Re: patch pci-rework-documentation-pci.txt.patch added to gregkh-2.6 tree

From: Greg KH
Date: Wed Jan 17 2007 - 14:22:29 EST


On Wed, Jan 17, 2007 at 10:09:08AM +0059, Jiri Slaby wrote:
> gregkh@xxxxxxx wrote:
> [...]
> > +Tips on when/where to use the above attributes:
> > + o The module_init()/module_exit() functions (and all
> > + initialization functions called _only_ from these)
> > + should be marked __init/__exit.
> > +
> > + o Do not mark the struct pci_driver.
> > +
> > + o The ID table array should be marked __devinitdata.
>
> Is that correct? It panics somewehere IIRC?

If it's marked __initdata it can panic if we try to access the data when
adding a new PCI device after the system is up and running (pci hotplug
or dynamic pci ids support.) That's why it needs to be either no
marking or __devinitdata (which resolves to nothing if CONFIG_HOTPLUG is
enabled.)

thanks,

greg k-h
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