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Cong Wang
be74294ffa
lockdep_set_class_and_subclass() is meant to reduce
the _nested() annotations by assigning a default subclass.
For addr_list_lock, we have to compute the subclass at
run-time as the netdevice topology changes after creation.
So, we should just get rid of these
lockdep_set_class_and_subclass() and stick with our _nested()
annotations.
Fixes: 845e0ebb44 ("net: change addr_list_lock back to static key")
Suggested-by: Taehee Yoo <ap420073@gmail.com>
Cc: Dmitry Vyukov <dvyukov@google.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
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In order to build the documentation, use ``make htmldocs`` or
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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
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the problems which may result by upgrading your kernel.