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[UNIKRAFT PATCH] pci_bus: implement recursive PCI bus enumeration



Hi,

this patch implements recursive PCI bus enumeration instead of the previous
"brute force" enumeration approach. This results in major boot time
improvements on KVM. The OSDev article on PCI [0] will be useful for the
review.

regards,
Hugo

[0] https://wiki.osdev.org/PCI

Hugo Lefeuvre (1):
  pci_bus: implement recursive PCI bus enumeration

 plat/common/pci_bus.c | 187 ++++++++++++++++++++++++++++++++++++--------------
 1 file changed, 135 insertions(+), 52 deletions(-)

-- 
2.7.4




 


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