diff options
Diffstat (limited to 'arch/mips/kernel/entry.S')
| -rw-r--r-- | arch/mips/kernel/entry.S | 35 |
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 |