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Subject[PATCH 04/14] csky: remove syscall_exit_work
Date
From: Guo Ren <ren_guo@c-sky.com>

Remove syscall_exit_work and union all to ret_from_exception.

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
---
arch/csky/kernel/entry.S | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 79f92b8..2b4a851 100644
--- a/arch/csky/kernel/entry.S
+++ b/arch/csky/kernel/entry.S
@@ -183,18 +183,10 @@ ENTRY(csky_systemcall)
#endif
stw a0, (sp, LSAVE_A0) /* Save return value */

- movi a0, 1 /* leave system call */
- mov a1, sp /* sp = pt_regs pointer */
- jbsr syscall_trace
-
-syscall_exit_work:
- ld syscallid, (sp, LSAVE_PSR)
- btsti syscallid, 31
- bt 2f
-
- jmpi resume_userspace
-
-2: RESTORE_ALL
+ movi a0, 1 /* leave system call */
+ mov a1, sp /* right now, sp --> pt_regs */
+ jbsr syscall_trace
+ br ret_from_exception

ENTRY(ret_from_kernel_thread)
jbsr schedule_tail
--
2.7.4
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