[PATCH v2 4/4] selftests/resctrl: Enable MBA/MBA tests on AMD

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Enable MBA/MBM tests if UMC (Unified Memory Controller) support is
available on the system. Tests will be skipped otherwise.

Update noncont_cat_run_test to check for vendor. AMD supports
non contiguous CBM masks but does not report it via CPUID.

Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
---
 tools/testing/selftests/resctrl/cat_test.c | 2 +-
 tools/testing/selftests/resctrl/mba_test.c | 1 -
 tools/testing/selftests/resctrl/mbm_test.c | 1 -
 3 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/testing/selftests/resctrl/cat_test.c b/tools/testing/selftests/resctrl/cat_test.c
index 4cb991be8e31..b682eaf65bfd 100644
--- a/tools/testing/selftests/resctrl/cat_test.c
+++ b/tools/testing/selftests/resctrl/cat_test.c
@@ -314,7 +314,7 @@ static int noncont_cat_run_test(const struct resctrl_test *test,
 	else
 		return -EINVAL;
 
-	if (sparse_masks != ((ecx >> 3) & 1)) {
+	if ((get_vendor() == ARCH_INTEL) && sparse_masks != ((ecx >> 3) & 1)) {
 		ksft_print_msg("CPUID output doesn't match 'sparse_masks' file content!\n");
 		return 1;
 	}
diff --git a/tools/testing/selftests/resctrl/mba_test.c b/tools/testing/selftests/resctrl/mba_test.c
index 7946e32e85c8..353054724fa7 100644
--- a/tools/testing/selftests/resctrl/mba_test.c
+++ b/tools/testing/selftests/resctrl/mba_test.c
@@ -177,7 +177,6 @@ static bool mba_feature_check(const struct resctrl_test *test)
 struct resctrl_test mba_test = {
 	.name = "MBA",
 	.resource = "MB",
-	.vendor_specific = ARCH_INTEL,
 	.feature_check = mba_feature_check,
 	.run_test = mba_run_test,
 };
diff --git a/tools/testing/selftests/resctrl/mbm_test.c b/tools/testing/selftests/resctrl/mbm_test.c
index d67ffa3ec63a..f2223315b5b8 100644
--- a/tools/testing/selftests/resctrl/mbm_test.c
+++ b/tools/testing/selftests/resctrl/mbm_test.c
@@ -147,7 +147,6 @@ static bool mbm_feature_check(const struct resctrl_test *test)
 struct resctrl_test mbm_test = {
 	.name = "MBM",
 	.resource = "MB",
-	.vendor_specific = ARCH_INTEL,
 	.feature_check = mbm_feature_check,
 	.run_test = mbm_run_test,
 };
-- 
2.34.1





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