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authorLinus Torvalds <torvalds@linux-foundation.org>2016-12-18 15:49:10 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2016-12-18 15:49:10 -0800
commit3be134e5152f08e8bd3c2afdaac723f64d93c2bb (patch)
treeba325ebb1a9f79a4a8451a8f5eaeed9cbd1c2e04 /kernel/tracepoint.c
parent8421c60446290c0fef1858a806261871a40ebf76 (diff)
parentc44ef859ceff45db1c72f9ccbfae96843c4b1501 (diff)
Merge tag 'libnvdimm-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
Pull libnvdimm updates from Dan Williams: "The libnvdimm pull request is relatively small this time around due to some development topics being deferred to 4.11. As for this pull request the bulk of it has been in -next for several releases leading to one late fix being added (commit 868f036fee4b ("libnvdimm: fix mishandled nvdimm_clear_poison() return value")). It has received a build success notification from the 0day-kbuild robot and passes the latest libnvdimm unit tests. Summary: - Dynamic label support: To date namespace label support has been limited to disambiguating cases where PMEM (direct load/store) and BLK (mmio aperture) accessed-capacity alias on the same DIMM. Since 4.9 added support for multiple namespaces per PMEM-region there is value to support namespace labels even in the non-aliasing case. The presence of a valid namespace index block force-enables label support when the kernel would otherwise rely on region boundaries, and permits the region to be sub-divided. - Handle media errors in namespace metadata: Complement the error handling for media errors in namespace data areas with support for clearing errors on writes, and downgrading potential machine-check exceptions to simple i/o errors on read. - Device-DAX region attributes: Add 'align', 'id', and 'size' as attributes for device-dax regions. In particular this enables userspace tooling to generically size memory mapping and i/o operations. Prevent userspace from growing assumptions / dependencies about the parent device topology for a dax region. A libnvdimm namespace may not always be the parent device of a dax region. - Various cleanups and small fixes" * tag 'libnvdimm-for-4.10' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: dax: add region 'id', 'size', and 'align' attributes libnvdimm: fix mishandled nvdimm_clear_poison() return value libnvdimm: replace mutex_is_locked() warnings with lockdep_assert_held libnvdimm, pfn: fix align attribute libnvdimm, e820: use module_platform_driver libnvdimm, namespace: use octal for permissions libnvdimm, namespace: avoid multiple sector calculations libnvdimm: remove else after return in nsio_rw_bytes() libnvdimm, namespace: fix the type of name variable libnvdimm: use consistent naming for request_mem_region() nvdimm: use the right length of "pmem" libnvdimm: check and clear poison before writing to pmem tools/testing/nvdimm: dynamic label support libnvdimm: allow a platform to force enable label support libnvdimm: use generic iostat interfaces
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