MIPS: Merge the identical "return from syscall" per-ABI code
No need to keep 4 copies of that stuff; merged and taken to
entry.S, unused public symbols there killed off.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 4b0937f..a6c1332 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -77,7 +77,7 @@
and t0, a2, t0
bnez t0, syscall_exit_work
-FEXPORT(restore_all) # restore full frame
+restore_all: # restore full frame
#ifdef CONFIG_MIPS_MT_SMTC
#ifdef CONFIG_MIPS_MT_SMTC_IM_BACKSTOP
/* Re-arm any temporarily masked interrupts not explicitly "acked" */
@@ -117,7 +117,7 @@
RESTORE_TEMP
RESTORE_AT
RESTORE_STATIC
-FEXPORT(restore_partial) # restore partial frame
+restore_partial: # restore partial frame
#ifdef CONFIG_TRACE_IRQFLAGS
SAVE_STATIC
SAVE_AT
@@ -164,7 +164,13 @@
jal do_notify_resume # a2 already loaded
j resume_userspace
-FEXPORT(syscall_exit_work_partial)
+FEXPORT(syscall_exit_partial)
+ local_irq_disable # make sure need_resched doesn't
+ # change between and return
+ LONG_L a2, TI_FLAGS($28) # current->work
+ li t0, _TIF_ALLWORK_MASK
+ and t0, a2
+ beqz t0, restore_partial
SAVE_STATIC
syscall_exit_work:
LONG_L t0, PT_STATUS(sp) # returning to kernel mode?
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index a632bc1..dfd47dc 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -69,18 +69,7 @@
1: sw v0, PT_R2(sp) # result
o32_syscall_exit:
- local_irq_disable # make sure need_resched and
- # signals dont change between
- # sampling and return
- lw a2, TI_FLAGS($28) # current->work
- li t0, _TIF_ALLWORK_MASK
- and t0, a2
- bnez t0, o32_syscall_exit_work
-
- j restore_partial
-
-o32_syscall_exit_work:
- j syscall_exit_work_partial
+ j syscall_exit_partial
/* ------------------------------------------------------------------------ */
diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S
index 3b5a5e9..b83dc8b 100644
--- a/arch/mips/kernel/scall64-64.S
+++ b/arch/mips/kernel/scall64-64.S
@@ -72,18 +72,7 @@
1: sd v0, PT_R2(sp) # result
n64_syscall_exit:
- local_irq_disable # make sure need_resched and
- # signals dont change between
- # sampling and return
- LONG_L a2, TI_FLAGS($28) # current->work
- li t0, _TIF_ALLWORK_MASK
- and t0, a2, t0
- bnez t0, n64_syscall_exit_work
-
- j restore_partial
-
-n64_syscall_exit_work:
- j syscall_exit_work_partial
+ j syscall_exit_partial
/* ------------------------------------------------------------------------ */
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 6be6f70..0cff8a3 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -70,18 +70,7 @@
sd t1, PT_R0(sp) # save it for syscall restarting
1: sd v0, PT_R2(sp) # result
- local_irq_disable # make sure need_resched and
- # signals dont change between
- # sampling and return
- LONG_L a2, TI_FLAGS($28) # current->work
- li t0, _TIF_ALLWORK_MASK
- and t0, a2, t0
- bnez t0, n32_syscall_exit_work
-
- j restore_partial
-
-n32_syscall_exit_work:
- j syscall_exit_work_partial
+ j syscall_exit_partial
/* ------------------------------------------------------------------------ */
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 5422855..9b040e4 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -99,18 +99,7 @@
1: sd v0, PT_R2(sp) # result
o32_syscall_exit:
- local_irq_disable # make need_resched and
- # signals dont change between
- # sampling and return
- LONG_L a2, TI_FLAGS($28)
- li t0, _TIF_ALLWORK_MASK
- and t0, a2, t0
- bnez t0, o32_syscall_exit_work
-
- j restore_partial
-
-o32_syscall_exit_work:
- j syscall_exit_work_partial
+ j syscall_exit_partial
/* ------------------------------------------------------------------------ */