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Wei Fang sayus: ==================== fix crash issue when setting MQPRIO for VFs There is a crash issue when setting MQPRIO for ENETC VFs, the root casue is that ENETC VFs don't like ENETC PFs, they don't have port registers, so hw->port of VFs is NULL. However, this NULL pointer will be accessed without any checks in enetc_mm_commit_preemptible_tcs() when configuring MQPRIO for VFs. Therefore, two patches are added to fix this issue. The first patch sets ENETC_SI_F_QBU flag only for SIs that support 802.1Qbu. The second patch adds a check in enetc_change_preemptible_tcs() to ensure that SIs that do not support 802.1Qbu do not configure preemptible TCs. --- v1 Link: https://lore.kernel.org/imx/20241030082117.1172634-1-wei.fang@nxp.com/ v2 Link: https://lore.kernel.org/imx/20241104054309.1388433-1-wei.fang@nxp.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 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.