On Wed, 2011-02-23 at 10:58 +0000, Jan Beulich wrote: > >>> On 23.02.11 at 10:08, Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx> wrote: > > On Wed, 2011-02-23 at 07:27 +0000, Shriram Rajagopalan wrote: > >> Make XEN_SAVE_RESTORE user visible and enable HIBERNATION and SWAP, > >> if this option is enabled. > > > > I was under the (perhaps mistaken?) impression that selecting user > > visible Kconfig symbols was verboten since it has side-effects which > > make it hard for users to figure out why something cannot be switched > > off and/or how to turn things on etc. > > > > In any case I think I preferred the "depends HIBERNATION" idea -- I > > thought that was the consensus of the thread too? > > Why HIBERNATION (and SWAP) instead of SUSPEND? Xen doesn't > support the former (other than the latter)... HIBERNATION provides the FREEZE, THAW and RESUME methods which we would like to use to integrate save/restore/checkpoint with the PM core i.e. choose THAW vs. RESUME based on whether the suspend was cancelled (aka a checkpoint) or not. See Shriram's other recent patch for details. Ian. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
