Messages in this thread |  | | | Date | Tue, 24 Jul 2007 08:22:53 +0300 | | From | Avi Kivity <> | | Subject | Re: [RFC 0/8]KVM: swap out guest pages |
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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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