KVM: selftests: Convert x86's KVM paravirt test to printf style GUEST_ASSERT

Convert x86's KVM paravirtualization test to use the printf-based
GUEST_ASSERT_EQ().

Link: https://lore.kernel.org/r/20230729003643.1053367-24-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

Author: sean-jc

tools/testing/selftests/kvm/x86_64/kvm_pv_test.c

@@ -4,6 +4,8 @@
  *
  * Tests for KVM paravirtual feature disablement
  */
+#define USE_GUEST_ASSERT_PRINTF 1
+
 #include <asm/kvm_para.h>
 #include <linux/kvm_para.h>
 #include <stdint.h>
@@ -46,10 +48,10 @@ static void test_msr(struct msr_data *msr)
 	PR_MSR(msr);
 
 	vector = rdmsr_safe(msr->idx, &ignored);
-	GUEST_ASSERT_1(vector == GP_VECTOR, vector);
+	GUEST_ASSERT_EQ(vector, GP_VECTOR);
 
 	vector = wrmsr_safe(msr->idx, 0);
-	GUEST_ASSERT_1(vector == GP_VECTOR, vector);
+	GUEST_ASSERT_EQ(vector, GP_VECTOR);
 }
 
 struct hcall_data {
@@ -77,7 +79,7 @@ static void test_hcall(struct hcall_data *hc)
 
 	PR_HCALL(hc);
 	r = kvm_hypercall(hc->nr, 0, 0, 0, 0);
-	GUEST_ASSERT(r == -KVM_ENOSYS);
+	GUEST_ASSERT_EQ(r, -KVM_ENOSYS);
 }
 
 static void guest_main(void)
@@ -125,7 +127,7 @@ static void enter_guest(struct kvm_vcpu *vcpu)
 			pr_hcall(&uc);
 			break;
 		case UCALL_ABORT:
-			REPORT_GUEST_ASSERT_1(uc, "vector = %lu");
+			REPORT_GUEST_ASSERT(uc);
 			return;
 		case UCALL_DONE:
 			return;