linux-kernel - [PATCH 2/3] [v4] kselftest: add support for skipped tests

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Date:   Sun, 14 Feb 2021 10:13:47 -0600
From:   Timur Tabi <timur@...nel.org>
To:     Petr Mladek <pmladek@...e.com>,
        Steven Rostedt <rostedt@...dmis.org>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Vlastimil Babka <vbabka@...e.cz>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Matthew Wilcox <willy@...radead.org>,
        akpm@...ux-foundation.org,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        roman.fietze@...na.com, Kees Cook <keescook@...omium.org>,
        John Ogness <john.ogness@...utronix.de>,
        akinobu.mita@...il.com, glider@...gle.com,
        Andrey Konovalov <andreyknvl@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Pavel Machek <pavel@....cz>,
        Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: [PATCH 2/3] [v4] kselftest: add support for skipped tests

Update the kselftest framework to allow client drivers to
specify that some tests were skipped.

Signed-off-by: Timur Tabi <timur@...nel.org>
Reviewed-by: Petr Mladek <pmladek@...e.com>
Tested-by: Petr Mladek <pmladek@...e.com>
Acked-by: Marco Elver <elver@...gle.com>
---
 tools/testing/selftests/kselftest_module.h | 18 ++++++++++++------
 1 file changed, 12 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/kselftest_module.h b/tools/testing/selftests/kselftest_module.h
index e8eafaf0941a..e2ea41de3f35 100644
--- a/tools/testing/selftests/kselftest_module.h
+++ b/tools/testing/selftests/kselftest_module.h
@@ -11,7 +11,8 @@
 
 #define KSTM_MODULE_GLOBALS()			\
 static unsigned int total_tests __initdata;	\
-static unsigned int failed_tests __initdata
+static unsigned int failed_tests __initdata;	\
+static unsigned int skipped_tests __initdata
 
 #define KSTM_CHECK_ZERO(x) do {						\
 	total_tests++;							\
@@ -21,11 +22,16 @@ static unsigned int failed_tests __initdata
 	}								\
 } while (0)
 
-static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests)
+static inline int kstm_report(unsigned int total_tests, unsigned int failed_tests,
+			      unsigned int skipped_tests)
 {
-	if (failed_tests == 0)
-		pr_info("all %u tests passed\n", total_tests);
-	else
+	if (failed_tests == 0) {
+		if (skipped_tests) {
+			pr_info("skipped %u tests\n", skipped_tests);
+			pr_info("remaining %u tests passed\n", total_tests);
+		} else
+			pr_info("all %u tests passed\n", total_tests);
+	} else
 		pr_warn("failed %u out of %u tests\n", failed_tests, total_tests);
 
 	return failed_tests ? -EINVAL : 0;
@@ -36,7 +42,7 @@ static int __init __module##_init(void)			\
 {							\
 	pr_info("loaded.\n");				\
 	selftest();					\
-	return kstm_report(total_tests, failed_tests);	\
+	return kstm_report(total_tests, failed_tests, skipped_tests);	\
 }							\
 static void __exit __module##_exit(void)		\
 {							\
-- 
2.25.1