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Re: [Xen-devel] [tip:x86/platform] x86/hyper-v: Use hypercall for remote TLB flush

On Fri, Aug 11, 2017 at 02:46:41PM +0200, Juergen Gross wrote:
> Aah, okay. Now I understand the problem. The TLB isn't the issue but the
> IPI is serving two purposes here: TLB flushing (which is allowed to
> happen at any time) and serialization regarding access to critical pages
> (which seems to be broken in the Xen case as you suggest).

Indeed, and now hyper-v as well.

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