Linux: Suspend and Hibernation Status Report
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Rafael Wysocki posted a lengthy status report "describing the current state of development of the suspend and hibernation infrastructure: how it works, what known problems there are in it and what the future development plans are". Regarding future plans, Rafael noted, "the part of the suspend and hibernation code that should be taken care of first is the handling of devices. Namely, I think that we should first separate the hibernation-related handling of devices from the suspend-related handling of them in order to overcome limitations mentioned in Section IX. This also will be necessary if we want to try some new approaches to hibernation, such as the kexec-based one recently discussed on the LKML." He added, "the next thing that seems reasonable to do is to eliminate the freezing of tasks, described in Section VI, from the suspend and resume code, since the limitations related to it are regarded by many people as too restrictive."
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