Messages in this thread | | | Subject | Re: [PATCH] KVM: VMX: invalidate vpid for invlpg instruction | From | Davidlohr Bueso <> | Date | Mon, 03 Sep 2012 01:27:20 +0200 |
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On Fri, 2012-08-31 at 14:37 -0300, Marcelo Tosatti wrote: > On Fri, Aug 31, 2012 at 06:10:48PM +0200, Davidlohr Bueso wrote: > > For processors that support VPIDs we should invalidate the page table entry > > specified by the lineal address. For this purpose add support for individual > > address invalidations. > > Not necessary - a single context invalidation is performed through > KVM_REQ_TLB_FLUSH.
Since vpid_sync_context() supports both single and all-context vpid invalidations, wouldn't it make sense to also add individual address ones as well, supporting further granularity?
> > Single-context. If the INVVPID type is 1, the logical processor > invalidates all > linear mappings and combined mappings associated with the VPID specified > in the INVVPID descriptor. > >
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