On Fri, Nov 06, 2015 at 03:04:10AM +0100, Rafael J. Wysocki wrote: > On Thursday, November 05, 2015 04:09:57 PM Greg Kroah-Hartman wrote: > > On Thu, Nov 05, 2015 at 11:38:23PM +0100, Rafael J. Wysocki wrote: > > > On Monday, November 02, 2015 02:25:00 AM Rafael J. Wysocki wrote: > > > > On Monday, October 19, 2015 11:54:24 PM Grygorii Strashko wrote: > > > > > It is unsafe [1] if probing of devices will happen during suspend or > > > > > hibernation and system behavior will be unpredictable in this case > > > > > (for example: after successful probe the device potentially has a > > > > > different > > > > > set of PM callbacks than before [2]). > > > > > So, let's prohibit device's probing in dpm_prepare() and defer their > > > > > probes instead. The normal behavior will be restored in > > > > > dpm_complete(). > > > > > > > > > > This patch introduces new DD core APIs: > > > > > device_defer_all_probes_enable() > > > > > It will disable probing of devices and defer their probes. > > > > > device_defer_all_probes_disable() > > > > > It will restore normal behavior and trigger re-probing of deferred > > > > > devices. > > > > > > > > > > [1] https://lkml.org/lkml/2015/9/11/554 > > > > > [2] https://lkml.org/lkml/2015/9/15/1039 > > > > > Cc: Alan Stern <st...@rowland.harvard.edu> > > > > > Cc: Rafael J. Wysocki <r...@rjwysocki.net> > > > > > Cc: Thierry Reding <thierry.red...@gmail.com> > > > > > Signed-off-by: Grygorii Strashko <grygorii.stras...@ti.com> > > > > > > > > Greg, any objections against this one? > > > > > > Greg, if this isn't problematic, I'd still like to take it for v4.4. > > > > What? The merge window for new stuff closed a few weeks ago, how can > > you add this for 4.4 when it needs to be in linux-next for a while > > first? > > Well, it's not really scary and it was posted way before the merge window, > but no one has had the time to look at it since then, apparently. > > Of course, I can queue it up for the next release too.
That would be best, thanks. greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
