Re: [PATCH 1/2] pci: Block config access during BIST

[Benjamin Herrenschmidt]

> I guess what I was having difficulty with was how to go from bus/devfn
> to pci_dev in the bus macros (to access the saved_config_space) and do this
> safely at interrupt level. The spinlock protecting the devices list on the
> pci_bus struct is never acquired with irqsave and all the existing
> functions to search for a given pci device are not callable from
> interrupt context.

Hrm... true, that is a problem...

Ben.


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