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a93e3b1722
In general one can't assume that a switchdev notifier is called in a non-atomic context, and correspondingly, the switchdev notifier chain is an atomic one. However, port object addition and deletion messages are delivered from a process context. Even the MDB addition messages, whose delivery is scheduled from atomic context, are queued and the delivery itself takes place in blocking context. For VLAN messages in particular, keeping the blocking nature is important for error reporting. Therefore introduce a blocking notifier chain and related service functions to distribute the notifications for which a blocking context can be assumed. Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Reviewed-by: Ido Schimmel <idosch@mellanox.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 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.