tree dacfd74f6352ed42744ebfcaff6ff4c987919c49
parent 1c2042c83aa7af10579b71a1fe5e22bbae69f08c
author Rafael J. Wysocki <rafael.j.wysocki@intel.com> 1389364159 +0100
committer Bjorn Helgaas <bhelgaas@google.com> 1389807253 -0700

xen/pcifront: Use global PCI rescan-remove locking

Multiple race conditions are possible between the Xen pcifront device
addition and removal and the generic PCI device addition and removal that
can be triggered via sysfs.

To avoid those race conditions make the Xen pcifront code use global PCI
rescan-remove locking.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>