These tests are out-of-line only, so moving them to the their own file allows them to be run when an arch does not implement inline static calls.
Signed-off-by: Benjamin Gray <bg...@linux.ibm.com> --- kernel/Makefile | 1 + kernel/static_call_inline.c | 43 ----------------------------------- kernel/static_call_selftest.c | 41 +++++++++++++++++++++++++++++++++ 3 files changed, 42 insertions(+), 43 deletions(-) create mode 100644 kernel/static_call_selftest.c diff --git a/kernel/Makefile b/kernel/Makefile index 318789c728d3..8ce8beaa3cc0 100644 --- a/kernel/Makefile +++ b/kernel/Makefile @@ -113,6 +113,7 @@ obj-$(CONFIG_KCSAN) += kcsan/ obj-$(CONFIG_SHADOW_CALL_STACK) += scs.o obj-$(CONFIG_HAVE_STATIC_CALL) += static_call.o obj-$(CONFIG_HAVE_STATIC_CALL_INLINE) += static_call_inline.o +obj-$(CONFIG_STATIC_CALL_SELFTEST) += static_call_selftest.o obj-$(CONFIG_CFI_CLANG) += cfi.o obj-$(CONFIG_PERF_EVENTS) += events/ diff --git a/kernel/static_call_inline.c b/kernel/static_call_inline.c index dc5665b62814..64d04d054698 100644 --- a/kernel/static_call_inline.c +++ b/kernel/static_call_inline.c @@ -498,46 +498,3 @@ int __init static_call_init(void) return 0; } early_initcall(static_call_init); - -#ifdef CONFIG_STATIC_CALL_SELFTEST - -static int func_a(int x) -{ - return x+1; -} - -static int func_b(int x) -{ - return x+2; -} - -DEFINE_STATIC_CALL(sc_selftest, func_a); - -static struct static_call_data { - int (*func)(int); - int val; - int expect; -} static_call_data [] __initdata = { - { NULL, 2, 3 }, - { func_b, 2, 4 }, - { func_a, 2, 3 } -}; - -static int __init test_static_call_init(void) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(static_call_data); i++ ) { - struct static_call_data *scd = &static_call_data[i]; - - if (scd->func) - static_call_update(sc_selftest, scd->func); - - WARN_ON(static_call(sc_selftest)(scd->val) != scd->expect); - } - - return 0; -} -early_initcall(test_static_call_init); - -#endif /* CONFIG_STATIC_CALL_SELFTEST */ diff --git a/kernel/static_call_selftest.c b/kernel/static_call_selftest.c new file mode 100644 index 000000000000..246ad89f64eb --- /dev/null +++ b/kernel/static_call_selftest.c @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/static_call.h> + +static int func_a(int x) +{ + return x+1; +} + +static int func_b(int x) +{ + return x+2; +} + +DEFINE_STATIC_CALL(sc_selftest, func_a); + +static struct static_call_data { + int (*func)(int); + int val; + int expect; +} static_call_data [] __initdata = { + { NULL, 2, 3 }, + { func_b, 2, 4 }, + { func_a, 2, 3 } +}; + +static int __init test_static_call_init(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(static_call_data); i++ ) { + struct static_call_data *scd = &static_call_data[i]; + + if (scd->func) + static_call_update(sc_selftest, scd->func); + + WARN_ON(static_call(sc_selftest)(scd->val) != scd->expect); + } + + return 0; +} +early_initcall(test_static_call_init); -- 2.37.3