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88c7931f81
commitcc79bd2738upstream. The tx tail index is not reset when the link goes down. This causes the tail index to go out of sync when the link goes down and comes back up. Refactor the ntb_qp_link_down_reset() and reset the tail index as well. Fixes:2849b5d706("NTB: Reset transport QP link stats on down") Reported-by: Yuan Y Lu <yuan.y.lu@intel.com> Tested-by: Yuan Y Lu <yuan.y.lu@intel.com> Reviewed-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.