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d926793c1d
The `ndo_start_xmit` function is protected by a spinlock on the tx queue being used to transmit the skb. Allow concurrent calls to `ndo_start_xmit` by using more than one tx queue. This allows for greater throughput when several jobs are trying to transmit data. Introduce 16 tx queues (leave single rx queue as is) which each correspond to one DMA mapped long term buffer. Signed-off-by: Nick Child <nnac123@linux.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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.