1 From: Suresh Siddha <suresh.b.siddha@intel.com>
2 Subject: x64, x2apic/intr-remap: introduce CONFIG_INTR_REMAP
3 References: fate #303948 and fate #303984
4 Patch-Mainline: queued for .28
5 Commit-ID: 9fa8c481b55e80edd8c637573f87853bb6b600f5
7 Signed-off-by: Thomas Renninger <trenn@suse.de>
9 Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
10 Cc: akpm@linux-foundation.org
11 Cc: arjan@linux.intel.com
12 Cc: andi@firstfloor.org
13 Cc: ebiederm@xmission.com
14 Cc: jbarnes@virtuousgeek.org
16 Signed-off-by: Ingo Molnar <mingo@elte.hu>
19 arch/x86/Kconfig | 8 ++++++++
20 1 file changed, 8 insertions(+)
22 --- a/arch/x86/Kconfig
23 +++ b/arch/x86/Kconfig
24 @@ -1703,6 +1703,14 @@ config DMAR_FLOPPY_WA
25 workaround will setup a 1:1 mapping for the first
26 16M to make floppy (an ISA device) work.
29 + bool "Support for Interrupt Remapping (EXPERIMENTAL)"
30 + depends on X86_64 && X86_IO_APIC && PCI_MSI && ACPI && EXPERIMENTAL
32 + Supports Interrupt remapping for IO-APIC and MSI devices.
33 + To use x2apic mode in the CPU's which support x2APIC enhancements or
34 + to support platforms with CPU's having > 8 bit APIC ID, say Y.
36 source "drivers/pci/pcie/Kconfig"
38 source "drivers/pci/Kconfig"