Re: [PATCH] abstract out bits of ldt.c

[Chris Wright <chrisw@osdl.org>]

* Andrew Morton (akpm@osdl.org) wrote:
> "Martin J. Bligh" <mbligh@mbligh.org> wrote:
> > xen_make_pages_readonly / xen_make_pages_writable ?
> 
> Well we don't want to assume "xen" at this stage.  We're faced with a
> choice at present: to make the linux->hypervisor interface be some
> xen-specific and xen-controlled thing, or to make it a more formal and
> controlled kernel interface which talks to a generic hypervisor rather than
> assuming it's Xen down there.

No, definietly not.  Xen is not appropriate global namespace.  Also,
it's not about pages at this point, it's about ldt handling.

> As long as it doesn't hamper performance or general code sanity, I think it
> would be better to make this a well-defined and controlled Linux interface.
> Some of the code to do that is starting to accumulate in -mm.  Everyone
> needs to sit down, take a look at the patches and the proposal and work out
> if this is the way to proceed.

We're doing that, but it's splintered and coming in from different angles.
It'd be better to get the story straight then submit patches, IMO.

thanks,
-chris