Re: [Xen-devel] [PATCH] x86/hvm/viridian: fix the TLB flush hypercall

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 16/03/16 13:31, Jan Beulich wrote:
>
> That said, I now wonder anyway why this is a per-vCPU mask
> instead of a per-pCPU one: There's no need for every vCPU in
> the system to have its own afaics.

If every vcpu makes a viridian hypercall at the same time, Xen would end
up clobbering same mask while trying to serve the hypercalls.

~Andrew

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