Re: [Xen-devel] [PATCH]: Make linux smarter about using batched

Keir Fraser wrote:
> We expose feature flag XENFEAT_mmu_pt_update_preserve_ad for this purpose,
> which means you do not need to attempt the hypercall even once. See
> http://xenbits.xensource.com/linux-2.6.18-xen.hg for example usage, in the
> very file and function you patch below.
> 

D'oh.  Should have looked at that tree more closely first....we didn't have it
in our tree, but now I see it there.  Thanks for the heads up.

Chris Lalancette

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