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x86/64: enable MMIO_CMDLINE_DEVICES for firecracker support

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This Kernel option allows to run OpenWrt witin a `firecracker` micro VM.

Firecracker is a KVM-based tool for superfast booting VMs on x86_64 and
aarch64. It makes rootfs available to the guest as a virtio-mmio device
and passes its address via the kernel cmdline. A kernel without
CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES will not recognize the rootfs
virtio-mmio device.

Suggested-by: Packet Please <pktpls@systemli.org>
Signed-off-by: Paul Spooren <mail@aparcar.org>
This commit is contained in:
Paul Spooren 2021-10-11 10:33:26 -10:00
parent 4056a40160
commit e07cc46991
1 changed files with 1 additions and 0 deletions
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target/linux/x86/64/config-5.10
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@ -416,6 +416,7 @@ CONFIG_VIRTIO_BLK=y
CONFIG_VIRTIO_CONSOLE=y
CONFIG_VIRTIO_DMA_SHARED_BUFFER=y
CONFIG_VIRTIO_MMIO=y
CONFIG_VIRTIO_MMIO_CMDLINE_DEVICES=y
CONFIG_VIRTIO_NET=y
CONFIG_VIRTIO_PCI=y
CONFIG_VIRTIO_PCI_LEGACY=y