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The devfn of 00:02.0 is 0x10. devfn_to_wslot(0x10) == 0x2, and wslot_to_devfn(0x2) should be 0x10, while it's 0x2 in the current code. Due to this, hv_eject_device_work() -> pci_get_domain_bus_and_slot() returns NULL and pci_stop_and_remove_bus_device() is not called. Later when the real device driver's .remove() is invoked by hv_pci_remove() -> pci_stop_root_bus(), some warnings can be noticed because the VM has lost the access to the underlying device at that time. Signed-off-by: Jake Oshins <jakeo@microsoft.com> Signed-off-by: Dexuan Cui <decui@microsoft.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Haiyang Zhang <haiyangz@microsoft.com> CC: stable@vger.kernel.org CC: K. Y. Srinivasan <kys@microsoft.com> CC: Stephen Hemminger <sthemmin@microsoft.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. 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.