Christopher Obbard ef3ba87cb7 um: ubd: Set device serial attribute from cmdline
Adds the ability to set the UBD device serial number from the
commandline, disabling the serial number functionality by default.

In some cases it may be useful to set a serial to the UBD device, such
that downstream users (i.e. udev) can use this information to better
describe the hardware to the user from the UML cmdline. In our case we
use this parameter to create some entries under /dev/disk/by-ubd-id/
for each of the UBD devices passed through the UML cmdline.

Signed-off-by: Christopher Obbard <chris.obbard@collabora.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
2020-12-13 22:22:01 +01:00
2020-11-29 15:50:50 -08:00

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.
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