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86ec882f59
Once we added support in the dpaa2-eth for driver level software TSO we observed the following situation: if the EQCR CI (consumer index) is read from the cache-enabled area we sometimes end up with a computed value of available enqueue entries bigger than the size of the ring. This eventually will lead to the multiple enqueue of the same FD which will determine the same FD to end up on the Tx confirmation path and the same skb being freed twice. Just read the consumer index from the cache inhibited area so that we avoid this situation. Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net> |
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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.