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Angelo Dureghello
f4eef224a0
Add handling of magic sysrq keys when using dma/edma. Tested by sending BREAK followed by a sysrq command inside a 5 secs time window, by: echo 1 > /proc/sys/kernel/sysrq BREAK + h, t, e, b, c Tested also sending a command after 5 secs after BREAK, that's properly ignored. Signed-off-by: Angelo Dureghello <angelo.dureghello@timesys.com> Link: https://lore.kernel.org/r/20201004161144.1307174-1-angelo.dureghello@timesys.com 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.