Re: [PATCH v4 2/7] hyperv: SVM enlightened TLB flush support flag

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On Tue, Apr 27, 2021 at 08:54:51PM +0000, Vineeth Pillai wrote:
> Bit 22 of HYPERV_CPUID_FEATURES.EDX is specific to SVM and specifies
> support for enlightened TLB flush. With this enlightenment enabled,
> ASID invalidations flushes only gva->hpa entries. To flush TLB entries
> derived from NPT, hypercalls should be used
> (HvFlushGuestPhysicalAddressSpace or HvFlushGuestPhysicalAddressList)
> 
> Signed-off-by: Vineeth Pillai <viremana@xxxxxxxxxxxxxxxxxxx>

Acked-by: Wei Liu <wei.liu@xxxxxxxxxx>



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