Re: [Xen-devel] [PATCH v5 10/12] x86/hyperv: provide percpu hypercall input page

[Wei Liu <wl@xxxxxxx>]

On Thu, Jan 30, 2020 at 01:26:55PM +0100, Roger Pau Monné wrote:
> On Wed, Jan 29, 2020 at 08:20:32PM +0000, Wei Liu wrote:
> > Hyper-V's input / output argument must be 8 bytes aligned an not cross
> > page boundary. One way to satisfy those requirements is to use percpu
> > page.
> > 
> > For the foreseeable future we only need to provide input for TLB
> > and APIC hypercalls, so skip setting up an output page.
> > 
> > We will also need to provide an ap_setup hook for secondary cpus to
> > setup its own input page.
> > 
> > Signed-off-by: Wei Liu <liuwe@xxxxxxxxxxxxx>
> 
> Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
> 
> Just some nits below.
> 

All comments addressed.

Wei.

> 
> Thanks, Roger.

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