Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist

On Tue, Jan 09, 2007 at 07:38:15PM +0300, Oleg Nesterov wrote:
> We can't do this. We should thaw cwq->thread (which was bound to the
> dead CPU) to complete CPU_DEAD event. So we still need some changes.

I noticed that, but I presumed kthread_stop() will post a wakeup which
will bring it out of frozen state. Looking at refrigerator(), I realize
that is not possible. 

So CPU_DEAD should do a thaw_process on the kthread before doing a
kthread_stop?

-- 
Regards,
vatsa
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• Follow-Ups:
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Oleg Nesterov <[email protected]>

• References:
  • Re: [PATCH] fix-flush_workqueue-vs-cpu_dead-race-update
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] fix-flush_workqueue-vs-cpu_dead-race-update
    • From: Srivatsa Vaddagiri <[email protected]>
  • Re: [PATCH] fix-flush_workqueue-vs-cpu_dead-race-update
    • From: Andrew Morton <[email protected]>
  • [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Oleg Nesterov <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Srivatsa Vaddagiri <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Andrew Morton <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Oleg Nesterov <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Srivatsa Vaddagiri <[email protected]>
  • Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
    • From: Oleg Nesterov <[email protected]>

• Prev by Date: Re: [PATCH 1/10] cxgb3 - main header files
• Next by Date: Re: [PATCH 01/24] Unionfs: Documentation
• Previous by thread: Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
• Next by thread: Re: [PATCH] flush_cpu_workqueue: don't flush an empty ->worklist
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]