Re: [ANNOUNCE] kvm-46 release

Avi Kivity
2007-10-10T08:41:24Z

Jun Koi wrote:
> Hi,
>
> On 10/10/07, Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org> wrote:
>
>> We've now switched to allocating guest memory in userspace rather than
>> in the kernel. This is important if you have a mainframe, but also if
>> you want to share memory between guests and implement nice features like
>> swapping.
>>
>
> This is interesting! But how can we do that now? (share memory between guests)
>
>

It's not exposed by qemu, but you can now mmap() some file (or use SysV
shared memory) and use that as guest memory.

--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.