On 7/24/20 7:01 PM, Stefano Stabellini wrote: > Yes, it does, thank you. I'd rather not introduce unknown regressions so > I would recommend to add an arch-specific check on registering > freeze/thaw/restore handlers. Maybe something like the following: > > #ifdef CONFIG_X86 > .freeze = blkfront_freeze, > .thaw = blkfront_restore, > .restore = blkfront_restore > #endif > > > maybe Boris has a better suggestion on how to do it An alternative might be to still install pm notifier in drivers/xen/manage.c (I think as result of latest discussions we decided we won't need it) and return -ENOTSUPP for ARM for PM_HIBERNATION_PREPARE and friends. Would that work? -boris
