Messages in this thread | | | Date | 10 Jan 2005 17:29:50 +0100 | Date | Mon, 10 Jan 2005 17:29:50 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH 1/1] pci: Block config access during BIST (resend) |
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> The problem I am trying to solve is the userspace PCI access methods > accessing my config space when the adapter is not able to handle such an > access. Today these accesses bypass the device driver altogether and > there is no way to stop them. An alternative to this patch would be to
For this I would add a semaphore or a lock bit to pci_dev. Probably a simple flag is good enough that is checked by sysfs/proc and return EBUSY when set.
This assumes that the driver controls the device during BIST time.
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