jhb 2008-02-01 20:31:09 UTC
FreeBSD src repository
Modified files:
sys/dev/pci pci.c
Log:
Relax the check for a PCI-express chipset by assuming the system is a
PCI-express chipset (and thus has functional MSI) if there are any
PCI-express devices in the system, not requiring a root port device.
With PCI-X the chipset detection has to be very conservative because there
are known systems with PCI-X devices that do not appear to have PCI-X
chipsets. However, with PCI-express I'm not sure it is possible to have
a PCI-express device in a system with a non-PCI-express chipset. If we
assume that is the case then this change is valid. It is also required
for at least some PCI-express systems that don't have any devices with
a root port capability (some ICH9 systems).
MFC after: 1 week
Reported by: jfv
Revision Changes Path
1.357 +2 -5 src/sys/dev/pci/pci.c
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