aboutsummaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorGuo Ren <ren_guo@c-sky.com>2018-12-09 13:18:15 +0800
committerGuo Ren <ren_guo@c-sky.com>2018-12-31 22:57:27 +0800
commit31295a72b525721d10737260aea6918fb34607be (patch)
treee5159020076379f787ba2f8ced1414927a312d64 /arch
parent35ff802af1c49dab21af8ef47b492ff952831d72 (diff)
downloadlinux-31295a72b525721d10737260aea6918fb34607be.tar.gz
csky: remove syscall_exit_work
Remove syscall_exit_work and union all to ret_from_exception. Signed-off-by: Guo Ren <ren_guo@c-sky.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/csky/kernel/entry.S16
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/csky/kernel/entry.S b/arch/csky/kernel/entry.S
index 79f92b8606c8..2b4a8515f7e5 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