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authorPaolo Bonzini <pbonzini@redhat.com>2023-07-01 14:08:59 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2023-07-01 14:08:59 +0300
commit36b68d360a7a893ba126d6ea6c1799e0b0726362 (patch)
tree992ebbf5440209cf688f9244e271fece00e4e209 /tools
parentd74669ebaeb6e5c786b939dc8c48cf7db9d44c84 (diff)
parent63e2f55cabedf8a7ede928f7cf3ab028af44b9e9 (diff)
downloadlinux-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')
-rw-r--r--tools/testing/selftests/kvm/x86_64/cpuid_test.c21
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);
}