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09aec57d83
We will replace all rtnl_register() and rtnl_register_module() with rtnl_register_many(). Currently, rtnl_register() returns nothing and prints an error message when it fails to register a rtnetlink message type and handlers. The failure happens only when rtnl_register_internal() fails to allocate rtnl_msg_handlers[protocol][msgtype], but it's unlikely for built-in callers on boot time. rtnl_register_many() unwinds the previous successful registrations on failure and returns an error, but it will be useless for built-in callers, especially some subsystems that do not have the legacy ioctl() interface and do not work without rtnetlink. Instead of booting up without rtnetlink functionality, let's panic on failure for built-in rtnl_register_many() callers. Signed-off-by: Kuniyuki Iwashima <kuniyu@amazon.com> Reviewed-by: Eric Dumazet <edumazet@google.com> Link: https://patch.msgid.link/20241014201828.91221-2-kuniyu@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.