KVM: selftests: Add a testcase for disabling feature MSRs init quirk

Browse source

Expand and rename the feature MSRs test to verify KVM's ABI and quirk
for initializing feature MSRs.

Exempt VM_CR{0,4}_FIXED1 from most tests as KVM intentionally takes full
control of the MSRs, e.g. to prevent L1 from running L2 with bogus CR0
and/or CR4 values.

Link: https://lore.kernel.org/r/20240802185511.305849-10-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

...

This commit is contained in:

Sean Christopherson 2024-08-02 11:55:11 -07:00

parent b799e3e7da

commit 0581dfbad9

3 changed files with 114 additions and 36 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

2

tools/testing/selftests/kvm/Makefile

View file

113

tools/testing/selftests/kvm/x86_64/feature_msrs_test.c

View file

35

tools/testing/selftests/kvm/x86_64/get_msr_index_features.c

View file