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| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-09 21:31:07 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-09-30 22:21:36 -0400 |
| commit | 9e14f828ee4a7a4a98703e380d180717a579fb35 (patch) | |
| tree | ce7554478f9abf5de5f47760ebff548485762142 /arch/arm/kernel/entry-common.S | |
| parent | 38b983b3461e7d3c64a981e2338bb34605c46f30 (diff) | |
arm: split ret_from_fork, simplify kernel_thread() [based on patch by rmk]
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/entry-common.S')
| -rw-r--r-- | arch/arm/kernel/entry-common.S | 12 |
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" |