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Saravana Kannan f79f662e4c driver core: Add "*" wildcard support to driver_async_probe cmdline param
There's currently no way to use driver_async_probe kernel cmdline param
to enable default async probe for all drivers.  So, add support for "*"
to match with all driver names.  When "*" is used, all other drivers
listed in driver_async_probe are drivers that will NOT match the "*".

For example:
* driver_async_probe=drvA,drvB,drvC
  drvA, drvB and drvC do asynchronous probing.

* driver_async_probe=*
  All drivers do asynchronous probing except those that have set
  PROBE_FORCE_SYNCHRONOUS flag.

* driver_async_probe=*,drvA,drvB,drvC
  All drivers do asynchronous probing except drvA, drvB, drvC and those
  that have set PROBE_FORCE_SYNCHRONOUS flag.

Cc: Alexander Duyck <alexander.h.duyck@linux.intel.com>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Feng Tang <feng.tang@intel.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20220504005344.117803-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2022-05-19 19:28:24 +02:00
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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.