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# PCI configuration

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config ARCH_SUPPORTS_MSI

        bool

        default n

config PCI_MSI

        bool "Message Signaled Interrupts (MSI and MSI-X)"

        depends on PCI

        depends on ARCH_SUPPORTS_MSI

        help

           This allows device drivers to enable MSI (Message Signaled

           Interrupts).  Message Signaled Interrupts enable a device to

           generate an interrupt using an inbound Memory Write on its

           PCI bus instead of asserting a device IRQ pin.

           Use of PCI MSI interrupts can be disabled at kernel boot time

           by using the 'pci=nomsi' option.  This disables MSI for the

           entire system.

           If you don't know what to do here, say N.

config PCI_LEGACY

        bool "Enable deprecated pci_find_* API"

        depends on PCI

        default y

        help

          Say Y here if you want to include support for the deprecated

          pci_find_slot() and pci_find_device() APIs.  Most drivers have

          been converted over to using the proper hotplug APIs, so this

          option serves to include/exclude only a few drivers that are

          still using this API.

config PCI_DEBUG

        bool "PCI Debugging"

        depends on PCI && DEBUG_KERNEL

        help

          Say Y here if you want the PCI core to produce a bunch of debug

          messages to the system log.  Select this if you are having a

          problem with PCI support and want to see more of what is going on.

          When in doubt, say N.

config HT_IRQ

        bool "Interrupts on hypertransport devices"

        default y

        depends on PCI && X86_LOCAL_APIC && X86_IO_APIC

        help

           This allows native hypertransport devices to use interrupts.

           If unsure say Y.