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Message-ID: <6c5da802e72befecfa09046c489aa45d934d611f.1725020674.git.christophe.leroy@csgroup.eu>
Date: Fri, 30 Aug 2024 14:28:35 +0200
From: Christophe Leroy <christophe.leroy@...roup.eu>
To: Shuah Khan <shuah@...nel.org>,
Vincenzo Frascino <vincenzo.frascino@....com>,
Thomas Gleixner <tglx@...utronix.de>,
Andy Lutomirski <luto@....edu>,
"H. Peter Anvin" <hpa@...ux.intel.com>,
Mark Brown <broonie@...nel.org>,
"Jason A. Donenfeld" <Jason@...c4.com>
Cc: Christophe Leroy <christophe.leroy@...roup.eu>,
linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org,
linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 1/5] selftests: vdso: Fix vDSO name for powerpc
Following error occurs when running vdso_test_correctness on powerpc:
~ # ./vdso_test_correctness
[WARN] failed to find vDSO
[SKIP] No vDSO, so skipping clock_gettime() tests
[SKIP] No vDSO, so skipping clock_gettime64() tests
[RUN] Testing getcpu...
[OK] CPU 0: syscall: cpu 0, node 0
On powerpc, vDSO is neither called linux-vdso.so.1 nor linux-gate.so.1
but linux-vdso32.so.1 or linux-vdso64.so.1.
Also search those two names before giving up.
Fixes: c7e5789b24d3 ("kselftest: Move test_vdso to the vDSO test suite")
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
tools/testing/selftests/vDSO/vdso_test_correctness.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/vDSO/vdso_test_correctness.c b/tools/testing/selftests/vDSO/vdso_test_correctness.c
index e691a3cf1491..cdb697ae8343 100644
--- a/tools/testing/selftests/vDSO/vdso_test_correctness.c
+++ b/tools/testing/selftests/vDSO/vdso_test_correctness.c
@@ -114,6 +114,12 @@ static void fill_function_pointers()
if (!vdso)
vdso = dlopen("linux-gate.so.1",
RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
+ if (!vdso)
+ vdso = dlopen("linux-vdso32.so.1",
+ RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
+ if (!vdso)
+ vdso = dlopen("linux-vdso64.so.1",
+ RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);
if (!vdso) {
printf("[WARN]\tfailed to find vDSO\n");
return;
--
2.44.0
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