On Wed, Jul 31, 2019 at 11:15 AM Pavel Machek <pavel@xxxxxxx> wrote: > > On Mon 2019-07-29 21:23:19, Greg Kroah-Hartman wrote: > > From: Dan Williams <dan.j.williams@xxxxxxxxx> > > > > commit b70d31d054ee3a6fc1034b9d7fc0ae1e481aa018 upstream. > > > > In preparation for fixing a deadlock between wait_for_bus_probe_idle() > > and the nvdimm_bus_list_mutex arrange for __nd_ioctl() without > > nvdimm_bus_list_mutex held. This also unifies the 'dimm' and 'bus' level > > ioctls into a common nd_ioctl() preamble implementation. > > Ok, so this is a preparation patch, not a fix... > > > Marked for -stable as it is a pre-requisite for a follow-on fix. > > ...but follow-on fixes are going to be applied for 5.2 but not > 4.19. So perhaps this one should not be in 4.19, either? I plan to follow up with a backport of the series for 4.19. I have no problem with v4.19 carrying this in the meantime, but if you want to kick it out and wait for the backport, that's fine too.
