On Fri, Nov 24, 2023 at 03:21:40PM +0000, Mark Brown wrote: > On Fri, Nov 24, 2023 at 03:05:47PM +0000, Greg Kroah-Hartman wrote: > > > Anyway, this is ripe for problems and issues in the long-run, what is so > > special about this hardware that it can not just shutdown in the > > existing order that it has to be "first" over everyone else? What > > exactly does this prevent and what devices are requiring this? > > > And most importantly, what has changed in the past 20+ years to > > suddenly require this new functionality and how does any other operating > > system handle it? > > This came out of some discussions about trying to handle emergency power > failure notifications. I'm sorry, but I don't know what that means. Are you saying that the kernel is now going to try to provide a hard guarantee that some devices are going to be shut down in X number of seconds when asked? If so, why not do this in userspace? thanks, greg k-h
