kvm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Marc Zyngier <maz@kernel.org>
To: Alexandru Elisei <alexandru.elisei@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org,
	kvmarm@lists.cs.columbia.edu, James Morse <james.morse@arm.com>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Eric Auger <eric.auger@redhat.com>,
	Hector Martin <marcan@marcan.st>,
	Mark Rutland <mark.rutland@arm.com>,
	kernel-team@android.com
Subject: Re: [PATCH v3 0/9] KVM: arm64: Initial host support for the Apple M1
Date: Wed, 12 May 2021 17:33:01 +0100	[thread overview]
Message-ID: <87im3noqte.wl-maz@kernel.org> (raw)
In-Reply-To: <3a21048a-a084-a884-7a3d-9b283f8b15ed@arm.com>

Hi Alex,

On Wed, 12 May 2021 17:22:43 +0100,
Alexandru Elisei <alexandru.elisei@arm.com> wrote:
> 
> Hi Marc,
> 
> On 5/10/21 2:48 PM, Marc Zyngier wrote:
> > This is a new version of the series previously posted at [2], reworking
> > the vGIC and timer code to cope with the M1 braindead^Wamusing nature.
> >
> > Hardly any change this time around, mostly rebased on top of upstream
> > now that the dependencies have made it in.
> >
> > Tested with multiple concurrent VMs running from an initramfs.
> >
> > * From v2:
> >   - Rebased on 5.13-rc1
> >   - Fixed a couple of nits in the GIC registration code
> >
> > * From v1 [1]:
> >   - Rebased on Hector's v4 posting[0]
> >   - Dropped a couple of patches that have been merged in the above series
> >   - Fixed irq_ack callback on the timer path
> >
> > [0] https://lore.kernel.org/r/20210402090542.131194-1-marcan@marcan.st
> > [1] https://lore.kernel.org/r/20210316174617.173033-1-maz@kernel.org
> > [2] https://lore.kernel.org/r/20210403112931.1043452-1-maz@kernel.org
> 
> This looks interesting and I want to take a look. For now, I can
> only review the series, but maybe at some point I'll take the leap
> and try to run Linux on my Macbook Air.

It is a bit involved at the moment, and I haven't tried on a laptop
(the nice thing about the Mini is that you can bury it under a pile of
other machines and still make use of it).

> Can I find something resembling a specification for the Apple
> interrupt controller, or the only available documentation is in the
> Linux driver and patches on the mailing list?

The Asahi wiki has a bunch of RE goodies, but you really don't need to
know much about the HW to follow what this series does. Actually, you
instead need to understand what the GIC guarantees to the guest,
because this is all about the GIC emulation on a non-GIC interrupt
controller.

Thanks,

	M.

-- 
Without deviation from the norm, progress is not possible.

      reply	other threads:[~2021-05-12 17:41 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-10 13:48 Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 1/9] irqchip/gic: Split vGIC probing information from the GIC code Marc Zyngier
2021-05-18 16:51   ` Alexandru Elisei
2021-05-10 13:48 ` [PATCH v3 2/9] KVM: arm64: Handle physical FIQ as an IRQ while running a guest Marc Zyngier
2021-05-20 17:46   ` Alexandru Elisei
2021-05-10 13:48 ` [PATCH v3 3/9] KVM: arm64: vgic: Be tolerant to the lack of maintenance interrupt Marc Zyngier
2021-05-10 16:19   ` Mark Rutland
2021-05-10 17:44     ` Marc Zyngier
2021-05-11 11:13       ` Mark Rutland
2021-05-10 13:48 ` [PATCH v3 4/9] KVM: arm64: vgic: Let an interrupt controller advertise lack of HW deactivation Marc Zyngier
2021-05-21 17:01   ` Alexandru Elisei
2021-05-24 17:17     ` Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 5/9] KVM: arm64: vgic: move irq->get_input_level into an ops structure Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 6/9] KVM: arm64: vgic: Implement SW-driven deactivation Marc Zyngier
2021-05-24 16:53   ` Alexandru Elisei
2021-05-24 17:43     ` Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 7/9] KVM: arm64: timer: Refactor IRQ configuration Marc Zyngier
2021-05-14 12:46   ` Zenghui Yu
2021-05-24 17:48     ` Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 8/9] KVM: arm64: timer: Add support for SW-based deactivation Marc Zyngier
2021-05-10 13:48 ` [PATCH v3 9/9] irqchip/apple-aic: Advertise some level of vGICv3 compatibility Marc Zyngier
2021-05-12 16:22 ` [PATCH v3 0/9] KVM: arm64: Initial host support for the Apple M1 Alexandru Elisei
2021-05-12 16:33   ` Marc Zyngier [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=87im3noqte.wl-maz@kernel.org \
    --to=maz@kernel.org \
    --cc=alexandru.elisei@arm.com \
    --cc=eric.auger@redhat.com \
    --cc=james.morse@arm.com \
    --cc=kernel-team@android.com \
    --cc=kvm@vger.kernel.org \
    --cc=kvmarm@lists.cs.columbia.edu \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=marcan@marcan.st \
    --cc=mark.rutland@arm.com \
    --cc=suzuki.poulose@arm.com \
    --subject='Re: [PATCH v3 0/9] KVM: arm64: Initial host support for the Apple M1' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).