linux-kernel - [RFC PATCH 097/105] KVM: selftests: Convert kvm_binary_stats_test away from VCPU

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Date:   Fri, 11 Mar 2022 05:50:48 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     linux-kernel@...r.kernel.org
Cc:     Sean Christopherson <seanjc@...gle.com>
Subject: [RFC PATCH 097/105] KVM: selftests: Convert kvm_binary_stats_test
 away from VCPU_ID

Signed-off-by: Sean Christopherson <seanjc@...gle.com>
---
 .../testing/selftests/kvm/kvm_binary_stats_test.c  | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/kvm/kvm_binary_stats_test.c b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
index 77b8967fe702..3a1eabd64137 100644
--- a/tools/testing/selftests/kvm/kvm_binary_stats_test.c
+++ b/tools/testing/selftests/kvm/kvm_binary_stats_test.c
@@ -172,9 +172,9 @@ static void vm_stats_test(struct kvm_vm *vm)
 	TEST_ASSERT(fcntl(stats_fd, F_GETFD) == -1, "Stats fd not freed");
 }
 
-static void vcpu_stats_test(struct kvm_vm *vm, int vcpu_id)
+static void vcpu_stats_test(struct kvm_vcpu *vcpu)
 {
-	int stats_fd = vcpu_get_stats_fd(vm, vcpu_id);
+	int stats_fd = vcpu_get_stats_fd(vcpu->vm, vcpu->id);
 
 	stats_test(stats_fd);
 	close(stats_fd);
@@ -195,6 +195,7 @@ static void vcpu_stats_test(struct kvm_vm *vm, int vcpu_id)
 int main(int argc, char *argv[])
 {
 	int i, j;
+	struct kvm_vcpu ***vcpus;
 	struct kvm_vm **vms;
 	int max_vm = DEFAULT_NUM_VM;
 	int max_vcpu = DEFAULT_NUM_VCPU;
@@ -220,17 +221,22 @@ int main(int argc, char *argv[])
 	/* Create VMs and VCPUs */
 	vms = malloc(sizeof(vms[0]) * max_vm);
 	TEST_ASSERT(vms, "Allocate memory for storing VM pointers");
+
+	vcpus = malloc(sizeof(struct kvm_vcpu *) * max_vm * max_vcpu);
+	TEST_ASSERT(vcpus, "Allocate memory for storing vCPU pointers");
+
 	for (i = 0; i < max_vm; ++i) {
 		vms[i] = vm_create(DEFAULT_GUEST_PHY_PAGES);
+
 		for (j = 0; j < max_vcpu; ++j)
-			__vm_vcpu_add(vms[i], j);
+			vcpus[i][j] = __vm_vcpu_add(vms[i], j);
 	}
 
 	/* Check stats read for every VM and VCPU */
 	for (i = 0; i < max_vm; ++i) {
 		vm_stats_test(vms[i]);
 		for (j = 0; j < max_vcpu; ++j)
-			vcpu_stats_test(vms[i], j);
+			vcpu_stats_test(vcpus[i][j]);
 	}
 
 	for (i = 0; i < max_vm; ++i)
-- 
2.35.1.723.g4982287a31-goog