--- xnu/xnu-12377.121.6/tests/locks.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#include <sys/sysctl.h>
-#include <darwintest.h>
-#include <darwintest_utils.h>
-#include <spawn.h>
-#include <pthread.h>
-
-T_GLOBAL_META(
-	T_META_NAMESPACE("xnu.sync"),
-	T_META_RUN_CONCURRENTLY(true),
-	T_META_CHECK_LEAKS(false),
-	T_META_RADAR_COMPONENT_NAME("xnu"),
-	T_META_RADAR_COMPONENT_VERSION("locks"));
-
-static int64_t
-run_sysctl_test(const char *t, int64_t value)
-{
-	char name[1024];
-	int64_t result = 0;
-	size_t s = sizeof(value);
-	int rc;
-
-	snprintf(name, sizeof(name), "debug.test.%s", t);
-	rc = sysctlbyname(name, &result, &s, &value, s);
-	T_ASSERT_POSIX_SUCCESS(rc, "sysctlbyname(%s)", t);
-	return result;
-}
-
-T_DECL(hw_lck_ticket_allow_invalid, "hw_lck_ticket_allow_invalid",
-    T_META_RUN_CONCURRENTLY(false), T_META_TAG_VM_NOT_ELIGIBLE)
-{
-	T_EXPECT_EQ(1ll, run_sysctl_test("hw_lck_ticket_allow_invalid", 0), "test succeeded");
-}
-
-T_DECL(smr_hash_basic, "smr_hash basic test", T_META_TAG_VM_PREFERRED)
-{
-	T_EXPECT_EQ(1ll, run_sysctl_test("smr_hash_basic", 0), "test succeeded");
-}
-
-T_DECL(smr_shash_basic, "smr_shash basic test", T_META_TAG_VM_PREFERRED)
-{
-	T_EXPECT_EQ(1ll, run_sysctl_test("smr_shash_basic", 0), "test succeeded");
-}
-
-static void
-clpc_set_core_count(int ncpus)
-{
-#if __arm64__
-	char arg[20];
-	char *const clpcctrl_args[] = {
-		"/usr/local/bin/clpcctrl",
-		"-c",
-		arg,
-		NULL,
-	};
-	pid_t pid;
-	int rc;
-
-	snprintf(arg, sizeof(arg), "%d", ncpus);
-	rc = posix_spawn(&pid, clpcctrl_args[0], NULL, NULL, clpcctrl_args, NULL);
-	T_QUIET; T_ASSERT_POSIX_SUCCESS(rc, "posix_spawn");
-	waitpid(pid, &rc, 0);
-#else
-	(void)ncpus;
-#endif
-}
-
-static void *
-toggle_cpus_thread(void *donep)
-{
-	int ncpus = dt_ncpu();
-
-	do {
-		usleep(200 * 1000);
-		clpc_set_core_count(ncpus - 1);
-		usleep(200 * 1000);
-		clpc_set_core_count(ncpus);
-	} while (!*(bool *)donep);
-
-	return NULL;
-}
-
-T_DECL(smr_sleepable_stress, "smr_sleepable_stress_test",
-    T_META_RUN_CONCURRENTLY(false), T_META_TAG_VM_NOT_ELIGIBLE)
-{
-	uint32_t secs = 4;
-	pthread_t pth;
-	bool done = false;
-	int rc;
-
-	rc = pthread_create(&pth, NULL, toggle_cpus_thread, &done);
-	T_ASSERT_POSIX_SUCCESS(rc, "pthread_create");
-
-	T_EXPECT_EQ(1ll, run_sysctl_test("smr_sleepable_stress", secs), "test succeeded");
-
-	done = true;
-	pthread_join(pth, NULL);
-}