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selftests: kselftest: Fix build failure with NOLIBC 

As Mark explains ksft_min_kernel_version() can't be compiled with nolibc,
it doesn't implement uname().

Fixes: 6d029c25b7 ("selftests/timers/posix_timers: Reimplement check_timer_distribution()")
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240412123536.GA32444@redhat.com
Closes: https://lore.kernel.org/all/f0523b3a-ea08-4615-b0fb-5b504a2d39df@sirena.org.uk/
This commit is contained in:
Oleg Nesterov 2024-04-12 14:35:36 +02:00 committed by Thomas Gleixner
parent ed366de8ec
commit 16767502aa
1 changed files with 5 additions and 0 deletions
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5
tools/testing/selftests/kselftest.h
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@ -395,6 +395,10 @@ static inline __noreturn __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
static inline int ksft_min_kernel_version(unsigned int min_major,
unsigned int min_minor)
{
#ifdef NOLIBC
ksft_print_msg("NOLIBC: Can't check kernel version: Function not implemented\n");
return 0;
#else
unsigned int major, minor;
struct utsname info;
@ -402,6 +406,7 @@ static inline int ksft_min_kernel_version(unsigned int min_major,
ksft_exit_fail_msg("Can't parse kernel version\n");
return major > min_major || (major == min_major && minor >= min_minor);
#endif
}
#endif /* __KSELFTEST_H */