 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2026-03-04 16:08:45 -0800 |
| commit | ac17892e51525ccea892b7e3171e2d1e9bb6fa61 (patch) | |
| tree | 3810c26db61d0493434424bea5d82805a42f82eb /tools/testing/selftests/kvm/include | |
| parent | 3700f0788da6acf73b2df56690f4b201aa4aefd2 (diff) | |
KVM: selftests: Add a test for LBR save/restore (ft. nested)
Add a selftest exercising save/restore with usage of LBRs in both L1 and
L2, and making sure all LBRs remain intact.
Signed-off-by: Yosry Ahmed <yosry@kernel.org>
Link: https://patch.msgid.link/20260303003421.2185681-5-yosry@kernel.org
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/include')
| -rw-r--r-- | tools/testing/selftests/kvm/include/x86/processor.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/include/x86/processor.h b/tools/testing/selftests/kvm/include/x86/processor.h index 4ebae4269e68..db0171935197 100644 --- a/tools/testing/selftests/kvm/include/x86/processor.h +++ b/tools/testing/selftests/kvm/include/x86/processor.h @@ -1360,6 +1360,11 @@ static inline bool kvm_is_ignore_msrs(void) return get_kvm_param_bool("ignore_msrs"); } +static inline bool kvm_is_lbrv_enabled(void) +{ + return !!get_kvm_amd_param_integer("lbrv"); +} + uint64_t *vm_get_pte(struct kvm_vm *vm, uint64_t vaddr); uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2, |