From: "Michael S. Tsirkin" <mst@redhat.com>
To: Gerd Hoffmann <kraxel@redhat.com>
Cc: Eduardo Habkost <ehabkost@redhat.com>,
Sergio Lopez <slp@redhat.com>,
qemu-devel@nongnu.org, Paolo Bonzini <pbonzini@redhat.com>,
Igor Mammedov <imammedo@redhat.com>,
Richard Henderson <rth@twiddle.net>
Subject: Re: [PATCH 00/13] microvm: add acpi support
Date: Mon, 23 Mar 2020 06:51:10 -0400 [thread overview]
Message-ID: <20200323065050-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20200319080117.7725-1-kraxel@redhat.com>
On Thu, Mar 19, 2020 at 09:01:04AM +0100, Gerd Hoffmann wrote:
> I know that not supporting ACPI in microvm is intentional. If you still
> don't want ACPI this is perfectly fine, you can use the usual -no-acpi
> switch to toggle ACPI support.
>
> These are the advantages you are going to loose then:
>
> (1) virtio-mmio device discovery without command line hacks (tweaking
> the command line is a problem when not using direct kernel boot).
> (2) Better IO-APIC support, we can use IRQ lines 16-23.
> (3) ACPI power button (aka powerdown request) works.
> (4) machine poweroff (aka S5 state) works.
What is the cost though? How do boot times compare?
> Together with seabios patches for virtio-mmio support this allows to
> boot standard fedora images (cloud, coreos, workstation live) with the
> microvm machine type.
>
> cheers,
> Gerd
>
> Gerd Hoffmann (13):
> acpi: make build_madt() more generic.
> acpi: factor out acpi_dsdt_add_fw_cfg()
> microvm: add isa-acpi device
> microvm: add minimal acpi support.
> microvm: add acpi_dsdt_add_virtio() for x86
> microvm: disable virtio-mmio cmdline hack
> [testing] seabios: update submodule to experimental microvm branch
> [testing] seabios: update config & build rules
> [testing] seabios: update binaries to experimental microvm branch
> microvm/acpi: add rtc
> microvm/acpi: add serial
> microvm: make virtio irq base runtime configurable
> microvm/acpi: use GSI 16-23 for virtio
>
> include/hw/i386/microvm.h | 8 +-
> hw/acpi/isa-acpi.c | 114 +++++++++++++++
> hw/i386/acpi-build.c | 278 +++++++++++++++++++++++++++++-------
> hw/i386/microvm.c | 32 +++--
> hw/acpi/Makefile.objs | 1 +
> pc-bios/bios-256k.bin | Bin 262144 -> 262144 bytes
> pc-bios/bios-microvm.bin | Bin 65536 -> 131072 bytes
> pc-bios/bios.bin | Bin 131072 -> 131072 bytes
> roms/Makefile | 5 +-
> roms/config.seabios-128k | 2 +
> roms/config.seabios-microvm | 25 ++++
> roms/seabios | 2 +-
> 12 files changed, 403 insertions(+), 64 deletions(-)
> create mode 100644 hw/acpi/isa-acpi.c
> create mode 100644 roms/config.seabios-microvm
>
> --
> 2.18.2
next prev parent reply other threads:[~2020-03-23 10:52 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-19 8:01 [PATCH 00/13] microvm: add acpi support Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 01/13] acpi: make build_madt() more generic Gerd Hoffmann
2020-03-19 9:34 ` Philippe Mathieu-Daudé
2020-03-19 8:01 ` [PATCH 02/13] acpi: factor out acpi_dsdt_add_fw_cfg() Gerd Hoffmann
2020-03-19 9:36 ` Philippe Mathieu-Daudé
2020-03-19 12:16 ` Igor Mammedov
2020-03-19 8:01 ` [PATCH 03/13] microvm: add isa-acpi device Gerd Hoffmann
2020-03-19 13:42 ` Igor Mammedov
2020-03-20 8:22 ` Gerd Hoffmann
2020-03-20 14:54 ` Igor Mammedov
2020-03-19 8:01 ` [PATCH 04/13] microvm: add minimal acpi support Gerd Hoffmann
2020-03-19 14:00 ` Igor Mammedov
2020-03-25 9:04 ` Gerd Hoffmann
2020-03-25 18:59 ` Igor Mammedov
2020-03-19 8:01 ` [PATCH 05/13] microvm: add acpi_dsdt_add_virtio() for x86 Gerd Hoffmann
2020-03-19 14:30 ` Igor Mammedov
2020-03-20 8:19 ` Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 06/13] microvm: disable virtio-mmio cmdline hack Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 07/13] [testing] seabios: update submodule to experimental microvm branch Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 08/13] [testing] seabios: update config & build rules Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 09/13] [testing] seabios: update binaries to experimental microvm branch Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 10/13] microvm/acpi: add rtc Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 11/13] microvm/acpi: add serial Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 12/13] microvm: make virtio irq base runtime configurable Gerd Hoffmann
2020-03-19 8:01 ` [PATCH 13/13] microvm/acpi: use GSI 16-23 for virtio Gerd Hoffmann
2020-03-20 15:30 ` Konrad Rzeszutek Wilk
2020-03-23 10:23 ` Gerd Hoffmann
2020-03-19 8:19 ` [PATCH 00/13] microvm: add acpi support no-reply
2020-03-19 8:23 ` no-reply
2020-03-19 8:24 ` no-reply
2020-03-19 8:49 ` Paolo Bonzini
2020-03-19 9:33 ` Gerd Hoffmann
2020-03-19 9:59 ` Paolo Bonzini
2020-03-19 11:28 ` Gerd Hoffmann
2020-03-19 13:40 ` Gerd Hoffmann
2020-03-19 17:34 ` Paolo Bonzini
2020-03-20 8:32 ` Gerd Hoffmann
2020-03-20 10:41 ` Paolo Bonzini
2020-03-23 10:51 ` Michael S. Tsirkin [this message]
2020-03-23 12:09 ` Gerd Hoffmann
2020-03-23 12:16 ` Igor Mammedov
2020-03-25 9:16 ` Gerd Hoffmann
2020-03-25 9:53 ` Igor Mammedov
2020-03-25 18:56 ` Igor Mammedov
2020-03-25 12:32 ` Igor Mammedov
2020-03-25 15:03 ` Gerd Hoffmann
2020-03-25 18:44 ` Igor Mammedov
2020-03-26 7:33 ` Michael S. Tsirkin
2020-03-26 10:59 ` Igor Mammedov
2020-03-27 12:06 ` Gerd Hoffmann
2020-03-27 14:05 ` Igor Mammedov
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=20200323065050-mutt-send-email-mst@kernel.org \
--to=mst@redhat.com \
--cc=ehabkost@redhat.com \
--cc=imammedo@redhat.com \
--cc=kraxel@redhat.com \
--cc=pbonzini@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=rth@twiddle.net \
--cc=slp@redhat.com \
/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
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
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).