Rusty Russell wrote:
> It sounds fine to me, although I'd like to see the patch. I don't have
> anything against higher-level abstractions, if it helps any hypervisor,
> as long as it doesn't warp the kernel code. And if most hypervisors and
> native break it down the same way, well, we can always create helpers.
>
Doing it this way does save a lot of complexity in the Xen case, which
would otherwise have to:
1. unpack the descriptor
2. if it's an LDT, save it off in a per-cpu structure
3. when load_ldt_desc is called, look up the structure, extract the
base+size of the ldt, and make a hypercall to set the ldt
vs
1. set the ldt
J
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