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From: Peter Maydell <peter.maydell@linaro.org>
Date: Wed, 30 Sep 2015 12:13:29 +0100
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Subject: Re: [Qemu-devel] [PATCH v4 4/5] acpi: arm: add fw_cfg device node
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To: Laszlo Ersek <lersek@redhat.com>
Cc: Andrew Jones <drjones@redhat.com>, Matt Fleming <matt.fleming@intel.com>, Eduardo Habkost <ehabkost@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, "Gabriel L. Somlo" <somlo@cmu.edu>, Ard Biesheuvel <ard.biesheuvel@linaro.org>, QEMU Developers <qemu-devel@nongnu.org>, Leif Lindholm <leif.lindholm@linaro.org>, Paolo Bonzini <pbonzini@redhat.com>, Gerd Hoffmann <kraxel@redhat.com>, Shannon Zhao <zhaoshenglong@huawei.com>, Igor Mammedov <imammedo@redhat.com>, =?UTF-8?Q?Marc_Mar=C3=AD?= <markmb@redhat.com>, Kevin OConnor <kevin@koconnor.net>, Richard Henderson <rth@twiddle.net>

On 30 September 2015 at 11:21, Laszlo Ersek <lersek@redhat.com> wrote:
> However: if Gabriel has no access to actual aarch64 hardware (ie. cannot
> run KVM guests), then I don't think he should bother. Booting just the
> UEFI firmware on qemu-system-aarch64 with TCG acceleration is fine, but
> for checking "/proc/iomem", he'd really need to boot into guest Linux,
> and *that* takes absolutely forever with TCG.

If it actually takes forever that's a bug of some sort I think.
TCG isn't all that snappy but it shouldn't take more than a few
minutes to boot and it should be at least usably responsive on
the command line once you get there. (Best not to try to boot
into a GUI, though.)

-- PMM