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SubjectRe: [PATCH v8 1/6] arm64: hyperv: Add Hyper-V hypercall and register access utilities
On Thu, Feb 18, 2021 at 03:16:29PM -0800, Michael Kelley wrote:
> hyperv-tlfs.h defines Hyper-V interfaces from the Hyper-V Top Level
> Functional Spec (TLFS), and #includes the architecture-independent
> part of hyperv-tlfs.h in include/asm-generic. The published TLFS
> is distinctly oriented to x86/x64, so the ARM64-specific
> hyperv-tlfs.h includes information for ARM64 that is not yet formally
> published. The TLFS is available here:
> mshyperv.h defines Linux-specific structures and routines for
> interacting with Hyper-V on ARM64, and #includes the architecture-
> independent part of mshyperv.h in include/asm-generic.
> Use these definitions to provide utility functions to make
> Hyper-V hypercalls and to get and set Hyper-V provided
> registers associated with a virtual processor.
> Signed-off-by: Michael Kelley <>

Reviewed-by: Wei Liu <>

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