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9143595a7e
If NTB peer host crashes or reboots, the NTB transport link will be down and the MWs of NTB transport will be invalid. But the ntb_transport_link_cleanup() does not free these invalid MWs. When the NTB peer host is recovered later, NTB transport link will be up and the ntb_set_mw() will not reset up MWs. Because the MWs of NTB transport are invalid, the NTB transport will not work. We can fix it by freeing MWs when NTB transport link is down, then the ntb_set_mw() will reset up MWs when NTB transport link is up. Signed-off-by: Joey Zhang <joey.zhang@microchip.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> |
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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.