[PATCH v5 09/13] KVM: arm64: selftests: Move finalize_vcpu back to run_test

From: Haibo Xu
Date: Sat Jul 01 2023 - 09:39:44 EST


No functional changes. Just move the finalize_vcpu call back to
run_test and do weak function trick to prepare for the opration
in riscv.

Suggested-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
Signed-off-by: Haibo Xu <haibo1.xu@xxxxxxxxx>
Reviewed-by: Andrew Jones <ajones@xxxxxxxxxxxxxxxx>
---
.../selftests/kvm/aarch64/get-reg-list.c | 13 +++++++++++
tools/testing/selftests/kvm/get-reg-list.c | 22 +++++--------------
.../selftests/kvm/include/kvm_util_base.h | 3 +++
3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/tools/testing/selftests/kvm/aarch64/get-reg-list.c b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
index 4aa58f1aebe3..6a7f9de21640 100644
--- a/tools/testing/selftests/kvm/aarch64/get-reg-list.c
+++ b/tools/testing/selftests/kvm/aarch64/get-reg-list.c
@@ -32,6 +32,19 @@ bool check_reject_set(int err)
return err == EPERM;
}

+void finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_reg_list *c)
+{
+ struct vcpu_reg_sublist *s;
+ int feature;
+
+ for_each_sublist(c, s) {
+ if (s->finalize) {
+ feature = s->feature;
+ vcpu_ioctl(vcpu, KVM_ARM_VCPU_FINALIZE, &feature);
+ }
+ }
+}
+
#define REG_MASK (KVM_REG_ARCH_MASK | KVM_REG_SIZE_MASK | KVM_REG_ARM_COPROC_MASK)

#define CORE_REGS_XX_NR_WORDS 2
diff --git a/tools/testing/selftests/kvm/get-reg-list.c b/tools/testing/selftests/kvm/get-reg-list.c
index 79e198968860..c61090806007 100644
--- a/tools/testing/selftests/kvm/get-reg-list.c
+++ b/tools/testing/selftests/kvm/get-reg-list.c
@@ -34,9 +34,6 @@ static __u64 *blessed_reg, blessed_n;
extern struct vcpu_reg_list *vcpu_configs[];
extern int vcpu_configs_n;

-#define for_each_sublist(c, s) \
- for ((s) = &(c)->sublists[0]; (s)->regs; ++(s))
-
#define for_each_reg(i) \
for ((i) = 0; (i) < reg_list->n; ++(i))

@@ -103,6 +100,10 @@ bool __weak check_reject_set(int err)
return true;
}

+void __weak finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_reg_list *c)
+{
+}
+
#ifdef __aarch64__
static void prepare_vcpu_init(struct vcpu_reg_list *c, struct kvm_vcpu_init *init)
{
@@ -113,19 +114,6 @@ static void prepare_vcpu_init(struct vcpu_reg_list *c, struct kvm_vcpu_init *ini
init->features[s->feature / 32] |= 1 << (s->feature % 32);
}

-static void finalize_vcpu(struct kvm_vcpu *vcpu, struct vcpu_reg_list *c)
-{
- struct vcpu_reg_sublist *s;
- int feature;
-
- for_each_sublist(c, s) {
- if (s->finalize) {
- feature = s->feature;
- vcpu_ioctl(vcpu, KVM_ARM_VCPU_FINALIZE, &feature);
- }
- }
-}
-
static struct kvm_vcpu *vcpu_config_get_vcpu(struct vcpu_reg_list *c, struct kvm_vm *vm)
{
struct kvm_vcpu_init init = { .target = -1, };
@@ -134,7 +122,6 @@ static struct kvm_vcpu *vcpu_config_get_vcpu(struct vcpu_reg_list *c, struct kvm
prepare_vcpu_init(c, &init);
vcpu = __vm_vcpu_add(vm, 0);
aarch64_vcpu_setup(vcpu, &init);
- finalize_vcpu(vcpu, c);

return vcpu;
}
@@ -174,6 +161,7 @@ static void run_test(struct vcpu_reg_list *c)

vm = vm_create_barebones();
vcpu = vcpu_config_get_vcpu(c, vm);
+ finalize_vcpu(vcpu, c);

reg_list = vcpu_get_reg_list(vcpu);

diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index ac4aaa21deee..e4480049000d 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -141,6 +141,9 @@ struct vcpu_reg_list {
struct vcpu_reg_sublist sublists[];
};

+#define for_each_sublist(c, s) \
+ for ((s) = &(c)->sublists[0]; (s)->regs; ++(s))
+
#define kvm_for_each_vcpu(vm, i, vcpu) \
for ((i) = 0; (i) <= (vm)->last_vcpu_id; (i)++) \
if (!((vcpu) = vm->vcpus[i])) \
--
2.34.1