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Rorie Reyes cbf367d5b0 s390/vfio-ap: Notify userspace that guest's AP config changed when mdev removed
The guest's AP configuration is cleared when the mdev is removed, so
userspace must be notified that the AP configuration has changed. To this
end, this patch:

* Removes call to 'signal_guest_ap_cfg_changed()' function from the
  'vfio_ap_mdev_unset_kvm()' function because it has no affect given it is
  called after the mdev fd is closed.

* Adds call to 'signal_guest_ap_cfg_changed()' function to the
  'vfio_ap_mdev_request()' function to notify userspace that the guest's
  AP configuration has changed before signaling the request to remove the
  mdev.

Minor change - Fixed an indentation issue in function
'signal_guest_ap_cfg_changed()'

Fixes: 07d89045bf ("s390/vfio-ap: Signal eventfd when guest AP configuration is changed")
Signed-off-by: Rorie Reyes <rreyes@linux.ibm.com>
Reviewed-by: Anthony Krowiak <akrowiak@linux.ibm.com>
Link: https://lore.kernel.org/r/20250304200812.54556-1-rreyes@linux.ibm.com
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
History 2025-03-11 15:28:58 +01:00
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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 reStructuredText 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.