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authorThiemo Seufer <ths@networkno.de>2004-12-10 12:56:33 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:16 +0100
commitc264852726dde251a0c09ec22f61a9be8b0db68b (patch)
tree78198bac69fc4c4e2feb7c2c782074c7f8c2f1fe /arch/mips/kernel/entry.S
parent69903d6500c73af8329a5fba7153b0d50748981c (diff)
Remove unused arguments from preempt_{start,stop}/local_irq_{en,dis}able.
Don't clobber the preloaded TI_FLAGS in a2 needlessly. Unexport local functions. Signed-off-by: Thiemo Seufer <ths@networkno.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/entry.S')
-rw-r--r--arch/mips/kernel/entry.S35
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index 5e9a4416868..be0354a14e2 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -19,11 +19,11 @@
#include <asm/war.h>
#ifdef CONFIG_PREEMPT
- .macro preempt_stop reg=t0
+ .macro preempt_stop
.endm
#else
- .macro preempt_stop reg=t0
- local_irq_disable \reg
+ .macro preempt_stop
+ local_irq_disable
.endm
#define resume_kernel restore_all
#endif
@@ -37,17 +37,17 @@ FEXPORT(ret_from_irq)
andi t0, t0, KU_USER
beqz t0, resume_kernel
-FEXPORT(resume_userspace)
- local_irq_disable t0 # make sure we dont miss an
+resume_userspace:
+ local_irq_disable # make sure we dont miss an
# interrupt setting need_resched
# between sampling and return
LONG_L a2, TI_FLAGS($28) # current->work
- andi a2, _TIF_WORK_MASK # (ignoring syscall_trace)
- bnez a2, work_pending
+ andi t0, a2, _TIF_WORK_MASK # (ignoring syscall_trace)
+ bnez t0, work_pending
j restore_all
#ifdef CONFIG_PREEMPT
-ENTRY(resume_kernel)
+resume_kernel:
lw t0, TI_PRE_COUNT($28)
bnez t0, restore_all
need_resched:
@@ -59,10 +59,10 @@ need_resched:
beqz t0, restore_all
li t0, PREEMPT_ACTIVE
sw t0, TI_PRE_COUNT($28)
- local_irq_enable t0
+ local_irq_enable
jal schedule
sw zero, TI_PRE_COUNT($28)
- local_irq_disable t0
+ local_irq_disable
b need_resched
#endif
@@ -88,13 +88,13 @@ FEXPORT(restore_partial) # restore partial frame
RESTORE_SP_AND_RET
.set at
-FEXPORT(work_pending)
- andi t0, a2, _TIF_NEED_RESCHED
+work_pending:
+ andi t0, a2, _TIF_NEED_RESCHED # a2 is preloaded with TI_FLAGS
beqz t0, work_notifysig
work_resched:
jal schedule
- local_irq_disable t0 # make sure need_resched and
+ local_irq_disable # make sure need_resched and
# signals dont change between
# sampling and return
LONG_L a2, TI_FLAGS($28)
@@ -113,11 +113,10 @@ work_notifysig: # deal with pending signals and
FEXPORT(syscall_exit_work_partial)
SAVE_STATIC
-FEXPORT(syscall_exit_work)
- LONG_L t0, TI_FLAGS($28)
- li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
- and t0, t1
- beqz t0, work_pending # trace bit is set
+syscall_exit_work:
+ li t0, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
+ and t0, a2 # a2 is preloaded with TI_FLAGS
+ beqz t0, work_pending # trace bit set?
local_irq_enable # could let do_syscall_trace()
# call schedule() instead
move a0, sp