[linux-pm] Bug in PCI core

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On Fri, 13 Oct 2006, Matthew Wilcox wrote:

> 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.

Okay.  Would you like to write a patch with that fix?  Be sure to add a 
comment explaining the need for a previous call to pci_save_state().

At least it will get things going for now, even if it isn't perfectly
correct in the long run.

Alan Stern



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