[PATCH v3 05/21] KVM: selftests: Drop redundant VMWRITE of TSC_MULTIPLIER_HIGH

From: Sean Christopherson

Date: Wed Sep 30 2026 - 14:02:31 EST


Drop a redundant VMWRITE of TSC_MULTIPLIER_HIGH in the nested TSC scaling
test. KVM selftests are 64-bit only, i.e. the full 64-bit multiplier is
always written by setting TSC_MULTIPLIER.

Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
---
tools/testing/selftests/kvm/x86/nested_tsc_scaling_test.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/tools/testing/selftests/kvm/x86/nested_tsc_scaling_test.c b/tools/testing/selftests/kvm/x86/nested_tsc_scaling_test.c
index 65de46f80a3e..052ddd61482d 100644
--- a/tools/testing/selftests/kvm/x86/nested_tsc_scaling_test.c
+++ b/tools/testing/selftests/kvm/x86/nested_tsc_scaling_test.c
@@ -122,7 +122,6 @@ static void l1_vmx_code(struct vmx_pages *vmx_pages)

vmwrite(TSC_OFFSET, TSC_OFFSET_L2);
vmwrite(TSC_MULTIPLIER, TSC_MULTIPLIER_L2);
- vmwrite(TSC_MULTIPLIER_HIGH, TSC_MULTIPLIER_L2 >> 32);

/* launch L2 */
vmlaunch();
--
2.56.0.rc1.315.gc6ed9934b7-goog