mainlining shenanigans
6078e07dcf
* Improve the efficiency and performance of reading nvdimm-namespace labels. Reduce the amount of label data read at driver load time by a few orders of magnitude. Reduce heavyweight call-outs to platform-firmware routines. * Handle media errors located in the 'struct page' array stored on a persistent memory namespace. Let the kernel clear these errors rather than an awkward userspace workaround. * Fix Address Range Scrub (ARS) completion tracking. Correct occasions where the kernel indicates completion of ARS before submission. * Fix asynchronous device registration reference counting. * Add support for reporting an nvdimm dirty-shutdown-count via sysfs. * Fix various small libnvdimm core and uapi issues. -----BEGIN PGP SIGNATURE----- iQIcBAABAgAGBQJb0NuwAAoJEB7SkWpmfYgCjUYP/1RK35zXBJSArGE3CUkap/zp exuqUzhisiE3RER13hNvC59AxXB9QuIbzuR5bzWm+Lawuuaozn3iL2oKn3Gy0inl yE3m/1Hx43FTkYdH86K9bpaXtRfymppJiR475jRFin17xWL3UP2JJgYtGwoRfO4p OL1aLcGo04Y1E2h6sVx97DjiwWN5uTaG9jCciZr2w+s5pg1seuEOJcAayp+6D0Tq i2hZvQ6nyxxF2WzGqRk3ABbRySpQ5o4b33I/jjOKEFwYoB8UiZQeLuL2WRr1ztfz jo+aalLJjZTOMgeWPIYSuV+U8vySVUwXpMhfrMGnIRm5BuE9JUlHrYkMLcLZJyei 2qgQ65mDmoViBVx0w5k2nUjP8Ju5lC7fZTaLU60vf+3FZvBbSTtmog2+P0xMLg17 AHebl9slzJPO4r/z4XY+n9Bk/qOz6sfWk07LugfNcMdeZriJKr7BUclZVZDYiPJA /Rtnd8XRu8hS5Kfj7wK2QD5sVklS5VQhho/zzBZHQcQkQBfRo6f6YQ83N/6yoTKD p6nel3uRMX2n8+EPyODYt9j0cF7JupWqlSpRKUORrdSz85gt4D6W578tkJCEOCm0 JOm5HdLlwIhlIcam/w0blLOr+a0sISS4cWR72Vc/lSZHoM8ouQiQC/lplpiAAWwI 7pSmlYEEbZRQCy6ZrlVy =0FtE -----END PGP SIGNATURE----- Merge tag 'libnvdimm-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm Pull libnvdimm updates from Dan Williams: - Improve the efficiency and performance of reading nvdimm-namespace labels. Reduce the amount of label data read at driver load time by a few orders of magnitude. Reduce heavyweight call-outs to platform-firmware routines. - Handle media errors located in the 'struct page' array stored on a persistent memory namespace. Let the kernel clear these errors rather than an awkward userspace workaround. - Fix Address Range Scrub (ARS) completion tracking. Correct occasions where the kernel indicates completion of ARS before submission. - Fix asynchronous device registration reference counting. - Add support for reporting an nvdimm dirty-shutdown-count via sysfs. - Fix various small libnvdimm core and uapi issues. * tag 'libnvdimm-for-4.20' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm: (21 commits) acpi, nfit: Further restrict userspace ARS start requests acpi, nfit: Fix Address Range Scrub completion tracking UAPI: ndctl: Remove use of PAGE_SIZE UAPI: ndctl: Fix g++-unsupported initialisation in headers tools/testing/nvdimm: Populate dirty shutdown data acpi, nfit: Collect shutdown status acpi, nfit: Introduce nfit_mem flags libnvdimm, label: Fix sparse warning nvdimm: Use namespace index data to reduce number of label reads needed nvdimm: Split label init out from the logic for getting config data nvdimm: Remove empty if statement nvdimm: Clarify comment in sizeof_namespace_index nvdimm: Sanity check labeloff libnvdimm, dimm: Maximize label transfer size libnvdimm, pmem: Fix badblocks population for 'raw' namespaces libnvdimm, namespace: Drop the repeat assignment for variable dev->parent libnvdimm, region: Fail badblocks listing for inactive regions libnvdimm, pfn: during init, clear errors in the metadata area libnvdimm: Set device node in nd_device_register libnvdimm: Hold reference on parent while scheduling async init ... |
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.