Re: [PATCH v3 5/9] KVM: s390: selftest: memop: Move testlist into main

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On 17/11/2022 23.17, Janis Schoetterl-Glausch wrote:
This allows checking if the necessary requirements for a test case are
met via an arbitrary expression. In particular, it is easy to check if
certain bits are set in the memop extension capability.

Signed-off-by: Janis Schoetterl-Glausch <scgl@xxxxxxxxxxxxx>
---
  tools/testing/selftests/kvm/s390x/memop.c | 132 +++++++++++-----------
  1 file changed, 66 insertions(+), 66 deletions(-)

diff --git a/tools/testing/selftests/kvm/s390x/memop.c b/tools/testing/selftests/kvm/s390x/memop.c
index 286185a59238..10f34c629cac 100644
--- a/tools/testing/selftests/kvm/s390x/memop.c
+++ b/tools/testing/selftests/kvm/s390x/memop.c
@@ -690,87 +690,87 @@ static void test_errors(void)
  	kvm_vm_free(t.kvm_vm);
  }
-struct testdef {
-	const char *name;
-	void (*test)(void);
-	int extension;
-} testlist[] = {
-	{
-		.name = "simple copy",
-		.test = test_copy,
-	},
-	{
-		.name = "generic error checks",
-		.test = test_errors,
-	},
-	{
-		.name = "copy with storage keys",
-		.test = test_copy_key,
-		.extension = 1,
-	},
-	{
-		.name = "copy with key storage protection override",
-		.test = test_copy_key_storage_prot_override,
-		.extension = 1,
-	},
-	{
-		.name = "copy with key fetch protection",
-		.test = test_copy_key_fetch_prot,
-		.extension = 1,
-	},
-	{
-		.name = "copy with key fetch protection override",
-		.test = test_copy_key_fetch_prot_override,
-		.extension = 1,
-	},
-	{
-		.name = "error checks with key",
-		.test = test_errors_key,
-		.extension = 1,
-	},
-	{
-		.name = "termination",
-		.test = test_termination,
-		.extension = 1,
-	},
-	{
-		.name = "error checks with key storage protection override",
-		.test = test_errors_key_storage_prot_override,
-		.extension = 1,
-	},
-	{
-		.name = "error checks without key fetch prot override",
-		.test = test_errors_key_fetch_prot_override_not_enabled,
-		.extension = 1,
-	},
-	{
-		.name = "error checks with key fetch prot override",
-		.test = test_errors_key_fetch_prot_override_enabled,
-		.extension = 1,
-	},
-};
int main(int argc, char *argv[])
  {
  	int extension_cap, idx;
+ setbuf(stdout, NULL); /* Tell stdout not to buffer its content */
  	TEST_REQUIRE(kvm_has_cap(KVM_CAP_S390_MEM_OP));
+	extension_cap = kvm_check_cap(KVM_CAP_S390_MEM_OP_EXTENSION);
- setbuf(stdout, NULL); /* Tell stdout not to buffer its content */
+	struct testdef {
+		const char *name;
+		void (*test)(void);
+		bool requirements_met;
+	} testlist[] = {
+		{
+			.name = "simple copy",
+			.test = test_copy,
+			.requirements_met = true,
+		},
+		{
+			.name = "generic error checks",
+			.test = test_errors,
+			.requirements_met = true,
+		},
+		{
+			.name = "copy with storage keys",
+			.test = test_copy_key,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "copy with key storage protection override",
+			.test = test_copy_key_storage_prot_override,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "copy with key fetch protection",
+			.test = test_copy_key_fetch_prot,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "copy with key fetch protection override",
+			.test = test_copy_key_fetch_prot_override,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "error checks with key",
+			.test = test_errors_key,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "termination",
+			.test = test_termination,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "error checks with key storage protection override",
+			.test = test_errors_key_storage_prot_override,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "error checks without key fetch prot override",
+			.test = test_errors_key_fetch_prot_override_not_enabled,
+			.requirements_met = extension_cap > 0,
+		},
+		{
+			.name = "error checks with key fetch prot override",
+			.test = test_errors_key_fetch_prot_override_enabled,
+			.requirements_met = extension_cap > 0,

I wonder whether it would rather make sense to check for "extension_cap & 1" instead of "extension_cap > 0" ?

Anyway:
Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>




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