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
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