Re: [Qemu-devel] guest kernel in the host RAM

[Miao Yan]

2015-12-15 19:27 GMT+08:00 Denis V. Lunev <address@hidden>:
> Hello, Paolo!
>
> There is a plan or idea to improve current implementation
> of Clear Containers for QEMU. Patches about NVDIMM
> are floating in the list, you have proposed special
> boot firmware for a case.
>
> The idea is that we could boot with the uncompressed Linux
> kernel in the guest which serves 2 purposes:
> - faster boot time as per Intel opinion
> - memory savings
>
> Uncompressed kernel image could be the same for several
> guests and thus memory pages for the kernel could be the
> same, which saves a bit of RAM :)
>
> At the moment neither BIOS support this in full: nor SeaBIOS,
> nor OVMF, nor QBoot.

Just FYI, U-boot can load uncompressed kernels and it can
run on qemu.

>
> From our point of view QBoot is an ideal candidate for this.
>
> Do you have any opinion for the topic?
>
> Den
>