linux-kernel - [PATCH 1/3] kselftest/arm64: Fix check for setting new VLs in sve-ptrace

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Message-Id: <20250523-kselftest-arm64-ssve-fixups-v1-1-65069a263b21@kernel.org>
Date: Fri, 23 May 2025 16:27:12 +0100
From: Mark Brown <broonie@...nel.org>
To: Catalin Marinas <catalin.marinas@....com>, 
 Will Deacon <will@...nel.org>, Shuah Khan <shuah@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>, 
 Shuah Khan <skhan@...uxfoundation.org>, 
 linux-arm-kernel@...ts.infradead.org, linux-kselftest@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Mark Brown <broonie@...nel.org>
Subject: [PATCH 1/3] kselftest/arm64: Fix check for setting new VLs in
 sve-ptrace

The check that the new vector length we set was the expected one was typoed
to an assignment statement which for some reason the compilers didn't spot,
most likely due to the macros involved.

Fixes: 0dca276ac4d2 ("selftests: arm64: Add test for the SVE ptrace interface")
Signed-off-by: Mark Brown <broonie@...nel.org>
---
 tools/testing/selftests/arm64/fp/sve-ptrace.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/arm64/fp/sve-ptrace.c b/tools/testing/selftests/arm64/fp/sve-ptrace.c
index 577b6e05e860..c499d5789dd5 100644
--- a/tools/testing/selftests/arm64/fp/sve-ptrace.c
+++ b/tools/testing/selftests/arm64/fp/sve-ptrace.c
@@ -253,7 +253,7 @@ static void ptrace_set_get_vl(pid_t child, const struct vec_type *type,
 		return;
 	}
 
-	ksft_test_result(new_sve->vl = prctl_vl, "Set %s VL %u\n",
+	ksft_test_result(new_sve->vl == prctl_vl, "Set %s VL %u\n",
 			 type->name, vl);
 
 	free(new_sve);

-- 
2.39.5