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3e3e9fd8b6
NFP locks record the owner when held, for PCIe devices the owner ID will be the PCIe link number. When driver loads it should scan known locks and if they indicate that they are held by local endpoint but the driver doesn't hold them - release them. Locks can be left taken for instance when kernel gets kexec-ed or after a crash. Management FW tries to clean up stale locks too, but it currently depends on PCIe link going down which doesn't always happen. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| drivers | ||
| firmware | ||
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| include | ||
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| ipc | ||
| kernel | ||
| lib | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
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| README | ||
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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.