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-rw-r--r--arch/arm/kernel/entry-common.S12
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 978eac57e04a..9a48b7a577e7 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -91,6 +91,18 @@ ENTRY(ret_from_fork)
b ret_slow_syscall
ENDPROC(ret_from_fork)
+ENTRY(ret_from_kernel_thread)
+ UNWIND(.fnstart)
+ UNWIND(.cantunwind)
+ bl schedule_tail
+ mov r0, r4
+ adr lr, BSYM(1f) @ kernel threads should not exit
+ mov pc, r5
+1: bl do_exit
+ nop
+ UNWIND(.fnend)
+ENDPROC(ret_from_kernel_thread)
+
.equ NR_syscalls,0
#define CALL(x) .equ NR_syscalls,NR_syscalls+1
#include "calls.S"
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