lkml.org 
[lkml]   [2011]   [Mar]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [Xen-devel] [PATCH] PM / Hibernate: Introduce CONFIG_HIBERNATE_INTERFACE
Date
On Tuesday, March 29, 2011, Rafael J. Wysocki wrote:
> On Tuesday, March 29, 2011, Ian Campbell wrote:
> > Hi Rafael,
> >
> > On Sat, 2011-03-26 at 11:29 +0000, Rafael J. Wysocki wrote:
> > > From: Rafael J. Wysocki <rjw@sisk.pl>
> > >
> > > Xen save/restore is going to use hibernate device callbacks for
> > > quiescing devices and putting them back to normal operations and it
> > > would need to select CONFIG_HIBERNATION for this purpose. However,
> > > that also would cause the hibernate interfaces for user space to be
> > > enabled, which might confuse user space, because the Xen kernels
> > > don't support hibernation. Moreover, it would be wasteful, as it
> > > would make the Xen kernels include a substantial amount of code that
> > > they would never use.
> > >
> > > To address this issue introduce new power management Kconfig option
> > > CONFIG_HIBERNATE_INTERFACE, such that the hibernate interfaces for
> > > user space and the image-handling code will depend on it and it will
> > > select CONFIG_HIBERNATION. Then, Xen save/restore will be able to
> > > select CONFIG_HIBERNATION without dragging the entire hibernate code
> > > along with it.
> > >
> > > Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
> >
> > Were you planning to put this forward for 2.6.39 or are you waiting for
> > 2.6.40?
>
> I'm goint to push it for 2.6.39. In fact, I'm going to send the pull request
> shortly.

Unfortunately Linus didn't like it, so I need to rework it to make him happy.

As a result the patch is not going to go into 2.6.39.

Thanks,
Rafael


\
 
 \ /
  Last update: 2011-03-30 23:41    [W:0.061 / U:0.132 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site