From 9e14f828ee4a7a4a98703e380d180717a579fb35 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 9 Sep 2012 21:31:07 -0400 Subject: arm: split ret_from_fork, simplify kernel_thread() [based on patch by rmk] Signed-off-by: Al Viro --- arch/arm/kernel/entry-common.S | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'arch/arm/kernel/entry-common.S') 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" -- cgit v1.2.3