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4336b93378
The vio and ibmebus buses are used for pseries specific paravirtualised devices and currently they're initialised by the generic initcall types. This is mostly fine, but it can result in some nuisance errors in dmesg when booting on PowerNV on some OSes, e.g. [ 2.984439] synth uevent: /devices/vio: failed to send uevent [ 2.984442] vio vio: uevent: failed to send synthetic uevent [ 17.968551] synth uevent: /devices/vio: failed to send uevent [ 17.968554] vio vio: uevent: failed to send synthetic uevent We don't see anything similar for the ibmebus because that depends on !CONFIG_LITTLE_ENDIAN. This patch squashes those by switching to using machine_*_initcall() so the bus type is only registered when the kernel is running on a pseries machine. Signed-off-by: Oliver O'Halloran <oohall@gmail.com> Reviewed-by: Tyrel Datwyler <tyreld@linux.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20200421081539.7485-1-oohall@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.