[PATCH 6/7] ARM: virt: Add CONFIG_ARM_VIRT_EXT option
Marc Zyngier
marc.zyngier at arm.com
Sat Aug 11 07:04:36 EDT 2012
From: Dave Martin <dave.martin at linaro.org>
It is now possible to enable the virtualization extention support.
Signed-off-by: Dave Martin <dave.martin at linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/mm/Kconfig | 17 +++++++++++++++++
1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 101b968..c9a4963 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -624,6 +624,23 @@ config ARM_THUMBEE
Say Y here if you have a CPU with the ThumbEE extension and code to
make use of it. Say N for code that can run on CPUs without ThumbEE.
+config ARM_VIRT_EXT
+ bool "Native support for the ARM Virtualization Extensions"
+ depends on MMU && CPU_V7
+ help
+ Enable the kernel to make use of the ARM Virtualization
+ Extensions to install hypervisors without run-time firmware
+ assistance.
+
+ A compliant bootloader is required in order to make maximum
+ use of this feature. Refer to Documentation/arm/Booting for
+ details.
+
+ It is safe to enable this option even if the kernel may not be
+ booted in HYP mode, may not have support for the
+ virtualization extensions, or may be booted with a
+ non-compliant bootloader.
+
config SWP_EMULATE
bool "Emulate SWP/SWPB instructions"
depends on !CPU_USE_DOMAINS && CPU_V7
--
1.7.8.6
More information about the linux-arm-kernel
mailing list