Re: [tip:sched/urgent] sched: Hide runqueues from direct refer atsource code level

From: Ingo Molnar
Date: Wed Jun 17 2009 - 12:31:48 EST



* tip-bot for Hitoshi Mitake <mitake@xxxxxxxxxxxxxxxxxxxxx> wrote:

> --- a/kernel/sched.c
> +++ b/kernel/sched.c
> @@ -6630,7 +6630,7 @@ EXPORT_SYMBOL(yield);
> */
> void __sched io_schedule(void)
> {
> - struct rq *rq = &__raw_get_cpu_var(runqueues);
> + struct rq *rq = this_rq();
>
> delayacct_blkio_start();
> atomic_inc(&rq->nr_iowait);
> @@ -6642,7 +6642,7 @@ EXPORT_SYMBOL(io_schedule);
>
> long __sched io_schedule_timeout(long timeout)
> {
> - struct rq *rq = &__raw_get_cpu_var(runqueues);
> + struct rq *rq = this_rq();
> long ret;

I removed these two changes. Did you notice the __raw prefix?

Ingo
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