On Mon Jun 23, 2025 at 1:53 PM CEST, Achill Gilgenast wrote: > On Sun Jun 22, 2025 at 8:36 PM CEST, Andrew Morton wrote: >> On Sun, 22 Jun 2025 03:45:49 +0200 Achill Gilgenast <fos...@pwned.life> >> wrote: >> >>> Some libc's like musl libc don't provide execinfo.h since it's not part >>> of POSIX. In order to fix compilation on musl, only include execinfo.h >>> if available (HAVE_BACKTRACE_SUPPORT) >>> >>> This was discovered with c104c16073b7 ("Kunit to check the longest symbol >>> length") >>> which starts to include linux/kallsyms.h with Alpine Linux' configs. >>> >>> ... >>> >>> --- a/tools/include/linux/kallsyms.h >>> +++ b/tools/include/linux/kallsyms.h >>> @@ -18,6 +18,7 @@ static inline const char *kallsyms_lookup(unsigned long >>> addr, >>> return NULL; >>> } >>> >>> +#ifdef HAVE_BACKTRACE_SUPPORT >>> #include <execinfo.h> >>> #include <stdlib.h> >>> static inline void print_ip_sym(const char *loglvl, unsigned long ip) >> >> I'm not seeing anything in there which needs execinfo.h. Can we simply >> remove the inclusion? > > No, since backtrace_symbols is provided by execinfo.h.
Is there some status on it? I saw you picked it in mm-hotfixes-unstable, but it got dropped out again. Is there something I can do to push it? Thanks!