Sync pKVM changes for the pending 1.55.3 release - #3002
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The image comes from the Android build when available. Targets that don't build protected VM firmware are unaffected. Bug: 536088107 Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
When set, pass --nested=on to crosvm so the guest boots at virtual EL2, and append kvm-arm.mode=protected and kvm-arm.protected_modules=pkvm_iommu_temp to the guest kernel command line. Also disable virtio-pmem for pkvm guests (host writeback of the storage-backed pmem files invalidates the guest's nested stage-2, making the guest extremely slow) and keep pkvm_iommu_temp.ko in the first-stage ramdisk during module redistribution. Requires a nested-virt capable host, a crosvm with --nested support, and a guest image built for pKVM. Bug: 536088107 Signed-off-by: Dmitrii Merkurev <dimorinny@google.com>
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