On 02/16, Jiri Slaby wrote:
>
> unify queue_delayed_work and queue_delayed_work_on fix
>
> Since cwq->wq is unset for other than singlethread_cpu when singlethread
> workqueue was created, an oops occurs during bootup.
And I thought I tested this...
> Fix it by setting
> correct private value for workqueue.
Thanks!!!
> Signed-off-by: Jiri Slaby <[email protected]>
>
> ---
> commit 7bc281be5811f9b1dd01c25eaf492f4765737fd0
> tree 7795008066bb89e7489384cde95e63260602d5af
> parent 61c2024a2dd044e32747542cfbf4b22251df3bc2
> author Jiri Slaby <[email protected]> Fri, 16 Feb 2007 00:49:15 +0100
> committer Jiri Slaby <[email protected]> Fri, 16 Feb 2007 00:49:15 +0100
>
> kernel/workqueue.c | 3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
> diff --git a/kernel/workqueue.c b/kernel/workqueue.c
> index f2089bf..af5e597 100644
> --- a/kernel/workqueue.c
> +++ b/kernel/workqueue.c
> @@ -210,7 +210,8 @@ int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
>
> /* This stores cwq for the moment, for the timer_fn */
> set_wq_data(work,
> - per_cpu_ptr(wq->cpu_wq, raw_smp_processor_id()));
> + per_cpu_ptr(wq->cpu_wq, wq->singlethread ?
> + singlethread_cpu : raw_smp_processor_id()));
> timer->expires = jiffies + delay;
> timer->data = (unsigned long)dwork;
> timer->function = delayed_work_timer_fn;
-
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