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4d4ac2ecec
Once the RTNL locking around the control buffer is removed there can be contention on the per queue RX interrupt coalescing data. Use a mutex per queue. A mutex is required because virtnet_send_command can sleep. Signed-off-by: Daniel Jurgens <danielj@nvidia.com> Reviewed-by: Heng Qi <hengqi@linux.alibaba.com> Tested-by: Heng Qi <hengqi@linux.alibaba.com> Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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 reStructuredText 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.