RE: [Xen-ia64-devel] Question in vmx_fault.c

[tgingold@xxxxxxx]

Quoting "Xu, Anthony" <anthony.xu@xxxxxxxxx>:

> In theory, we should inject data_page_not_present,
> While seems data_page_not_present is more expense than dtlb_miss
> Data_page_not_present executes rsm psr.dt ( which is not needed for native
> linux) and ptc.l ( which is not needed in virtual environment).
>
> Current implementation can achieve a little better performance.
> Seems same thing happens to windows.

Ok, maybe this should be controlled by an optimization flag.

Tristan.

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