The following commit has been merged into the timers/vdso branch of tip: Commit-ID: 032e871686483ec1bac27ce73e7094692fc76268 Gitweb: https://git.kernel.org/tip/032e871686483ec1bac27ce73e7094692fc76268 Author: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> AuthorDate: Wed, 26 Feb 2025 12:44:52 +01:00 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitterDate: Mon, 03 Mar 2025 20:00:13 +01:00 selftests: vDSO: parse_vdso: Test __SIZEOF_LONG__ instead of ULONG_MAX According to limits.h(2) ULONG_MAX is only guaranteed to expand to an expression, not a symbolic constant which can be evaluated by the preprocessor. Specifically the definition of ULONG_MAX from nolibc can not be evaluated by the preprocessor. To provide compatibility with nolibc, check with __SIZEOF_LONG__ instead, with is provided directly by the preprocessor and therefore always a symbolic constant. Signed-off-by: Thomas Weißschuh <thomas.weissschuh@xxxxxxxxxxxxx> Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Reviewed-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx> Acked-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> Link: https://lore.kernel.org/all/20250226-parse_vdso-nolibc-v2-13-28e14e031ed8@xxxxxxxxxxxxx --- tools/testing/selftests/vDSO/parse_vdso.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c index 200c534..902b8f9 100644 --- a/tools/testing/selftests/vDSO/parse_vdso.c +++ b/tools/testing/selftests/vDSO/parse_vdso.c @@ -26,7 +26,7 @@ /* And here's the code. */ #ifndef ELF_BITS -# if ULONG_MAX > 0xffffffffUL +# if __SIZEOF_LONG__ >= 8 # define ELF_BITS 64 # else # define ELF_BITS 32
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