diff options
Diffstat (limited to 'arch/tile/kernel/process.c')
-rw-r--r-- | arch/tile/kernel/process.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c index 1087375cd57c..7d5769310bef 100644 --- a/arch/tile/kernel/process.c +++ b/arch/tile/kernel/process.c @@ -446,26 +446,18 @@ struct task_struct *__sched _switch_to(struct task_struct *prev, hardwall_switch_tasks(prev, next); #endif - /* - * Switch kernel SP, PC, and callee-saved registers. - * Pass the value to use for SYSTEM_SAVE_K_0 when we reset our sp. - * Once we return from this function we will have changed stacks - * and be running with current == next. - */ - __switch_to(prev, next, next_current_ksp0(next)); - - /* Notify the simulator of task switch and task exit. */ + /* Notify the simulator of task exit. */ if (unlikely(prev->state == TASK_DEAD)) __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_EXIT | (prev->pid << _SIM_CONTROL_OPERATOR_BITS)); - __insn_mtspr(SPR_SIM_CONTROL, SIM_CONTROL_OS_SWITCH | - (next->pid << _SIM_CONTROL_OPERATOR_BITS)); /* + * Switch kernel SP, PC, and callee-saved registers. * In the context of the new task, return the old task pointer * (i.e. the task that actually called __switch_to). + * Pass the value to use for SYSTEM_SAVE_K_0 when we reset our sp. */ - return prev; + return __switch_to(prev, next, next_current_ksp0(next)); } /* |