diff --git a/src/kernel/emulation/linux/CMakeLists.txt b/src/kernel/emulation/linux/CMakeLists.txt
index 188a28c4a..345c477b6 100644
--- a/src/kernel/emulation/linux/CMakeLists.txt
+++ b/src/kernel/emulation/linux/CMakeLists.txt
@@ -132,6 +132,7 @@ set(emulation_sources
 	ext/clock_nanosleep.c
 	ext/clock_gettime.c
 	wqueue/bsdthread_register.c
+	ext/sched_yield.c
 	syscalls-amd64.asm
 )
 
diff --git a/src/kernel/emulation/linux/ext/sched_yield.c b/src/kernel/emulation/linux/ext/sched_yield.c
new file mode 100644
index 000000000..481e21137
--- /dev/null
+++ b/src/kernel/emulation/linux/ext/sched_yield.c
@@ -0,0 +1,8 @@
+#include "../base.h"
+#include <asm/unistd.h>
+
+void __linux_sched_yield(void)
+{
+	LINUX_SYSCALL0(__NR_sched_yield);
+}
+
diff --git a/src/kernel/mach_server/client/mach_traps.c b/src/kernel/mach_server/client/mach_traps.c
index f6c96eb29..5797f655d 100644
--- a/src/kernel/mach_server/client/mach_traps.c
+++ b/src/kernel/mach_server/client/mach_traps.c
@@ -478,15 +478,16 @@ kern_return_t macx_backing_store_recovery(
 	return KERN_FAILURE;
 }
 
+extern void __linux_sched_yield();
 boolean_t swtch_pri(int pri)
 {
-	UNIMPLEMENTED_TRAP();
+	__linux_sched_yield();
 	return 0;
 }
 
 boolean_t swtch(void)
 {
-	UNIMPLEMENTED_TRAP();
+	__linux_sched_yield();
 	return 0;
 }