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x64, x2apic/intr-remap: introduce CONFIG_INTR_REMAP

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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>
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Suresh Siddha 2008-07-10 11:17:00 -07:00 committed by Ingo Molnar
parent 2d9579a124
commit 9fa8c481b5
1 changed files with 8 additions and 0 deletions
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arch/x86/Kconfig
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@ -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"