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Message-ID: <20210222102054.7ktopdg2jcao7itz@liuwe-devbox-debian-v2> Date: Mon, 22 Feb 2021 10:20:54 +0000 From: Wei Liu <wei.liu@...nel.org> To: Michael Kelley <mikelley@...rosoft.com> Cc: will@...nel.org, catalin.marinas@....com, mark.rutland@....com, linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, linux-hyperv@...r.kernel.org, linux-efi@...r.kernel.org, arnd@...db.de, wei.liu@...nel.org, ardb@...nel.org, daniel.lezcano@...aro.org, kys@...rosoft.com Subject: Re: [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: > > docs.microsoft.com/en-us/virtualization/hyper-v-on-windows/reference/tlfs > > 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 <mikelley@...rosoft.com> Reviewed-by: Wei Liu <wei.liu@...nel.org>
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