From: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Subject: 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@xxxxxxxxxxxxxx Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- lib/Kconfig.debug | 5 +++-- lib/atomic64_test.c | 10 ++++++++-- 2 files changed, 11 insertions(+), 4 deletions(-) diff -puN lib/Kconfig.debug~lib-add-module-support-to-atomic64-tests lib/Kconfig.debug --- a/lib/Kconfig.debug~lib-add-module-support-to-atomic64-tests +++ a/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 -puN lib/atomic64_test.c~lib-add-module-support-to-atomic64-tests lib/atomic64_test.c --- a/lib/atomic64_test.c~lib-add-module-support-to-atomic64-tests +++ a/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"); _ -- To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
