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Upcall is a direct communication tool between VMM and guest developed upon vsock. The server side of the upcall is a driver in guest kernel (kernel patches are needed for this feature) and it'll start to serve the requests after the kernel starts. And the client side is in Dragonball VMM , it'll be a thread that communicates with vsock through uds. We want to keep the lightweight of the VM through the implementation of the upcall, through which we could achieve vCPU hotplug, virtio-mmio hotplug without implementing complex and heavy virtualization features such as ACPI virtualization. fixes: #5642 Signed-off-by: Chao Wu <chaowu@linux.alibaba.com> |
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dragonball-experimental | ||
experimental | ||
0001-5.10.x-PTP_KVM-support-for-arm-arm64.patch | ||
0001-arm64-mmu-compared-with-linear-start-physical-addres.patch | ||
0001-arm64-sparsemem-reduce-SECTION_SIZE_BITS.patch | ||
0001-NO-UPSTREAM-9P-always-use-cached-inode-to-fill-in-v9.patch |