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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
- 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.
- If you don't know what to do here, say N.
- config PCI_LEGACY_PROC
- bool "Legacy /proc/pci interface"
- depends on PCI
- ---help---
- 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
- version.
- When in doubt, say N.
- config PCI_NAMES
- bool "PCI device name database"
- depends on PCI
- ---help---
- By default, the kernel contains a database of all known PCI device
- names to make the information in /proc/pci, /proc/ioports and
- similar files comprehensible to the user.
- This database increases size of the kernel image by about 80KB. This
- memory is freed after the system boots up if CONFIG_HOTPLUG is not set.
- Anyway, if you are building an installation floppy or kernel for an
- embedded system where kernel image size really matters, you can disable
- this feature and you'll get device ID numbers instead of names.
- When in doubt, say Y.
- 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.
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