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authorDave Martin <dave.martin@linaro.org>2012-02-17 16:54:28 +0000
committerMarc Zyngier <marc.zyngier@arm.com>2012-09-19 08:32:53 +0100
commit5b6728d4189d14c19f384d5ec6087276e7c196d8 (patch)
tree424a28c9aac9edecd3b4681e80c8a7aee27d0ab4 /arch/arm/mm/Kconfig
parent4588c34daabb5aebee9cbe90f0ca6ab11412f207 (diff)
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ARM: virt: Add CONFIG_ARM_VIRT_EXT option
It is now possible to enable the virtualization extention support. Signed-off-by: Dave Martin <dave.martin@linaro.org> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/mm/Kconfig')
-rw-r--r--arch/arm/mm/Kconfig17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 101b9681c08c..c9a4963b5c3d 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