summaryrefslogtreecommitdiff
path: root/arch/tile/kernel/process.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/tile/kernel/process.c')
-rw-r--r--arch/tile/kernel/process.c16
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));
}
/*