lkml.org 
[lkml]   [2007]   [Jul]   [13]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
From"Rafael J. Wysocki" <>
SubjectRe: [PATCH 0/2] Kexec jump: The first step to kexec base hibernation
DateFri, 13 Jul 2007 14:01:34 +0200
On Friday, 13 July 2007 19:32, Huang, Ying wrote:
> On Thu, 2007-07-12 at 20:06 -0700, david@lang.hm wrote:
> > >> I agree, a stipped down hibernate kernel can be very small, not allocating
> > >> this memory until it's needed is a step for the final polishing.
> > >
> > > I'm not sure if I agree with that.  In any case, having to use two different
> > > kernels for hibernation would be a big drawback.
> > 
> > I see it as a big advantage to not have to use the main kernel for the 
> > suspend. please keep it as an option at least.
> 
> Yes. It has additional bonus to make it possible to write/read image
> from a program other than main kernel. For example, for a specific
> mobile device product (Such as Intel MID), a customized ultra-small
> program (or kernel) can be composed to write/read image. That way, the
> hibernate/resume time can be reduced to minimal.

You don't need kexec for that.  This is how the userland hibernation (aka
uswsusp) works.

Greetings,
Rafael


-- 
"Premature optimization is the root of all evil." - Donald Knuth
-
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: 2007-07-13 13:56    [from the cache]
©2003-2008