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| author | Dan Williams <[email protected]> | 2019-07-18 01:08:15 +0000 |
|---|---|---|
| committer | Dan Williams <[email protected]> | 2019-07-18 23:23:02 +0000 |
| commit | b70d31d054ee3a6fc1034b9d7fc0ae1e481aa018 (patch) | |
| tree | 91af39c84f543136ea4594ea8e9d331844dfe127 /tools/perf/scripts/python | |
| parent | libnvdimm/bus: Prepare the nd_ioctl() path to be re-entrant (diff) | |
| download | kernel-b70d31d054ee3a6fc1034b9d7fc0ae1e481aa018.tar.gz kernel-b70d31d054ee3a6fc1034b9d7fc0ae1e481aa018.zip | |
libnvdimm/bus: Stop holding nvdimm_bus_list_mutex over __nd_ioctl()
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.
Marked for -stable as it is a pre-requisite for a follow-on fix.
Cc: <[email protected]>
Fixes: bf9bccc14c05 ("libnvdimm: pmem label sets and namespace instantiation")
Cc: Vishal Verma <[email protected]>
Tested-by: Jane Chu <[email protected]>
Link: https://lore.kernel.org/r/156341209518.292348.7183897251740665198.stgit@dwillia2-desk3.amr.corp.intel.com
Signed-off-by: Dan Williams <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions