]> www.infradead.org Git - users/jedix/linux-maple.git/commit
pmem: add proper fencing to pmem_rw_page()
authorRoss Zwisler <ross.zwisler@linux.intel.com>
Wed, 16 Sep 2015 20:52:21 +0000 (14:52 -0600)
committerDan Duval <dan.duval@oracle.com>
Wed, 7 Dec 2016 17:19:55 +0000 (12:19 -0500)
commite5b365f9660124bc355b197180b85a5440595d26
treed2bdfe76d2000db32cf2684586407bcc28698c66
parent11d942573580b122d6d735f21d92d49f7d06c2f8
pmem: add proper fencing to pmem_rw_page()

Orabug: 22913653

pmem_rw_page() needs to call wmb_pmem() on writes to make sure that the
newly written data is durable.  This flow was added to pmem_rw_bytes()
and pmem_make_request() with this commit:

commit 61031952f4c8 ("arch, x86: pmem api for ensuring durability of
persistent memory updates")

...the pmem_rw_page() path was missed.

Cc: <stable@vger.kernel.org>
Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
(cherry picked from commit ba8fe0f85e15d047686caf8a42463b592c63c98c)
Signed-off-by: Dan Duval <dan.duval@oracle.com>
drivers/nvdimm/pmem.c