The role of Qemu in booting guests

[mabel mary joy <mabeljoy@xxxxxxxx>]

Hello

I have some questions regarding KVM on ARM
I would really like to know the role of qemu which is basically an emulator while booting guests in linux-KVM.
Isnt it possible to bring up guests with KVM alone? How does Qemu help here?

Also why do we supply root file system through nfs for host and not as an image as we do for the guests?
Why did we use cramfs file system?

Is the kernel bound to a particular root file system ? i.e could a kernel use another root file system ?

Answers to these will be really helpful for me in my research

-- 
Thanks & Regards
Mabel Mary Joy

Wissenschaftliche Mitarbeiterin

(Research Associate)
C-Lab
Raum:FU.304
Tele:  05251-60-6110
Heinz Nixdorf Institute

University of Paderborn
Fürstenallee-11
33102 Paderborn, Germany

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