Re: [Xen-devel] [PATCH v3 2/3] x86/hyperv: skeleton for L0 assisted TLB flush

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

> -----Original Message-----
> From: Wei Liu <wei.liu.xen@xxxxxxxxx> On Behalf Of Wei Liu
> Sent: 17 February 2020 13:55
> To: Xen Development List <xen-devel@xxxxxxxxxxxxxxxxxxxx>
> Cc: Michael Kelley <mikelley@xxxxxxxxxxxxx>; Durrant, Paul
> <pdurrant@xxxxxxxxxxxx>; Wei Liu <liuwe@xxxxxxxxxxxxx>; Roger Pau Monné
> <roger.pau@xxxxxxxxxx>; Wei Liu <wl@xxxxxxx>; Jan Beulich
> <jbeulich@xxxxxxxx>; Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> Subject: [PATCH v3 2/3] x86/hyperv: skeleton for L0 assisted TLB flush
> 
> Implement a basic hook for L0 assisted TLB flush. The hook needs to
> check if prerequisites are met. If they are not met, it returns an error
> number to fall back to native flushes.
> 
> Introduce a new variable to indicate if hypercall page is ready.
> 
> Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>
> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>

Reviewed-by: Paul Durrant <pdurrant@xxxxxxxxxx>

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