Update the vmcall instruction invocation to happen according to the cpu
type.
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
tools/testing/selftests/kvm/include/x86_64/processor.h | 8 ++++++++
tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c | 2 +-
.../selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c | 2 +-
tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c | 2 +-
4 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/x86_64/processor.h b/tools/testing/selftests/kvm/include/x86_64/processor.h
index 18a8a6a2b786..74893a7a80f8 100644
--- a/tools/testing/selftests/kvm/include/x86_64/processor.h
+++ b/tools/testing/selftests/kvm/include/x86_64/processor.h
@@ -833,6 +833,14 @@ void vm_set_page_table_entry(struct kvm_vm *vm, struct kvm_vcpu *vcpu,
uint64_t kvm_hypercall(uint64_t nr, uint64_t a0, uint64_t a1, uint64_t a2,
uint64_t a3);
+/*
+ * Execute vmcall instruction.
+ */
+static inline void vmcall(void)
+{
+ kvm_hypercall(0, 0, 0, 0, 0);
+}
+
void nested_guest_vmcall(void);
void __vm_xsave_require_permission(int bit, const char *name);
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
index 5abecf06329e..8180711c8684 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_apic_access_test.c
@@ -31,7 +31,7 @@
static void l2_guest_code(void)
{
/* Exit to L1 */
- __asm__ __volatile__("vmcall");
+ vmcall();
}
static void l1_guest_code(struct vmx_pages *vmx_pages, unsigned long high_gpa)
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c
index 465a9434d61c..37da9d01d5d6 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_nested_tsc_scaling_test.c
@@ -76,7 +76,7 @@ static void l2_guest_code(void)
check_tsc_freq(UCHECK_L2);
/* exit to L1 */
- __asm__ __volatile__("vmcall");
+ vmcall();
}
static void l1_guest_code(struct vmx_pages *vmx_pages)
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
index 5943187e8594..00192f564d9b 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_tsc_adjust_test.c
@@ -74,7 +74,7 @@ static void l2_guest_code(void)
check_ia32_tsc_adjust(-2 * TSC_ADJUST_VALUE);
/* Exit to L1 */
- __asm__ __volatile__("vmcall");
+ vmcall();
}
static void l1_guest_code(struct vmx_pages *vmx_pages)
--
2.37.2.789.g6183377224-goog
