From: Guo Ren <ren_guo@xxxxxxxxx> Remove syscall_exit_work and union all to ret_from_exception. Signed-off-by: Guo Ren <ren_guo@xxxxxxxxx> --- 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