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b7a861a6c3
Per-device locking in the ISS network driver is used to protect poll timer and stats updates. Stat collection is not protected. Remove per-device locking everywhere except the stats updates. Replace ndo_get_stats callback with ndo_get_stats64 and use proper locking there as well. As a side effect this fixes possible deadlock between iss_net_close and iss_net_timer. Reported by: Duoming Zhou <duoming@zju.edu.cn> Signed-off-by: Max Filippov <jcmvbkbc@gmail.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 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.