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| author | Geert Uytterhoeven <geert@linux-m68k.org> | 2017-02-24 15:00:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-02-24 17:46:57 -0800 |
| commit | 55ded9551f9a64f2872df77a954d4c30f8958e82 (patch) | |
| tree | 89d6c2ee51563b93a3d54bf50413c5ba89dd1db9 /lib | |
| parent | ba95b045e94fe15cace3a7d3a20fbedb2c6a817e (diff) | |
| download | linux-stable-55ded9551f9a64f2872df77a954d4c30f8958e82.tar.gz linux-stable-55ded9551f9a64f2872df77a954d4c30f8958e82.tar.bz2 linux-stable-55ded9551f9a64f2872df77a954d4c30f8958e82.zip | |
lib: add module support to atomic64 tests
Allow to compile the atomic64 test code either to a loadable module, or
builtin into the kernel.
Link: http://lkml.kernel.org/r/1483470276-10517-3-git-send-email-geert@linux-m68k.org
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 5 | ||||
| -rw-r--r-- | lib/atomic64_test.c | 10 |
2 files changed, 11 insertions, 4 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 66fb4389f05c..213decb76922 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1790,9 +1790,10 @@ config PERCPU_TEST If unsure, say N. config ATOMIC64_SELFTEST - bool "Perform an atomic64_t self-test at boot" + tristate "Perform an atomic64_t self-test" help - Enable this option to test the atomic64_t functions at boot. + Enable this option to test the atomic64_t functions at boot or + at module load time. If unsure, say N. diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c index 46042901130f..fd70c0e0e673 100644 --- a/lib/atomic64_test.c +++ b/lib/atomic64_test.c @@ -15,6 +15,7 @@ #include <linux/bug.h> #include <linux/kernel.h> #include <linux/atomic.h> +#include <linux/module.h> #ifdef CONFIG_X86 #include <asm/cpufeature.h> /* for boot_cpu_has below */ @@ -241,7 +242,7 @@ static __init void test_atomic64(void) BUG_ON(v.counter != r); } -static __init int test_atomics(void) +static __init int test_atomics_init(void) { test_atomic(); test_atomic64(); @@ -264,4 +265,9 @@ static __init int test_atomics(void) return 0; } -core_initcall(test_atomics); +static __exit void test_atomics_exit(void) {} + +module_init(test_atomics_init); +module_exit(test_atomics_exit); + +MODULE_LICENSE("GPL"); |