From: Greg Kurz <gkurz@linux.vnet.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Peter Maydell <peter.maydell@linaro.org>,
Alexey Kardashevskiy <aik@ozlabs.ru>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Alexander Graf <agraf@suse.de>, Gerd Hoffmann <kraxel@redhat.com>,
Paolo Bonzini <pbonzini@redhat.com>
Subject: Re: [Qemu-devel] [RFC] qemu VGA endian swap low level drawing changes
Date: Tue, 17 Jun 2014 13:40:57 +0200 [thread overview]
Message-ID: <20140617134057.157e6acf@bahia.local> (raw)
In-Reply-To: <1402999758.7661.129.camel@pasglop>
On Tue, 17 Jun 2014 20:09:18 +1000
Benjamin Herrenschmidt <benh@kernel.crashing.org> wrote:
> On Tue, 2014-06-17 at 12:00 +0200, Greg Kurz wrote:
> > There has been a discussion already about virtio endianness: relying on
> > a guest system wide setting such as LPCR_ILE has been strongly rejected
> > at the time... The consensus for virtio is "device endianness is the
> > endianness of the CPU that does the reset" (hence MSR_LE for PPC).
>
> How on earth did anybody reach such a conclusion ? Of all the possible
> options I can think of this is the one that makes the *less* sense !
>
This conclusion was reached while discussing dump support where we
use LPCR_ILE, and I wanted to add a common helper to be used by
virtio. Please find the thread in the link below:
https://lists.nongnu.org/archive/html/qemu-devel/2014-05/msg00415.html
Can you elaborate on the "less sense" opinion please ?
> Cheers,
> Ben.
>
>
Thanks.
--
Gregory Kurz kurzgreg@fr.ibm.com
gkurz@linux.vnet.ibm.com
Software Engineer @ IBM/Meiosys http://www.ibm.com
Tel +33 (0)562 165 496
"Anarchy is about taking complete responsibility for yourself."
Alan Moore.
next prev parent reply other threads:[~2014-06-17 11:41 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-17 3:07 [Qemu-devel] [RFC] qemu VGA endian swap low level drawing changes Benjamin Herrenschmidt
2014-06-17 4:40 ` Paolo Bonzini
2014-06-17 4:59 ` Benjamin Herrenschmidt
2014-06-17 5:36 ` Paolo Bonzini
2014-06-17 6:06 ` Benjamin Herrenschmidt
2014-06-17 9:18 ` Alexey Kardashevskiy
2014-06-17 9:26 ` Alexander Graf
2014-06-17 10:00 ` Greg Kurz
2014-06-17 10:09 ` Benjamin Herrenschmidt
2014-06-17 10:19 ` Peter Maydell
2014-06-17 10:57 ` Benjamin Herrenschmidt
2014-06-17 11:40 ` Greg Kurz [this message]
2014-06-17 11:53 ` Benjamin Herrenschmidt
2014-06-17 12:05 ` Peter Maydell
2014-06-17 10:45 ` Gerd Hoffmann
2014-06-17 11:08 ` Peter Maydell
2014-06-17 11:24 ` Gerd Hoffmann
2014-06-17 11:42 ` Peter Maydell
2014-06-19 12:33 ` Gerd Hoffmann
2014-06-19 13:01 ` Paolo Bonzini
2014-06-17 11:15 ` Benjamin Herrenschmidt
2014-06-17 11:57 ` Gerd Hoffmann
2014-06-17 21:32 ` Benjamin Herrenschmidt
2014-06-17 22:12 ` Peter Maydell
2014-06-17 22:55 ` Benjamin Herrenschmidt
2014-06-17 23:05 ` Alexander Graf
2014-06-17 23:16 ` Benjamin Herrenschmidt
2014-06-18 11:18 ` Gerd Hoffmann
2014-06-18 13:03 ` Benjamin Herrenschmidt
2014-06-19 9:36 ` Gerd Hoffmann
2014-06-21 5:37 ` Benjamin Herrenschmidt
2014-06-22 2:10 ` Benjamin Herrenschmidt
2014-06-23 1:13 ` Benjamin Herrenschmidt
2014-06-30 11:14 ` Gerd Hoffmann
2014-06-30 12:32 ` Benjamin Herrenschmidt
2014-07-01 8:20 ` Gerd Hoffmann
2014-07-01 8:26 ` Alexander Graf
2014-07-01 8:31 ` Paolo Bonzini
2014-07-01 9:07 ` Gerd Hoffmann
2014-07-01 9:19 ` Paolo Bonzini
2014-07-01 11:15 ` Gerd Hoffmann
2014-07-01 11:23 ` Benjamin Herrenschmidt
2014-07-02 9:19 ` Benjamin Herrenschmidt
2014-07-02 9:21 ` Benjamin Herrenschmidt
2014-07-02 12:12 ` Gerd Hoffmann
2014-07-02 12:16 ` Benjamin Herrenschmidt
2014-07-06 2:19 ` Benjamin Herrenschmidt
2014-07-06 5:49 ` Benjamin Herrenschmidt
2014-07-06 6:46 ` Benjamin Herrenschmidt
2014-07-06 7:05 ` Benjamin Herrenschmidt
2014-07-06 7:22 ` Benjamin Herrenschmidt
2014-07-06 8:15 ` Benjamin Herrenschmidt
2014-07-06 10:13 ` Benjamin Herrenschmidt
2014-07-06 11:08 ` Alexander Graf
2014-07-06 11:13 ` Peter Maydell
2014-07-06 11:23 ` Benjamin Herrenschmidt
2014-07-06 13:09 ` Peter Maydell
2014-07-06 20:56 ` Benjamin Herrenschmidt
2014-07-07 0:08 ` Benjamin Herrenschmidt
2014-07-07 10:13 ` Gerd Hoffmann
2014-07-07 9:38 ` Gerd Hoffmann
2014-07-06 5:53 ` Benjamin Herrenschmidt
2014-07-01 12:06 ` Paolo Bonzini
2014-07-01 8:59 ` Gerd Hoffmann
2014-07-01 9:35 ` Benjamin Herrenschmidt
2014-07-01 9:33 ` Benjamin Herrenschmidt
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