David Brazdil d8b369c4e3 KVM: arm64: Add kvm-arm.mode early kernel parameter ... Add an early parameter that allows users to select the mode of operation for KVM/arm64. For now, the only supported value is "protected". By passing this flag users opt into the hypervisor placing additional restrictions on the host kernel. These allow the hypervisor to spawn guests whose state is kept private from the host. Restrictions will include stage-2 address translation to prevent host from accessing guest memory, filtering its SMC calls, etc. Without this parameter, the default behaviour remains selecting VHE/nVHE based on hardware support and CONFIG_ARM64_VHE. Signed-off-by: David Brazdil <dbrazdil@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20201202184122.26046-2-dbrazdil@google.com		2020-12-04 08:43:43 +00:00
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asm	KVM: arm64: Add kvm-arm.mode early kernel parameter	2020-12-04 08:43:43 +00:00
uapi/asm	ARM:	2020-10-23 11:17:56 -07:00