On Mon, Apr 8, 2024 at 11:27 PM Adrian Hunter <adrian.hunter@xxxxxxxxx> wrote: > > U64_MAX is not in include/vdso/limits.h, although that isn't noticed on x86 > because x86 includes include/linux/limits.h indirectly. However powerpc > is more selective, resulting in the following build error: > > In file included from <command-line>: > lib/vdso/gettimeofday.c: In function 'vdso_calc_ns': > lib/vdso/gettimeofday.c:11:33: error: 'U64_MAX' undeclared > 11 | # define VDSO_DELTA_MASK(vd) U64_MAX > | ^~~~~~~ > > Use ULLONG_MAX instead which will work just as well and is in > include/vdso/limits.h. > > Reported-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> > Closes: https://lore.kernel.org/all/20240409124905.6816db37@xxxxxxxxxxxxxxxx/ > Fixes: c8e3a8b6f2e6 ("vdso: Consolidate vdso_calc_delta()") > Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx> Acked-by: John Stultz <jstultz@xxxxxxxxxx>