On Mon 2019-07-29 21:23:19, Greg Kroah-Hartman wrote: > From: Dan Williams <[email protected]> > > 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?
Best regards,
Pavel
(Plus its quite complex).
> drivers/nvdimm/bus.c | 94
> ++++++++++++++++++++++++++++-------------------
> drivers/nvdimm/nd-core.h | 3 +
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