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As soon as the driver registers the PF netdev, userspace utilities like NetworkManager try to bring up the associated interface. When this happens, the driver may not have finished initializing fully, resulting in a bunch of errors in the interface up flow. The driver already has a mechanism to indicate if it's not up yet; by setting the __ICE_DOWN bit in pf->state, but this bit gets cleared too early in the current flow. So clear this bit only when the driver is fully up. Also check for the same bit in the ice_open flow, and return -EBUSY if the bit is set. Also in ice_open, replace references of vsi->back with a local variable. Signed-off-by: Anirudh Venkataramanan <anirudh.venkataramanan@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.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.