tree 6c59e4bb7a8a0f2208269643f5b7b8b056680aef
parent b5ebc8ec693281c3c1efff7459a069cbd8b9a149
author Dan Williams <dan.j.williams@intel.com> 1457450167 -0800
committer Dan Williams <dan.j.williams@intel.com> 1457565332 -0800

libnvdimm, pmem: clear poison on write

If a write is directed at a known bad block perform the following:

1/ write the data

2/ send a clear poison command

3/ invalidate the poison out of the cache hierarchy

Cc: <x86@kernel.org>
Cc: Ross Zwisler <ross.zwisler@linux.intel.com>
Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>