Re: [Xen-devel] [PATCH v4 3/3] x86/hyperv: L0 assisted TLB flush

["Durrant, Paul" <pdurrant@xxxxxxxxxxxx>]

> -----Original Message-----
> From: Wei Liu <wei.liu.xen@xxxxxxxxx> On Behalf Of Wei Liu
> Sent: 19 February 2020 11:44
> To: Xen Development List <xen-devel@xxxxxxxxxxxxxxxxxxxx>
> Cc: Michael Kelley <mikelley@xxxxxxxxxxxxx>; Durrant, Paul
> <pdurrant@xxxxxxxxxxxx>; Wei Liu <liuwe@xxxxxxxxxxxxx>; Wei Liu
> <wl@xxxxxxx>; Jan Beulich <jbeulich@xxxxxxxx>; Andrew Cooper
> <andrew.cooper3@xxxxxxxxxx>; Roger Pau Monné <roger.pau@xxxxxxxxxx>
> Subject: [PATCH v4 3/3] x86/hyperv: L0 assisted TLB flush
> 
> Implement L0 assisted TLB flush for Xen on Hyper-V. It takes advantage
> of several hypercalls:
> 
>  * HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST
>  * HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX
>  * HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE
>  * HVCALL_FLUSH_VIRTUAL_ADDRESS_SPACE_EX
> 
> Pick the most efficient hypercalls available.
> 
> Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>

Reviewed-by: Paul Durrant <pdurrant@xxxxxxxxxx>

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