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vdso: Fix powerpc build U64_MAX undeclared error

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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.

Fixes: c8e3a8b6f2 ("vdso: Consolidate vdso_calc_delta()")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240409062639.3393-1-adrian.hunter@intel.com
Closes: https://lore.kernel.org/all/20240409124905.6816db37@canb.auug.org.au/
This commit is contained in:
Adrian Hunter 2024-04-09 09:26:39 +03:00 committed by Thomas Gleixner
parent 98fe0fcb32
commit 8ff1e6c5ac
1 changed files with 1 additions and 1 deletions
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2
lib/vdso/gettimeofday.c
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@ -8,7 +8,7 @@
#ifndef vdso_calc_ns
#ifdef VDSO_DELTA_NOMASK
# define VDSO_DELTA_MASK(vd) U64_MAX
# define VDSO_DELTA_MASK(vd) ULLONG_MAX
#else
# define VDSO_DELTA_MASK(vd) (vd->mask)
#endif