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From: Muhammad Usama Anjum <usama.anjum@arm.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Shuah Khan <shuah@kernel.org>,
	Andrey Konovalov <andreyknvl@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Amit Daniel Kachhap <amit.kachhap@arm.com>,
	Mark Brown <broonie@kernel.org>,
	Yeoreum Yun <yeoreum.yun@arm.com>,
	linux-kernel@vger.kernel.org (open list),
	linux-arm-kernel@lists.infradead.org (moderated list:ARM64 PORT
	(AARCH64 ARCHITECTURE)),
	linux-kselftest@vger.kernel.org (open list:KERNEL SELFTEST
	FRAMEWORK)
Cc: Muhammad Usama Anjum <usama.anjum@arm.com>
Subject: [PATCH 3/4] selftest/arm64: Fix MTE prctl TAP plan
Date: Thu, 20 Aug 2026 16:33:25 +0100	[thread overview]
Message-ID: <20260820153331.2448875-4-usama.anjum@arm.com> (raw)
In-Reply-To: <20260820153331.2448875-1-usama.anjum@arm.com>

The MTE prctl test emits one result from check_basic_read() followed by
one result for each of the seven entries in mte_modes[]. However, the TAP
plan only accounts for the array entries, producing:

  # Planned tests != run tests (7 != 8)

Include the basic read check in the plan so that all eight emitted results
are declared.

Fixes: 1f488fb91378 ("kselftest/arm64/mte: Add MTE_STORE_ONLY testcases")
Signed-off-by: Muhammad Usama Anjum <usama.anjum@arm.com>
---
 tools/testing/selftests/arm64/mte/check_prctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/mte/check_prctl.c b/tools/testing/selftests/arm64/mte/check_prctl.c
index f7f320defa7b9..d16a91117eef9 100644
--- a/tools/testing/selftests/arm64/mte/check_prctl.c
+++ b/tools/testing/selftests/arm64/mte/check_prctl.c
@@ -119,7 +119,7 @@ int main(void)
 	int i;
 
 	ksft_print_header();
-	ksft_set_plan(ARRAY_SIZE(mte_modes));
+	ksft_set_plan(ARRAY_SIZE(mte_modes) + 1);
 
 	check_basic_read();
 	for (i = 0; i < ARRAY_SIZE(mte_modes); i++)
-- 
2.47.3


  parent reply	other threads:[~2026-08-20 15:34 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-20 15:33 [PATCH 0/4] selftest/arm64: Fix MTE test setup and TAP reporting Muhammad Usama Anjum
2026-08-20 15:33 ` [PATCH 1/4] selftest/arm64: Print TAP header Muhammad Usama Anjum
2026-08-20 15:43   ` Mark Brown
2026-08-20 15:33 ` [PATCH 2/4] selftest/arm64: Treat KSM merge_across_nodes as optional Muhammad Usama Anjum
2026-08-20 16:09   ` Mark Brown
2026-08-21 10:57     ` Muhammad Usama Anjum
2026-08-20 15:33 ` Muhammad Usama Anjum [this message]
2026-08-20 16:14   ` [PATCH 3/4] selftest/arm64: Fix MTE prctl TAP plan Mark Brown
2026-08-20 15:33 ` [PATCH 4/4] selftest/arm64: Add MTE test config fragment Muhammad Usama Anjum
2026-08-20 15:38   ` Mark Brown
2026-08-20 15:42     ` Muhammad Usama Anjum
2026-08-20 16:42       ` Mark Brown
2026-08-21  8:01         ` Muhammad Usama Anjum
2026-08-21  8:55   ` Catalin Marinas
2026-08-21 10:43     ` Muhammad Usama Anjum
2026-08-21 11:38     ` Mark Brown

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