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SubjectRe: [RFC PATCH v5 0/4] x86: Add the support of ACRN guest under x86
On Wed, 24 Apr 2019, Zhao Yakui wrote:

> ACRN is a flexible, lightweight reference hypervisor, built with real-time
> and safety-criticality in mind, optimized to streamline embedded development
> through an open source platform. It is built for embedded IOT with small
> footprint and real-time features. More details can be found
> in
> This is the patch set that allows the Linux to work on ACRN hypervisor and it can
> work with the following patch set to manage the Linux guest on ACRN hypervisor. It
> includes the detection of ACRN hypervisor, upcall notification vector from
> hypervisor, hypercall. The hypervisor detection is similar to Xen/VMWARE/Hyperv.
> ACRN also uses the upcall notification mechanism similar to that in Xen/Microsoft
> HyperV when it needs to send the notification to Linux OS. The hypercall provides
> the mechanism that can be used to query/configure the ACRN hypervisor by Linux guest.

Reviewed-by: Thomas Gleixner <>

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