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63625b43e9
Some UEFI drivers (observed with the "Usb Xhci Driver" on an HP EliteBook) are particularly badly behaved: they cannot be unloaded and will leave handles opened with BY_DRIVER attributes even after disconnecting the driver, thereby preventing a replacement iPXE driver from opening the handle. Allow such drivers to be vetoed by falling back to a brute-force mechanism that will disconnect the driver from all handles, uninstall the driver binding protocol (to prevent it from attaching to any new handles), and finally close any stray handles that the vetoed driver has left open. Signed-off-by: Michael Brown <mcb30@ipxe.org>
iPXE README File Quick start guide: cd src make For any more detailed instructions, see http://ipxe.org