vm: lazy memory restore via UFFD; stop systemd unit on restore failure#53

Merged

meAmitPatil merged 9 commits into

mainfrom

amit/uffd-lazy-restore

May 13, 2026

Commits on May 12, 2026

vm: lazy memory restore via UFFD; stop systemd unit on restore failure
meAmitPatil
committed
vm,uffd: prefetch on restore; record access pattern during template build
meAmitPatil
committed
uffd: clear O_NONBLOCK on UFFD fd so serveLoop blocks instead of exiting on EAGAIN
meAmitPatil
committed
uffd: serialize ioctls vs close with RWMutex + atomic fd to close fd-reuse race
meAmitPatil
committed
uffd: replace fixed 2s recording timeout with fault-rate convergence detection
meAmitPatil
committed
uffd: split handshake/serve ctxs and add VMD_UFFD_ENABLED kill switch
meAmitPatil
committed
uffd: prod-readiness fixes — ID prefix, handshake ack, accept watchdog, bounded ioctls, LoadSnapshot timeout
meAmitPatil
committed

Commits on May 13, 2026