Jeff Dike wrote:
> On Mon, Jul 23, 2007 at 01:27:40PM +0300, Avi Kivity wrote:
>
>> Having an address_space (like your patch does) is remarkably simple, and
>> requires few hooks from the current vm. However using existing vmas
>> mapped by the user has many advantages:
>>
>
> It's also needed for a SKAS-like UML client, where the host side will
> need to make system calls on behalf of the guest.
>
>
Even in the current model, guest physical memory is mmap()ed into host
userspace. The kernel cannot enforce this, however.
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
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