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authorPaolo Bonzini <pbonzini@redhat.com>2022-09-29 20:20:13 +0300
committerPaolo Bonzini <pbonzini@redhat.com>2022-11-09 20:31:19 +0300
commit4b8e1b32013da2495244dbdee70f2456e6bc7aca (patch)
tree9cea015d6077469b118b34a3a04c4fc0ede4a361 /tools
parent1d0da94cdafe38b2c501a8d55f981204e588e259 (diff)
downloadlinux-4b8e1b32013da2495244dbdee70f2456e6bc7aca.tar.xz
KVM: allow compiling out SMM support
Some users of KVM implement the UEFI variable store through a paravirtual device that does not require the "SMM lockbox" component of edk2; allow them to compile out system management mode, which is not a full implementation especially in how it interacts with nested virtualization. Suggested-by: Sean Christopherson <seanjc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Maxim Levitsky <mlevitsk@redhat.com> Message-Id: <20220929172016.319443-6-pbonzini@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/testing/selftests/kvm/x86_64/smm_test.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
index 1f136a81858e..cb38a478e1f6 100644
--- a/tools/testing/selftests/kvm/x86_64/smm_test.c
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -137,6 +137,8 @@ int main(int argc, char *argv[])
struct kvm_x86_state *state;
int stage, stage_reported;
+ TEST_REQUIRE(kvm_has_cap(KVM_CAP_X86_SMM));
+
/* Create VM */
vm = vm_create_with_one_vcpu(&vcpu, guest_code);