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commit1cbc5e25fbupstream. Upon failure to recover from a PCIe error through AER, DPC or EDR, a uevent is sent to inform user space about disconnection of the bridge whose subordinate devices failed to recover. However the bridge itself is not disconnected. Instead, a uevent should be sent for each of the subordinate devices. Only if the "bridge" happens to be a Root Complex Event Collector or Integrated Endpoint does it make sense to send a uevent for it (because there are no subordinate devices). Right now if there is a mix of subordinate devices with and without pci_error_handlers, a BEGIN_RECOVERY event is sent for those with pci_error_handlers but no FAILED_RECOVERY event is ever sent for them afterwards. Fix it. Fixes:856e1eb9bd("PCI/AER: Add uevents in AER and EEH error/resume") Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Cc: stable@vger.kernel.org # v4.16+ Link: https://patch.msgid.link/68fc527a380821b5d861dd554d2ce42cb739591c.1755008151.git.lukas@wunner.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.