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[ Upstream commit88113957dd] In commit26a4676faa("arm64: mm: define NET_IP_ALIGN to 0"), AVE controller affects this modification because the controller forces to ignore lower 2bits of buffer start address, and make 2-byte headroom, that is, data reception starts from (buffer + 2). This patch defines AVE_FRAME_HEADROOM macro as hardware-specific value, and replaces NET_IP_ALIGN with it. Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.