Re: [kvm-ppc-devel] RFC/patch portability: split kvm_vm_ioctl v2

[Carsten Otte <cotte-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>]

Izik Eidus wrote:
> btw, if you look at kvmctl, we already do it,
> so it is good question if it better to leave this work to userspace 
> (like it do now)
> or do the mapping to userspace from the kernel to userspace (using the 
> mmap syscall)
> 
> (i like the secoend option beacuse it would be easier to work with qemu 
> like this)
I think we should leave it to userland. This was userland is free to 
use whatever it wants:
- malloc() to get anonymous memory
- mmap() to get file backed memory
- posix or sysv shared memory
- hugetlbfs to save translation steps

so long,
Carsten

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