Re: [PATCH v2] KVM: Avoid zapping unrelated shadows in __kvm_set_memory_region()

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On 04/14/2012 12:33 AM, Marcelo Tosatti wrote:
> mmio sptes are not related to any particular slot (by definition),
> i think you misunderstood the purpose of this flush. It handles
> 1) [start, end] gpa range unmapped.
> 2) mmio sptes are created that map this range.
> 3) a new slot is created. mmio sptes that map [start, end] range,
> which is now backed by new memslot should be removed.
> Perhaps there is an efficient way to clear all mmio sptes, or all
> mmio sptes pointing to [start, end] (instead of all sptes), here.

It shouldn't be too hard for direct maps.  For indirect maps, there is
now way to reach the spte, since we can't rmap mmio sptes.

error compiling committee.c: too many arguments to function

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