[PATCH 3/3] KVM: selftests: Update hwcr_msr_test for CPUID faulting bit
From: Jim Mattson
Date: Thu Apr 02 2026 - 18:33:27 EST
Add BIT_ULL(35) (CpuidUserDis) to the valid mask in hwcr_msr_test, now that
KVM accepts writes to this bit when the guest CPUID advertises
CpuidUserDis.
Signed-off-by: Jim Mattson <jmattson@xxxxxxxxxx>
---
tools/testing/selftests/kvm/x86/hwcr_msr_test.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/x86/hwcr_msr_test.c b/tools/testing/selftests/kvm/x86/hwcr_msr_test.c
index 10b1b0ba374e..5357281e6e4e 100644
--- a/tools/testing/selftests/kvm/x86/hwcr_msr_test.c
+++ b/tools/testing/selftests/kvm/x86/hwcr_msr_test.c
@@ -11,7 +11,7 @@
void test_hwcr_bit(struct kvm_vcpu *vcpu, unsigned int bit)
{
const uint64_t ignored = BIT_ULL(3) | BIT_ULL(6) | BIT_ULL(8);
- const uint64_t valid = BIT_ULL(18) | BIT_ULL(24);
+ const uint64_t valid = BIT_ULL(18) | BIT_ULL(24) | BIT_ULL(35);
const uint64_t legal = ignored | valid;
uint64_t val = BIT_ULL(bit);
uint64_t actual;
--
2.53.0.1213.gd9a14994de-goog