On Fri, Oct 13, 2006 at 01:57:48PM -0400, Alan Stern wrote: > Would it be okay for pci_block_user_cfg_access() to use its own cache, so > it doesn't interfere with data previously cached by pci_save_state()? My suggestion is just to require that the callers have previously called pci_save_state(). The PCI PM stack already has, and it's a one-line change to the IPR driver.