From: Gerd Hoffmann <kraxel@redhat.com>
To: Sergio Lopez <slp@redhat.com>
Cc: ehabkost@redhat.com, maran.wilson@oracle.com, mst@redhat.com,
qemu-devel@nongnu.org, pbonzini@redhat.com, rth@twiddle.net
Subject: Re: [Qemu-devel] [PATCH v2 2/4] hw/i386: Add an Intel MPTable generator
Date: Tue, 2 Jul 2019 11:33:36 +0200 [thread overview]
Message-ID: <20190702093336.zzrzgdg775ca7ptx@sirius.home.kraxel.org> (raw)
In-Reply-To: <87a7dwygqw.fsf@redhat.com>
On Tue, Jul 02, 2019 at 10:37:11AM +0200, Sergio Lopez wrote:
>
> Gerd Hoffmann <kraxel@redhat.com> writes:
>
> > On Mon, Jul 01, 2019 at 04:47:03PM +0200, Sergio Lopez wrote:
> >> Add a helper function (mptable_generate) for generating an Intel
> >> MPTable according to version 1.4 of the specification.
> >>
> >> This is needed for the microvm machine type implementation.
> >
> > Firmware should do this IMHO (qboot or seabios).
>
> Microvm does a number of things that are typically done by the firmware,
> as a way to reduce boot time.
Whenever the firmware or qemu does the initialization shouldn't make
that much of a difference. Firmware needs to fetch stuff from fw_cfg,
which shouldn't be much overhead when using dma mode.
cheers,
Gerd
next prev parent reply other threads:[~2019-07-02 9:35 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-01 14:47 [Qemu-devel] [PATCH v2 0/4] Introduce the microvm machine type Sergio Lopez
2019-07-01 14:47 ` [Qemu-devel] [PATCH v2 1/4] hw/virtio: Factorize virtio-mmio headers Sergio Lopez
2019-07-01 14:47 ` [Qemu-devel] [PATCH v2 2/4] hw/i386: Add an Intel MPTable generator Sergio Lopez
2019-07-02 8:02 ` Gerd Hoffmann
2019-07-02 8:37 ` Sergio Lopez
2019-07-02 9:33 ` Gerd Hoffmann [this message]
2019-07-01 14:47 ` [Qemu-devel] [PATCH v2 3/4] hw/i386: Factorize PVH related functions Sergio Lopez
2019-07-01 14:47 ` [Qemu-devel] [PATCH v2 4/4] hw/i386: Introduce the microvm machine type Sergio Lopez
2019-07-02 8:17 ` Gerd Hoffmann
2019-07-02 8:42 ` Sergio Lopez
2019-07-02 10:16 ` Gerd Hoffmann
2019-07-02 10:52 ` Sergio Lopez
2019-07-02 11:50 ` Gerd Hoffmann
2019-07-02 14:06 ` Paolo Bonzini
2019-07-02 14:41 ` Sergio Lopez
2019-07-18 14:34 ` Sergio Lopez
2019-07-18 15:48 ` Paolo Bonzini
2019-07-19 10:30 ` Sergio Lopez
2019-07-19 11:49 ` Paolo Bonzini
2019-07-02 8:19 ` Stefano Garzarella
2019-07-02 8:47 ` Sergio Lopez
2019-07-02 10:37 ` Paolo Bonzini
2019-07-02 11:16 ` Sergio Lopez
2019-07-01 18:32 ` [Qemu-devel] [PATCH v2 0/4] " no-reply
2019-07-01 19:06 ` no-reply
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