Re: [PATCH v2 09/18] pci: Add config for Enhanced Allocation

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diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 47cd074aa1..fd2203420c 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -67,6 +67,13 @@ config PCI_SRIOV if available on a PCI Physical Function device and probe for applicable drivers.

+config PCI_ENHANCED_ALLOCATION

•   bool "Enable support for Enhanced Allocation of resources"
  

•   default y
  

•   help
  

•     Enable support for Enhanced Allocation which can be used by supported
  

•     devices in place of traditional BARS for allocation of resources.
  

Why do we need a config option for EA as it can be figured out in the run time?

I wanted to have the option to disable the logic for handling EA at runtime. A glance at the code suggested there's a whole other rabbit hole of missing safety checks that I've opted to leave for another day.