From: Gerd Hoffmann <kraxel@redhat.com>
To: Erlon Cruz <sombrafam@gmail.com>
Cc: "Avi Kivity" <avi@redhat.com>, "Alon Levy" <alevy@redhat.com>,
"Andreas Färber" <afaerber@suse.de>,
"Anthony Liguori" <anthony@codemonkey.ws>,
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] Cirrus bugs vs endian: how two bugs cancel each other out
Date: Thu, 09 Aug 2012 08:17:30 +0200 [thread overview]
Message-ID: <502355FA.1010708@redhat.com> (raw)
In-Reply-To: <CAF+CadvpWYtSz2LC8Ko7D8gUYC3Yfm=CW8dS+Mx3jQVxoO5mYw@mail.gmail.com>
Hi,
>> Maybe the guest driver places the qxl commands in native endian instead
>> of big endian into memory?
>
> The guest drivers places the commands in the memory in its native
> endianess. That why the device only works when guest/host has the same
> endianess. That's sanit-checks doesn't fails.
Ah, ok. this explains it. So we must fix red_parse_qxl.c to byteswap
and also the guest driver to byteswap. Then it will work even in case
guest and host have different endianess.
cheers,
Gerd
next prev parent reply other threads:[~2012-08-09 6:17 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-30 6:24 [Qemu-devel] Cirrus bugs vs endian: how two bugs cancel each other out Benjamin Herrenschmidt
2012-07-30 10:08 ` Avi Kivity
2012-07-30 11:20 ` Benjamin Herrenschmidt
2012-07-30 11:25 ` Avi Kivity
2012-07-30 11:54 ` Benjamin Herrenschmidt
2012-07-30 11:58 ` Avi Kivity
2012-07-30 12:08 ` Benjamin Herrenschmidt
2012-07-30 12:15 ` Avi Kivity
2012-07-30 12:23 ` Benjamin Herrenschmidt
2012-07-30 16:24 ` Alon Levy
2012-07-30 20:19 ` Anthony Liguori
2012-07-30 22:24 ` Benjamin Herrenschmidt
2012-07-31 8:10 ` Alon Levy
2012-08-01 14:35 ` Avi Kivity
2012-08-06 12:57 ` Gerd Hoffmann
2012-07-30 13:18 ` Anthony Liguori
2012-07-30 13:30 ` Avi Kivity
2012-07-30 13:45 ` Anthony Liguori
2012-07-30 13:55 ` Avi Kivity
2012-07-30 14:29 ` Anthony Liguori
2012-07-30 14:36 ` Avi Kivity
2012-07-30 16:01 ` Anthony Liguori
2012-07-30 23:47 ` Rusty Russell
2012-07-31 3:16 ` Benjamin Herrenschmidt
2012-08-06 14:02 ` Gerd Hoffmann
2012-08-06 21:13 ` Benjamin Herrenschmidt
2012-08-01 23:29 ` Andreas Färber
2012-08-06 13:47 ` Gerd Hoffmann
2012-08-06 14:35 ` Anthony Liguori
2012-07-31 8:20 ` Alon Levy
2012-07-30 22:15 ` Benjamin Herrenschmidt
2012-07-31 0:17 ` Anthony Liguori
2012-07-31 3:26 ` Benjamin Herrenschmidt
2012-08-06 13:20 ` Gerd Hoffmann
2012-08-06 21:16 ` Benjamin Herrenschmidt
2012-08-07 5:30 ` Gerd Hoffmann
2012-08-07 6:07 ` Benjamin Herrenschmidt
2012-07-30 16:19 ` Alon Levy
2012-08-01 15:42 ` Andreas Färber
2012-08-01 19:22 ` Anthony Liguori
2012-08-03 6:45 ` Alon Levy
2012-08-03 13:41 ` Anthony Liguori
2012-08-07 7:00 ` Alon Levy
2012-08-07 8:01 ` Gerd Hoffmann
2012-08-07 13:05 ` Erlon Cruz
2012-08-07 14:07 ` Gerd Hoffmann
2012-08-07 19:43 ` Erlon Cruz
2012-08-08 6:18 ` Gerd Hoffmann
2012-08-08 14:14 ` Erlon Cruz
2012-08-09 6:17 ` Gerd Hoffmann [this message]
2012-07-30 15:18 ` Blue Swirl
2012-07-30 15:30 ` Peter Maydell
2012-07-30 15:44 ` Blue Swirl
2012-07-31 8:44 ` ronnie sahlberg
2012-07-31 10:30 ` Benjamin Herrenschmidt
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