Introduce arch specific API: kvm_selftest_arch_init to allow each arch to
handle initialization before running any selftest logic.
Suggested-by: Sean Christopherson <seanjc@xxxxxxxxxx>
Signed-off-by: Vishal Annapurve <vannapurve@xxxxxxxxxx>
---
.../selftests/kvm/include/kvm_util_base.h | 5 +++++
.../selftests/kvm/lib/aarch64/processor.c | 18 +++++++++---------
tools/testing/selftests/kvm/lib/kvm_util.c | 2 ++
.../selftests/kvm/lib/riscv/processor.c | 4 ++++
.../selftests/kvm/lib/s390x/processor.c | 4 ++++
.../selftests/kvm/lib/x86_64/processor.c | 4 ++++
6 files changed, 28 insertions(+), 9 deletions(-)
diff --git a/tools/testing/selftests/kvm/include/kvm_util_base.h b/tools/testing/selftests/kvm/include/kvm_util_base.h
index 24fde97f6121..98edbbda9f97 100644
--- a/tools/testing/selftests/kvm/include/kvm_util_base.h
+++ b/tools/testing/selftests/kvm/include/kvm_util_base.h
@@ -834,4 +834,9 @@ static inline int __vm_disable_nx_huge_pages(struct kvm_vm *vm)
return __vm_enable_cap(vm, KVM_CAP_VM_DISABLE_NX_HUGE_PAGES, 0);
}
+/*
+ * API to execute architecture specific setup before executing selftest logic.
+ */
+void kvm_selftest_arch_init(void);
+
#endif /* SELFTEST_KVM_UTIL_BASE_H */
diff --git a/tools/testing/selftests/kvm/lib/aarch64/processor.c b/tools/testing/selftests/kvm/lib/aarch64/processor.c
index 6f5551368944..2281d6c5d02f 100644
--- a/tools/testing/selftests/kvm/lib/aarch64/processor.c
+++ b/tools/testing/selftests/kvm/lib/aarch64/processor.c
@@ -495,15 +495,6 @@ void aarch64_get_supported_page_sizes(uint32_t ipa,
close(kvm_fd);
}
-/*
- * arm64 doesn't have a true default mode, so start by computing the
- * available IPA space and page sizes early.
- */
-void __attribute__((constructor)) init_guest_modes(void)
-{
- guest_modes_append_default();
-}
-
void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1,
uint64_t arg2, uint64_t arg3, uint64_t arg4, uint64_t arg5,
uint64_t arg6, struct arm_smccc_res *res)
@@ -528,3 +519,12 @@ void smccc_hvc(uint32_t function_id, uint64_t arg0, uint64_t arg1,
[arg4] "r"(arg4), [arg5] "r"(arg5), [arg6] "r"(arg6)
: "x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7");
}
+
+/*
+ * arm64 doesn't have a true default mode, so start by computing the
+ * available IPA space and page sizes early.
+ */
+void kvm_selftest_arch_init(void)
+{
+ guest_modes_append_default();
+}
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index 3c83838999f5..dafe4471a6c7 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -1984,4 +1984,6 @@ void __attribute((constructor)) kvm_selftest_init(void)
{
/* Tell stdout not to buffer its content. */
setbuf(stdout, NULL);
+
+ kvm_selftest_arch_init();
}
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index 604478151212..26660dd2ba78 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -362,3 +362,7 @@ void vcpu_args_set(struct kvm_vcpu *vcpu, unsigned int num, ...)
void assert_on_unhandled_exception(struct kvm_vcpu *vcpu)
{
}
+
+void kvm_selftest_arch_init(void)
+{
+}
diff --git a/tools/testing/selftests/kvm/lib/s390x/processor.c b/tools/testing/selftests/kvm/lib/s390x/processor.c
index 89d7340d9cbd..8654ec74009a 100644
--- a/tools/testing/selftests/kvm/lib/s390x/processor.c
+++ b/tools/testing/selftests/kvm/lib/s390x/processor.c
@@ -218,3 +218,7 @@ void vcpu_arch_dump(FILE *stream, struct kvm_vcpu *vcpu, uint8_t indent)
void assert_on_unhandled_exception(struct kvm_vcpu *vcpu)
{
}
+
+void kvm_selftest_arch_init(void)
+{
+}
diff --git a/tools/testing/selftests/kvm/lib/x86_64/processor.c b/tools/testing/selftests/kvm/lib/x86_64/processor.c
index 2e6e61bbe81b..20bf125f9363 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/processor.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/processor.c
@@ -1311,3 +1311,7 @@ bool vm_is_unrestricted_guest(struct kvm_vm *vm)
return val == 'Y';
}
+
+void kvm_selftest_arch_init(void)
+{
+}
--
2.37.2.789.g6183377224-goog
