From: Paolo Bonzini <pbonzini@redhat.com>
To: "Marc Marí" <markmb@redhat.com>
Cc: "Gabriel L. Somlo" <gsomlo@gmail.com>,
Kevin O'Connor <kevin@koconnor.net>,
Laszlo Ersek <lersek@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH] Add optionrom compatible with fw_cfg DMA version
Date: Fri, 8 Jan 2016 17:09:39 +0100 [thread overview]
Message-ID: <568FDF43.8030200@redhat.com> (raw)
In-Reply-To: <20160108170551.304fe666@markmb_rh>
On 08/01/2016 17:05, Marc Marí wrote:
>> > Do you even need to go to 32-bit mode? The only reason to do so in
>> > the original ROM was to do a "rep insb" above 1 GB, but here fw_cfg
>> > can do DMA to high addresses for you.
> There's no need of course. I was looking at the original ROM and I did
> not think this through.
Nice, this should make the code much simpler!
Paolo
prev parent reply other threads:[~2016-01-08 16:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-08 14:58 [Qemu-devel] [PATCH] Add optionrom compatible with fw_cfg DMA version Marc Marí
2016-01-08 15:54 ` Paolo Bonzini
2016-01-08 16:05 ` Marc Marí
2016-01-08 16:09 ` Paolo Bonzini [this message]
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