diff mbox series

[kvm-unit-tests,04/16] svm: make svm_intr_intercept_mix_if/gif test a bit more robust

Message ID 20221020152404.283980-5-mlevitsk@redhat.com (mailing list archive)
State New, archived
Headers show
Series kvm-unit-tests: set of fixes and new tests | expand

Commit Message

Maxim Levitsky Oct. 20, 2022, 3:23 p.m. UTC 
When injecting self IPI the test assumes that initial EFLAGS.IF flag is
zero, but previous tests might have set it.

Explicitly disable interrupts to avoid this assumption.

Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
---
 x86/svm_tests.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/x86/svm_tests.c b/x86/svm_tests.c
index a6b26e72..d734e5f7 100644
--- a/x86/svm_tests.c
+++ b/x86/svm_tests.c
@@ -3155,6 +3155,7 @@  static void svm_intr_intercept_mix_if(void)
 	vmcb->save.rflags &= ~X86_EFLAGS_IF;
 
 	test_set_guest(svm_intr_intercept_mix_if_guest);
+	irq_disable();
 	apic_icr_write(APIC_DEST_SELF | APIC_DEST_PHYSICAL | APIC_DM_FIXED | 0x55, 0);
 	svm_intr_intercept_mix_run_guest(&dummy_isr_recevied, SVM_EXIT_INTR);
 }
@@ -3187,6 +3188,7 @@  static void svm_intr_intercept_mix_gif(void)
 	vmcb->save.rflags &= ~X86_EFLAGS_IF;
 
 	test_set_guest(svm_intr_intercept_mix_gif_guest);
+	irq_disable();
 	apic_icr_write(APIC_DEST_SELF | APIC_DEST_PHYSICAL | APIC_DM_FIXED | 0x55, 0);
 	svm_intr_intercept_mix_run_guest(&dummy_isr_recevied, SVM_EXIT_INTR);
 }