diff options
| author | Yosry Ahmed <yosry.ahmed@linux.dev> | 2025-10-21 07:47:18 +0000 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-11-20 16:19:54 -0800 |
| commit | 4d256d00e44e02fae84851729d70df2bc2ebe6e9 (patch) | |
| tree | 331b20914776a3e175833c9ccde9ae71ad23e71c /tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c | |
| parent | e6bcdd21223835a6a5691af224c7c5ff4934436a (diff) | |
KVM: selftests: Move nested invalid CR3 check to its own test
vmx_tsc_adjust_test currently verifies that a nested VMLAUNCH fails with
an invalid CR3. This is irrelevant to TSC scaling, move it to a
standalone test.
Signed-off-by: Yosry Ahmed <yosry.ahmed@linux.dev>
Link: https://patch.msgid.link/20251021074736.1324328-6-yosry.ahmed@linux.dev
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c')
| -rw-r--r-- | tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c index 2ceb5c78c442..2dcc0306a0d9 100644 --- a/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c +++ b/tools/testing/selftests/kvm/x86/vmx_tsc_adjust_test.c @@ -77,7 +77,6 @@ static void l1_guest_code(struct vmx_pages *vmx_pages) #define L2_GUEST_STACK_SIZE 64 unsigned long l2_guest_stack[L2_GUEST_STACK_SIZE]; uint32_t control; - uintptr_t save_cr3; GUEST_ASSERT(rdtsc() < TSC_ADJUST_VALUE); wrmsr(MSR_IA32_TSC, rdtsc() - TSC_ADJUST_VALUE); @@ -94,15 +93,6 @@ static void l1_guest_code(struct vmx_pages *vmx_pages) vmwrite(CPU_BASED_VM_EXEC_CONTROL, control); vmwrite(TSC_OFFSET, TSC_OFFSET_VALUE); - /* Jump into L2. First, test failure to load guest CR3. */ - save_cr3 = vmreadz(GUEST_CR3); - vmwrite(GUEST_CR3, -1ull); - GUEST_ASSERT(!vmlaunch()); - GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == - (EXIT_REASON_FAILED_VMENTRY | EXIT_REASON_INVALID_STATE)); - check_ia32_tsc_adjust(-1 * TSC_ADJUST_VALUE); - vmwrite(GUEST_CR3, save_cr3); - GUEST_ASSERT(!vmlaunch()); GUEST_ASSERT(vmreadz(VM_EXIT_REASON) == EXIT_REASON_VMCALL); |