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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>
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@ -624,6 +624,23 @@ config ARM_THUMBEE
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Say Y here if you have a CPU with the ThumbEE extension and code to
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Say Y here if you have a CPU with the ThumbEE extension and code to
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make use of it. Say N for code that can run on CPUs without ThumbEE.
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make use of it. Say N for code that can run on CPUs without ThumbEE.
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config ARM_VIRT_EXT
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bool "Native support for the ARM Virtualization Extensions"
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depends on MMU && CPU_V7
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help
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Enable the kernel to make use of the ARM Virtualization
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Extensions to install hypervisors without run-time firmware
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assistance.
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A compliant bootloader is required in order to make maximum
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use of this feature. Refer to Documentation/arm/Booting for
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details.
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It is safe to enable this option even if the kernel may not be
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booted in HYP mode, may not have support for the
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virtualization extensions, or may be booted with a
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non-compliant bootloader.
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config SWP_EMULATE
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config SWP_EMULATE
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bool "Emulate SWP/SWPB instructions"
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bool "Emulate SWP/SWPB instructions"
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depends on !CPU_USE_DOMAINS && CPU_V7
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depends on !CPU_USE_DOMAINS && CPU_V7
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