1 files changed, 0 insertions, 138 deletions
diff --git a/lib/percpu_test.c b/lib/percpu_test.c
deleted file mode 100644
index 0b5d14d..0000000
--- a/lib/percpu_test.c
+++ /dev/null
@@ -1,138 +0,0 @@
-#include <linux/module.h>
-
-/* validate @native and @pcp counter values match @expected */
-#define CHECK(native, pcp, expected)                                    \
-	do {                                                            \
-		WARN((native) != (expected),                            \
-		     "raw %ld (0x%lx) != expected %lld (0x%llx)",	\
-		     (native), (native),				\
-		     (long long)(expected), (long long)(expected));	\
-		WARN(__this_cpu_read(pcp) != (expected),                \
-		     "pcp %ld (0x%lx) != expected %lld (0x%llx)",	\
-		     __this_cpu_read(pcp), __this_cpu_read(pcp),	\
-		     (long long)(expected), (long long)(expected));	\
-	} while (0)
-
-static DEFINE_PER_CPU(long, long_counter);
-static DEFINE_PER_CPU(unsigned long, ulong_counter);
-
-static int __init percpu_test_init(void)
-{
-	/*
-	 * volatile prevents compiler from optimizing it uses, otherwise the
-	 * +ul_one/-ul_one below would replace with inc/dec instructions.
-	 */
-	volatile unsigned int ui_one = 1;
-	long l = 0;
-	unsigned long ul = 0;
-
-	pr_info("percpu test start\n");
-
-	preempt_disable();
-
-	l += -1;
-	__this_cpu_add(long_counter, -1);
-	CHECK(l, long_counter, -1);
-
-	l += 1;
-	__this_cpu_add(long_counter, 1);
-	CHECK(l, long_counter, 0);
-
-	ul = 0;
-	__this_cpu_write(ulong_counter, 0);
-
-	ul += 1UL;
-	__this_cpu_add(ulong_counter, 1UL);
-	CHECK(ul, ulong_counter, 1);
-
-	ul += -1UL;
-	__this_cpu_add(ulong_counter, -1UL);
-	CHECK(ul, ulong_counter, 0);
-
-	ul += -(unsigned long)1;
-	__this_cpu_add(ulong_counter, -(unsigned long)1);
-	CHECK(ul, ulong_counter, -1);
-
-	ul = 0;
-	__this_cpu_write(ulong_counter, 0);
-
-	ul -= 1;
-	__this_cpu_dec(ulong_counter);
-	CHECK(ul, ulong_counter, -1);
-	CHECK(ul, ulong_counter, ULONG_MAX);
-
-	l += -ui_one;
-	__this_cpu_add(long_counter, -ui_one);
-	CHECK(l, long_counter, 0xffffffff);
-
-	l += ui_one;
-	__this_cpu_add(long_counter, ui_one);
-	CHECK(l, long_counter, (long)0x100000000LL);
-
-
-	l = 0;
-	__this_cpu_write(long_counter, 0);
-
-	l -= ui_one;
-	__this_cpu_sub(long_counter, ui_one);
-	CHECK(l, long_counter, -1);
-
-	l = 0;
-	__this_cpu_write(long_counter, 0);
-
-	l += ui_one;
-	__this_cpu_add(long_counter, ui_one);
-	CHECK(l, long_counter, 1);
-
-	l += -ui_one;
-	__this_cpu_add(long_counter, -ui_one);
-	CHECK(l, long_counter, (long)0x100000000LL);
-
-	l = 0;
-	__this_cpu_write(long_counter, 0);
-
-	l -= ui_one;
-	this_cpu_sub(long_counter, ui_one);
-	CHECK(l, long_counter, -1);
-	CHECK(l, long_counter, ULONG_MAX);
-
-	ul = 0;
-	__this_cpu_write(ulong_counter, 0);
-
-	ul += ui_one;
-	__this_cpu_add(ulong_counter, ui_one);
-	CHECK(ul, ulong_counter, 1);
-
-	ul = 0;
-	__this_cpu_write(ulong_counter, 0);
-
-	ul -= ui_one;
-	__this_cpu_sub(ulong_counter, ui_one);
-	CHECK(ul, ulong_counter, -1);
-	CHECK(ul, ulong_counter, ULONG_MAX);
-
-	ul = 3;
-	__this_cpu_write(ulong_counter, 3);
-
-	ul = this_cpu_sub_return(ulong_counter, ui_one);
-	CHECK(ul, ulong_counter, 2);
-
-	ul = __this_cpu_sub_return(ulong_counter, ui_one);
-	CHECK(ul, ulong_counter, 1);
-
-	preempt_enable();
-
-	pr_info("percpu test done\n");
-	return -EAGAIN;  /* Fail will directly unload the module */
-}
-
-static void __exit percpu_test_exit(void)
-{
-}
-
-module_init(percpu_test_init)
-module_exit(percpu_test_exit)
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Greg Thelen");
-MODULE_DESCRIPTION("percpu operations test");