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From: Gerd Hoffmann <kraxel@redhat.com>
Date: Mon, 22 Feb 2016 15:26:56 +0100
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Subject: Re: [Qemu-devel] [PATCH RFC] fw-cfg: support writeable blobs
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To: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, Eduardo Habkost <ehabkost@redhat.com>, Igor Mammedov <imammedo@redhat.com>, qemu-devel@nongnu.org, Michael Walle <michael@walle.cc>, Kevin O'Connor <kevin@koconnor.net>, qemu-arm@nongnu.org, Shannon Zhao <zhaoshenglong@huawei.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <rth@twiddle.net>

On Mo, 2016-02-22 at 14:41 +0200, Michael S. Tsirkin wrote:
> Useful to send guest data back to QEMU.

Use case?

cheers,
  Gerd