linux-kernel - [PATCH 5/6] kselftest/arm64: Fix check_ksm

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Date:   Mon, 26 Oct 2020 12:12:47 +0000
From:   Vincenzo Frascino <vincenzo.frascino@....com>
To:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Cc:     Vincenzo Frascino <vincenzo.frascino@....com>,
        Shuah Khan <shuah@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Gabor Kertesz <gabor.kertesz@....com>,
        Amit Daniel Kachhap <amit.kachhap@....com>
Subject: [PATCH 5/6] kselftest/arm64: Fix check_ksm_options test

The check_ksm_options test reports the error below because the test
plan is not declared correctly:

  # Planned tests != run tests (0 != 4)

Fix the test adding the correct test plan declaration.

Fixes: f981d8fa2646 ("kselftest/arm64: Verify KSM page merge for MTE pages")
Cc: Shuah Khan <shuah@...nel.org>
Cc: Catalin Marinas <catalin.marinas@....com>
Cc: Will Deacon <will@...nel.org>
Cc: Gabor Kertesz <gabor.kertesz@....com>
Cc: Amit Daniel Kachhap <amit.kachhap@....com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
---
 tools/testing/selftests/arm64/mte/check_ksm_options.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/testing/selftests/arm64/mte/check_ksm_options.c b/tools/testing/selftests/arm64/mte/check_ksm_options.c
index bc41ae630c86..3b23c4d61d38 100644
--- a/tools/testing/selftests/arm64/mte/check_ksm_options.c
+++ b/tools/testing/selftests/arm64/mte/check_ksm_options.c
@@ -140,6 +140,10 @@ int main(int argc, char *argv[])
 	/* Register signal handlers */
 	mte_register_signal(SIGBUS, mte_default_handler);
 	mte_register_signal(SIGSEGV, mte_default_handler);
+
+	/* Set test plan */
+	ksft_set_plan(4);
+
 	/* Enable KSM */
 	mte_ksm_setup();
 
-- 
2.28.0