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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/
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@ -395,6 +395,10 @@ static inline __noreturn __printf(1, 2) int ksft_exit_skip(const char *msg, ...)
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static inline int ksft_min_kernel_version(unsigned int min_major,
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unsigned int min_minor)
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{
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#ifdef NOLIBC
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ksft_print_msg("NOLIBC: Can't check kernel version: Function not implemented\n");
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return 0;
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#else
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unsigned int major, minor;
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struct utsname info;
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@ -402,6 +406,7 @@ static inline int ksft_min_kernel_version(unsigned int min_major,
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ksft_exit_fail_msg("Can't parse kernel version\n");
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return major > min_major || (major == min_major && minor >= min_minor);
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#endif
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}
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#endif /* __KSELFTEST_H */
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