Hi. Huang, Ying wrote: > This patchset provides an enhancement to kexec/kdump. It implements > the following features: > > - Backup/restore memory used both by the original kernel and the > kexeced kernel. Why the kexeced kernel as well? [...] > The features of this patchset can be used as follow: > > - Kernel/system debug through making system snapshot. You can make > system snapshot, jump back, do some thing and make another system > snapshot. Are you somehow recording all the filesystem changes after the first snapshot? If not, this is pointless (you'll end up with filesystem corruption). [...] > - Cooperative multi-kernel/system. With kexec jump, you can switch > between several kernels/systems quickly without boot process except > the first time. This appears like swap a whole kernel/system out/in. How is this useful to the end user? Regards, Nigel
