Messages in this thread Patch in this message | | | Date | Mon, 06 Feb 2023 14:57:45 -0000 | From | "tip-bot2 for Sebastian Andrzej Siewior" <> | Subject | [tip: x86/vdso] selftests: Emit a warning if getcpu() is missing on 32bit |
| |
The following commit has been merged into the x86/vdso branch of tip:
Commit-ID: 5646bbd6684acf5c9b9dedb863b7d2f6f5a330fb Gitweb: https://git.kernel.org/tip/5646bbd6684acf5c9b9dedb863b7d2f6f5a330fb Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de> AuthorDate: Fri, 25 Nov 2022 10:42:16 +01:00 Committer: Thomas Gleixner <tglx@linutronix.de> CommitterDate: Mon, 06 Feb 2023 15:48:54 +01:00
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
--- tools/testing/selftests/x86/test_vsyscall.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/tools/testing/selftests/x86/test_vsyscall.c b/tools/testing/selftests/x86/test_vsyscall.c index 5b45e69..47cab97 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)
| |