From: Mark Rutland <firstname.lastname@example.org>
To: Marc Zyngier <email@example.com>
Cc: Michael Kelley <firstname.lastname@example.org>,
email@example.com, firstname.lastname@example.org, email@example.com,
Subject: Re: [PATCH v11 0/5] Enable Linux guests on Hyper-V on ARM64
Date: Mon, 2 Aug 2021 17:28:56 +0100 [thread overview]
Message-ID: <20210802162856.GD59710@C02TD0UTHF1T.local> (raw)
On Mon, Aug 02, 2021 at 05:01:02PM +0100, Marc Zyngier wrote:
> On Tue, 20 Jul 2021 15:56:58 +0100,
> Michael Kelley <firstname.lastname@example.org> wrote:
> > This series enables Linux guests running on Hyper-V on ARM64
> > hardware. New ARM64-specific code in arch/arm64/hyperv initializes
> > Hyper-V and its hypercall mechanism. Existing architecture
> > independent drivers for Hyper-V's VMbus and synthetic devices just
> > work when built for ARM64. Hyper-V code is built and included in
> > the image and modules only if CONFIG_HYPERV is enabled.
> > The five patches are organized as follows:
> > 1) Add definitions and functions for making Hyper-V hypercalls
> > and getting/setting virtual processor registers provided by
> > Hyper-V
> > 2) Add the function needed by the arch independent VMbus driver
> > for reporting a panic to Hyper-V.
> > 3) Add Hyper-V initialization code and utility functions that
> > report Hyper-v status.
> > 4) Export screen_info so it may be used by the Hyper-V frame buffer
> > driver built as a module. It is already exported for x86,
> > powerpc, and alpha architectures.
> > 5) Make CONFIG_HYPERV selectable on ARM64 in addition to x86/x64.
> > Hyper-V on ARM64 runs with a 4 Kbyte page size, but allows guests
> > with 4K/16K/64K page size. Linux guests with this patch series
> > work with all three supported ARM64 page sizes.
> > The Hyper-V vPCI driver at drivers/pci/host/pci-hyperv.c has
> > x86/x64-specific code and is not being built for ARM64. Enabling
> > Hyper-V vPCI devices on ARM64 is in progress via a separate set
> > of patches.
> > This patch set is based on the linux-next20210720 code tree.
> > Changes in v11:
> > * Drop the previous Patch 1 as the fixes have already been
> > separately accepted upstream.
> > * Drop the previous Patch 3 for enabling Hyper-V enlightened
> > clocks/timers. Hyper-V is now offering the full ARM64
> > architectural Generic Timer in guest VMs, so the existing
> > arch_arch_timer.c driver just works. [Mark Rutland, Marc
> > Zyngier]
> Thanks for doing this. Assuming you fix the issue I mentioned in my
> reply to patch #3. FWIW:
> Acked-by: Marc Zyngier <email@example.com>
I've tried to provide concrete options for those. With those fixed up
Acked-by: Mark Rutland <firstname.lastname@example.org>
prev parent reply other threads:[~2021-08-02 16:29 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-20 14:56 [PATCH v11 0/5] Enable Linux guests on Hyper-V on ARM64 Michael Kelley
2021-07-20 14:56 ` [PATCH v11 1/5] arm64: hyperv: Add Hyper-V hypercall and register access utilities Michael Kelley
2021-07-20 14:57 ` [PATCH v11 2/5] arm64: hyperv: Add panic handler Michael Kelley
2021-07-21 14:54 ` Boqun Feng
2021-07-27 17:08 ` Sunil Muthuswamy
2021-07-20 14:57 ` [PATCH v11 3/5] arm64: hyperv: Initialize hypervisor on boot Michael Kelley
2021-07-21 14:55 ` Boqun Feng
2021-07-27 17:05 ` Sunil Muthuswamy
2021-08-02 15:55 ` Marc Zyngier
2021-08-02 16:26 ` Mark Rutland
2021-08-02 17:13 ` Michael Kelley
2021-07-20 14:57 ` [PATCH v11 4/5] arm64: efi: Export screen_info Michael Kelley
2021-07-20 14:57 ` [PATCH v11 5/5] Drivers: hv: Enable Hyper-V code to be built on ARM64 Michael Kelley
2021-07-21 14:52 ` Boqun Feng
2021-08-02 15:15 ` [PATCH v11 0/5] Enable Linux guests on Hyper-V " Michael Kelley
2021-08-02 16:01 ` Marc Zyngier
2021-08-02 16:28 ` Mark Rutland [this message]
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