> On Aug 18, 2016, at 2:35 AM, Andrew Donnellan <andrew.donnel...@au1.ibm.com> > wrote: > > When cxl removes a vPHB, it's possible that the pci_controller may be freed > before all references to the devices on the vPHB have been released. This > in turn causes an invalid memory access when the devices are eventually > released, as pcibios_release_device() attempts to call the phb's > release_device hook. > > In cxl_pci_vphb_remove(), remove the existing call to > pcibios_free_controller(). Instead, use > pcibios_free_controller_deferred() to free the pci_controller after all > devices have been released. Export pci_set_host_bridge_release() so we can > do this. > > Cc: sta...@vger.kernel.org > Signed-off-by: Andrew Donnellan <andrew.donnel...@au1.ibm.com>
Reviewed-by: Matthew R. Ochs <mro...@linux.vnet.ibm.com>
