| kernel || [[Seamless kernel upgrade]] || hard || xemul || Briefly — dump tasks (into memory), change the kernel w/ kexec, then restore tasks back. From the tasks and remote client perspective tasks has just stopped and then resumed on the newer kernel. Can be a good complement to the classic live-patching technology. | | kernel || [[Seamless kernel upgrade]] || hard || xemul || Briefly — dump tasks (into memory), change the kernel w/ kexec, then restore tasks back. From the tasks and remote client perspective tasks has just stopped and then resumed on the newer kernel. Can be a good complement to the classic live-patching technology. |