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Jiri Slaby (SUSE)
73276e3a10
The jiffies tests in n_tty_receive_overrun() are simplified ratelimiting (without locking). We could use struct ratelimit_state and the helpers, but to me, it occurs to be too complex for this use case. But the code currently tests both if the time passed (the first time_after()) and if jiffies wrapped around (the second time_after()). time_is_before_jiffies() takes care of both, provided overrun_time is initialized at the allocation time. So switch to time_is_before_jiffies(), the same what ratelimiting does. Signed-off-by: "Jiri Slaby (SUSE)" <jirislaby@kernel.org> Link: https://lore.kernel.org/r/20230827074147.2287-5-jirislaby@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.