On Wed, Aug 17, 2011 at 3:33 PM, J.Hwan Kim [off-list ref] wrote:

Hi, everyone

In kernel source, where is the PCI IO memory resource allocation is done?
(memory mapped io)

And can you explain the IO memory resource allocation mechanism?

Thanks in advance

Best Regards,

J.Hwan Kim



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Hi J.Hwan,

Have you tried reading some books like Linux Device Drivers by
Jonathan Corbet, Alessandro
Rubini, and Greg Kroah-Hartman? In mentioned book there is a chapter
dedicated to PCI subsystem.