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[ Upstream commit 8fdeafd66edaf420ea0063a1f13442fe3470fe70 ] mlx4 doesn't support ndo_xdp_xmit / XDP_REDIRECT and wasn't using page pool until now, so it could run XDP completions in netpoll (NAPI budget == 0) just fine. Page pool has calling context requirements, make sure we don't try to call it from what is potentially HW IRQ context. Reviewed-by: Tariq Toukan <tariqt@nvidia.com> Link: https://patch.msgid.link/20250213010635.1354034-3-kuba@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org> 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.
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.