lkml.org 
[lkml]   [2007]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation
Hi!

> >Maybe my usage of terminology has some problem. But,
> >the "device
> >hibernate" here means put device into quiescent state
> >and save the
> >device state, but do not put device into low power
> >state.
>
> is there really enough savings (in time or otherwise) to
> make it worth splitting this into two steps? for

Yep.

> but I suspect that the number of drivers where this is
> worth doing is relativly small, and it may be a better
> approach to start off with just putting everything into
> the low-power state until some drive shows up that makes
> it worth adding the intermediate state to the system

We have had this flamewar before, and linus decided 'snapshot' and
'suspend' are different operations - and he's right. Disk takes 10
seconds to suspend/resume (spindown).
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-07-12 16:19    [from the cache]
©2003-2011 Jasper Spaans