Re: [Xen-devel] How to share memory with kernel and hypervisor?

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Thu, Dec 08, 2011 at 03:32:12AM +0900, DcMichael wrote:
> Hi!
> I'm first in here.
> anyway I want to make kernel and hypervisor share there memory.
> which the kernal write memory, then hypervisor can read it.
> without any function like copy_from_user.
> 
> I'll use this memory very many time, so I want share memory like shmget.
> but using ring use push function every time.

Why would you want to do this? Maybe a better question is - what
is your goal.
> 
> can I share memory like this way?

Sure.. You would have to setup the hypervisor to have a pagetable entry
for the physical page.
> 
> 
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