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author | Paolo Bonzini <pbonzini@redhat.com> | 2023-07-01 14:08:59 +0300 |
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committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-07-01 14:08:59 +0300 |
commit | 36b68d360a7a893ba126d6ea6c1799e0b0726362 (patch) | |
tree | 992ebbf5440209cf688f9244e271fece00e4e209 /tools/testing | |
parent | d74669ebaeb6e5c786b939dc8c48cf7db9d44c84 (diff) | |
parent | 63e2f55cabedf8a7ede928f7cf3ab028af44b9e9 (diff) | |
download | linux-36b68d360a7a893ba126d6ea6c1799e0b0726362.tar.xz |
Merge tag 'kvm-x86-misc-6.5' of https://github.com/kvm-x86/linux into HEAD
KVM x86 changes for 6.5:
* Move handling of PAT out of MTRR code and dedup SVM+VMX code
* Fix output of PIC poll command emulation when there's an interrupt
* Add a maintainer's handbook to document KVM x86 processes, preferred coding
style, testing expectations, etc.
* Misc cleanups
Diffstat (limited to 'tools/testing')
-rw-r--r-- | tools/testing/selftests/kvm/x86_64/cpuid_test.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/cpuid_test.c b/tools/testing/selftests/kvm/x86_64/cpuid_test.c index 2fc3ad9c887e..d3c3aa93f090 100644 --- a/tools/testing/selftests/kvm/x86_64/cpuid_test.c +++ b/tools/testing/selftests/kvm/x86_64/cpuid_test.c @@ -163,6 +163,25 @@ static void set_cpuid_after_run(struct kvm_vcpu *vcpu) ent->eax = eax; } +static void test_get_cpuid2(struct kvm_vcpu *vcpu) +{ + struct kvm_cpuid2 *cpuid = allocate_kvm_cpuid2(vcpu->cpuid->nent + 1); + int i, r; + + vcpu_ioctl(vcpu, KVM_GET_CPUID2, cpuid); + TEST_ASSERT(cpuid->nent == vcpu->cpuid->nent, + "KVM didn't update nent on success, wanted %u, got %u\n", + vcpu->cpuid->nent, cpuid->nent); + + for (i = 0; i < vcpu->cpuid->nent; i++) { + cpuid->nent = i; + r = __vcpu_ioctl(vcpu, KVM_GET_CPUID2, cpuid); + TEST_ASSERT(r && errno == E2BIG, KVM_IOCTL_ERROR(KVM_GET_CPUID2, r)); + TEST_ASSERT(cpuid->nent == i, "KVM modified nent on failure"); + } + free(cpuid); +} + int main(void) { struct kvm_vcpu *vcpu; @@ -183,5 +202,7 @@ int main(void) set_cpuid_after_run(vcpu); + test_get_cpuid2(vcpu); + kvm_vm_free(vm); } |