PCI core gains Live Update support for kexec device continuity
David Matlack’s v10 series lets selected PCI endpoints keep DMA running across a host kernel upgrade without topology or routing changes.
By oops#kexec
RFC keeps KVM guests running across host kexec live updates
Pasha Tatashin’s early OrphanVM proof of concept preserves physical CPUs so vCPUs keep executing while the host kernel is replaced.
By oops