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authorSuresh Siddha <suresh.b.siddha@intel.com>2008-07-10 11:17:00 -0700
committerIngo Molnar <mingo@elte.hu>2008-07-12 08:45:08 +0200
commit9fa8c481b55e80edd8c637573f87853bb6b600f5 (patch)
treecbfcba9eacd830f681392b7930f07deb56f03492
parent2d9579a124d746a3e0e0ba45e57d80800ee80807 (diff)
x64, x2apic/intr-remap: introduce CONFIG_INTR_REMAP
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Cc: akpm@linux-foundation.org Cc: arjan@linux.intel.com Cc: andi@firstfloor.org Cc: ebiederm@xmission.com Cc: jbarnes@virtuousgeek.org Cc: steiner@sgi.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--arch/x86/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 2cfccc987a2..0bf8391a7f2 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -1651,6 +1651,14 @@ config DMAR_FLOPPY_WA
workaround will setup a 1:1 mapping for the first
16M to make floppy (an ISA device) work.
+config INTR_REMAP
+ bool "Support for Interrupt Remapping (EXPERIMENTAL)"
+ depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
+ help
+ Supports Interrupt remapping for IO-APIC and MSI devices.
+ To use x2apic mode in the CPU's which support x2APIC enhancements or
+ to support platforms with CPU's having > 8 bit APIC ID, say Y.
+
source "drivers/pci/pcie/Kconfig"
source "drivers/pci/Kconfig"