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| author |   Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2022-11-25 10:42:16 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2023-02-06 15:48:54 +0100 |
| commit | 5646bbd6684acf5c9b9dedb863b7d2f6f5a330fb (patch) | |
| tree | 1117edfda7376bd15017bcdb1b6d260996c3caa1 /tools/testing/selftests/x86 | |
| parent | x86/vdso: Provide getcpu for x86-32. (diff) | |
| download | wireguard-linux-5646bbd6684acf5c9b9dedb863b7d2f6f5a330fb.tar.xz wireguard-linux-5646bbd6684acf5c9b9dedb863b7d2f6f5a330fb.zip | |
selftests: Emit a warning if getcpu() is missing on 32bit
The VDSO implementation for getcpu() has been wired up on 32bit so warn if
missing.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Link: https://lore.kernel.org/r/20221125094216.3663444-4-bigeasy@linutronix.de
Diffstat (limited to 'tools/testing/selftests/x86')
| -rw-r--r-- | tools/testing/selftests/x86/test_vsyscall.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index 5b45e6986aea..47cab972807c 100644 --- a/tools/testing/selftests/x86/test_vsyscall.c +++ b/tools/testing/selftests/x86/test_vsyscall.c @@ -92,11 +92,8 @@ static void init_vdso(void) printf("[WARN]\tfailed to find time in vDSO\n"); vdso_getcpu = (getcpu_t)dlsym(vdso, "__vdso_getcpu"); - if (!vdso_getcpu) { - /* getcpu() was never wired up in the 32-bit vDSO. */ - printf("[%s]\tfailed to find getcpu in vDSO\n", - sizeof(long) == 8 ? "WARN" : "NOTE"); - } + if (!vdso_getcpu) + printf("[WARN]\tfailed to find getcpu in vDSO\n"); } static int init_vsys(void) |