diff options
Diffstat (limited to 'arch/mips/kernel')
| -rw-r--r-- | arch/mips/kernel/entry.S | 14 | ||||
| -rw-r--r-- | arch/mips/kernel/genex.S | 8 | ||||
| -rw-r--r-- | arch/mips/kernel/smtc-asm.S | 9 |
3 files changed, 15 insertions, 16 deletions
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S index e93e43e1f42..417c08ac76e 100644 --- a/arch/mips/kernel/entry.S +++ b/arch/mips/kernel/entry.S @@ -20,10 +20,7 @@ #include <asm/mipsmtregs.h> #endif -#ifdef CONFIG_PREEMPT - .macro preempt_stop - .endm -#else +#ifndef CONFIG_PREEMPT .macro preempt_stop local_irq_disable .endm @@ -32,9 +29,16 @@ .text .align 5 +FEXPORT(ret_from_irq) + LONG_S s0, TI_REGS($28) +#ifdef CONFIG_PREEMPT +FEXPORT(ret_from_exception) +#else + b _ret_from_irq FEXPORT(ret_from_exception) preempt_stop -FEXPORT(ret_from_irq) +#endif +FEXPORT(_ret_from_irq) LONG_L t0, PT_STATUS(sp) # returning to kernel mode? andi t0, t0, KU_USER beqz t0, resume_kernel diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 50ed7729772..5baca16993d 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -133,9 +133,8 @@ NESTED(handle_int, PT_SIZE, sp) LONG_L s0, TI_REGS($28) LONG_S sp, TI_REGS($28) - jal plat_irq_dispatch - LONG_S s0, TI_REGS($28) - j ret_from_irq + PTR_LA ra, ret_from_irq + j plat_irq_dispatch END(handle_int) __INIT @@ -224,9 +223,8 @@ NESTED(except_vec_vi_handler, 0, sp) LONG_L s0, TI_REGS($28) LONG_S sp, TI_REGS($28) - jalr v0 - LONG_S s0, TI_REGS($28) PTR_LA ra, ret_from_irq + jr v0 END(except_vec_vi_handler) /* diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S index 76cb31d5748..1cb9441f147 100644 --- a/arch/mips/kernel/smtc-asm.S +++ b/arch/mips/kernel/smtc-asm.S @@ -97,15 +97,12 @@ FEXPORT(__smtc_ipi_vector) SAVE_ALL CLI TRACE_IRQS_OFF - move a0,sp /* Function to be invoked passed stack pad slot 5 */ lw t0,PT_PADSLOT5(sp) /* Argument from sender passed in stack pad slot 4 */ - lw a1,PT_PADSLOT4(sp) - jalr t0 - nop - j ret_from_irq - nop + lw a0,PT_PADSLOT4(sp) + PTR_LA ra, _ret_from_irq + jr t0 /* * Called from idle loop to provoke processing of queued IPIs |