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SubjectRe: [PATCH 1/3] SCHED: Generic hooks for trapping task preemption
Avi Kivity wrote:
> /**
> * prepare_task_switch - prepare to switch tasks
> * @rq: the runqueue preparing to switch
> @@ -1687,6 +1746,7 @@ void fastcall wake_up_new_task(struct task_struct *p, unsigned long clone_flags)
> */
> static inline void prepare_task_switch(struct rq *rq, struct task_struct *next)
> {
> + fire_sched_out_preempt_hooks(current);
>

This wants an extra arg, 'next', of course.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.

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