How do I re-attach a pci device detached from the host for pci passthrough?

Solution Unverified - Updated -

Issue

  • Following step 7 to do pci passthrough, I have detached a pci device from the host and its device driver in the host. I am no longer willing to passthrough this pci device to guests. How do I re-attach the pci device to its device driver in the host?

Environment

  • Red Hat Enterprise Linux 5/6

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