Re: [Xen-devel] [PATCH] x86: rework hypercall argument translation area setup

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 21.02.13 at 13:57, Keir Fraser <keir.xen@xxxxxxxxx> wrote:
> On 21/02/2013 12:26, "Jan Beulich" <JBeulich@xxxxxxxx> wrote:
>> Are we concerned about the performance of guest GDT/LDT page
>> (un)mappings?
> 
> LDT must often change on guest process context switch? So I would think yes
> we do.

Linux doesn't normally use an LDT (i.e. only exotic processes
would have one of non-zero size).

Jan


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