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| author | Dave Martin <dave.martin@linaro.org> | 2012-02-17 17:54:28 +0100 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2012-09-19 09:32:53 +0200 |
| commit | 5b6728d4189d14c19f384d5ec6087276e7c196d8 (patch) | |
| tree | 424a28c9aac9edecd3b4681e80c8a7aee27d0ab4 /arch/arm | |
| parent | ARM: virt: Add boot-time diagnostics (diff) | |
| download | linux-5b6728d4189d14c19f384d5ec6087276e7c196d8.tar.xz linux-5b6728d4189d14c19f384d5ec6087276e7c196d8.zip | |
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')
| -rw-r--r-- | 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 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 |