Re: Calling suspend() in halt/restart/shutdown -> not a good idea

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

 



Hi!

> >> Why are we calling driver suspend routines in these ? This is _not_
> >
> > Well, reason is that if you remove device_suspend() you'll get
> > emergency hard disk park during powerdown. As harddrives can survive
> > only limited number of emergency stops, that is not a good idea.
> 
> Then the practical question is: do we suspend the disk by
> calling device_suspend() for every device.  Or do we modify
> the ->shutdown() method for the disk.

The additional data in pm_message_t are usefull, and sharing code
between suspend-to-ram and suspend-to-disk is usefull => option #1...

								Pavel
-- 
Boycott Kodak -- for their patent abuse against Java.
-
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/

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