Re: [update 2] Re: [RFC][PATCH] PM: Avoid losing wakeup events during suspend

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 24 Jun 2010 13:09:27 -0400 (EDT)
Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:

> > > This requires you to define an explicit PCI_WAKEUP_COOLDOWN delay.  I 
> > > think that's okay; I had to do something similar with USB and SCSI.  
> > > (And I still think it would be a good idea to prevent workqueue threads 
> > > from freezing until their queues are empty.)

I'm not that familiar with the freezer, but couldn't it be
deadlocky if the work depends on some already frozen part?

What about a new work-type that calls
pm_relax() after executing it's workfunction and executing
pm_stay_awake() on enqueue?


Cheers,
Flo
_______________________________________________
linux-pm mailing list
linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx
https://lists.linux-foundation.org/mailman/listinfo/linux-pm


[Index of Archives]     [Linux ACPI]     [Netdev]     [Ethernet Bridging]     [Linux Wireless]     [CPU Freq]     [Kernel Newbies]     [Fedora Kernel]     [Security]     [Linux for Hams]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux RAID]     [Linux Admin]     [Samba]

  Powered by Linux