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authorDan Williams <dan.j.williams@intel.com>2016-04-15 05:40:47 +0300
committerRoss Zwisler <ross.zwisler@linux.intel.com>2016-04-15 23:59:41 +0300
commit0a370d261c805286cbdfa1f96661322a28cce860 (patch)
tree11035c733e2e9b0d6e33f181ae9b99aba22a3fac /net/sunrpc/svc.c
parentcba2e47abcbd80e3f46f460899290402f98090ec (diff)
downloadlinux-0a370d261c805286cbdfa1f96661322a28cce860.tar.xz
libnvdimm, pmem: clarify the write+clear_poison+write flow
The ACPI specification does not specify the state of data after a clear poison operation. Potential future libnvdimm bus implementations for other architectures also might not specify or disagree on the state of data after clear poison. Clarify why we write twice. Reported-by: Jeff Moyer <jmoyer@redhat.com> Reported-by: Vishal Verma <vishal.l.verma@intel.com> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Ross Zwisler <ross.zwisler@linux.intel.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Jeff Moyer <jmoyer@redhat.com> Reviewed-by: Vishal Verma <vishal.l.verma@intel.com>
Diffstat (limited to 'net/sunrpc/svc.c')
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