On Friday, 12 October 2007 05:19, Huang, Ying wrote: > On Thu, 2007-10-11 at 12:17 +0200, Rafael J. Wysocki wrote: > > On Thursday, 11 October 2007 04:13, Huang, Ying wrote: > > > Kexec base hibernation has some potential advantages over uswsusp and > > > TuxOnIce (suspend2). Some most obvious advantages are: > > > > Well, I have some doubts as far as the obviousness is concerned. > > OK, I will remove the "obvious". > > > > 1. The hibernation image size can exceed half of memory size easily. > > > > This is also possible with TuxOnIce. > > I will add detail description about this. It is possible with TuxOnIce, > and hard with u/swsusp. Actually, possible with TuxOnIce, impossible with u/swsusp, at present. > > > 2. The hibernation image can be written to and read from almost > > > anywhere, such as USB disk, NFS. > > > > This is possible with uswsusp, at least in theory, probably with TuxOnIce too. > > I will remove this. OK, thanks. > > > 3. It is possible to eliminate freezer from kexec based hibernation > > > implementation. > > > > This isn't true as long as we have not changed the handling of devices > > (which is in the works, but will take time). > > I know it has not been implemented yet. I just say that it is possible > for khibernation and it is almost impossible for u/swsusp and TuxOnIce. When that's implemented, it may be possible to avoid using the freezer for u/swsusp and TuxOnIce either. Time will tell. Greetings, Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm