From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Avi Kivity <avi@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] vga-pci and MMIO BAR
Date: Wed, 25 Jul 2012 23:41:52 +1000 [thread overview]
Message-ID: <1343223712.3715.50.camel@pasglop> (raw)
In-Reply-To: <500FEB07.5010009@redhat.com>
On Wed, 2012-07-25 at 15:48 +0300, Avi Kivity wrote:
> >> If not, we can add a second BAR, but it should disappear when running an
> >> older machine type.
> >
> > Well, the IO ports in legacy space are still there. We can also make the
> > "register BAR" exist in both mode or we can add a second BAR and have
> > x86 "prefer" IO... whatever rocks your boat as long as it's a BAR, it's
> > the legacy hole that's annoying for me :-)
>
> A guest created with -M old must look exactly the same as it did in an
> older version of qemu, no extra BARs.
Why ? Who cares ? Especially with vga -std which nobody uses in practice
on x86...
Cheers,
Ben.
next prev parent reply other threads:[~2012-07-25 13:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-25 3:57 [Qemu-devel] vga-pci and MMIO BAR Benjamin Herrenschmidt
2012-07-25 10:27 ` Avi Kivity
2012-07-25 10:53 ` Benjamin Herrenschmidt
2012-07-25 12:48 ` Avi Kivity
2012-07-25 13:41 ` Benjamin Herrenschmidt [this message]
2012-07-25 13:59 ` Avi Kivity
2012-07-25 22:01 ` Benjamin Herrenschmidt
2012-07-26 0:22 ` Benjamin Herrenschmidt
2012-07-26 1:08 ` Anthony Liguori
2012-07-26 1:18 ` Benjamin Herrenschmidt
2012-08-06 12:03 ` Gerd Hoffmann
2012-08-06 21:07 ` Benjamin Herrenschmidt
2012-08-10 15:27 ` Alon Levy
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