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# PCI configuration
config PCI_MSI
bool "Message Signaled Interrupts (MSI and MSI-X)"
depends on PCI
depends on (X86_LOCAL_APIC && X86_IO_APIC) || IA64
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.
If you don't know what to do here, say N.
bool "Legacy /proc/pci interface"
depends on PCI
This feature enables a procfs file -- /proc/pci -- that provides a
summary of PCI devices in the system.
This feature has been deprecated as of v2.5.53, in favor of using the
tool lspci(8). This feature may be removed at a future date.
lspci can provide the same data, as well as much more. lspci is a part of
the pci-utils package, which should be installed by your distribution.
See <file:Documentation/Changes> for information on where to get the latest
When in doubt, say N.
config PCI_DEBUG
bool "PCI Debugging"
depends on PCI && DEBUG_KERNEL
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.