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Recent firmware updates introduce additional fields in the mailbox message to provide more information for identifying 40G and 100G QSFP modules. To accommodate these new fields, expand the mailbox buffer size by 4 bytes. Without this change, drivers built against the updated firmware cannot properly identify modules due to mismatched mailbox message lengths. The old firmware version that used the smaller mailbox buffer has never been publicly released, so there are no backward-compatibility concerns. Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Link: https://patch.msgid.link/20251014061726.36660-2-jiawenwu@trustnetic.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.