Re: [PATCH/RFC 0/4] dma ops and virtio

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On Thu, 5 Nov 2015 09:11:06 +0100
Cornelia Huck <cornelia.huck@xxxxxxxxxx> wrote:

> On Wed, 4 Nov 2015 10:14:11 -0800
> Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> 
> > On Wed, Nov 4, 2015 at 9:52 AM, Cornelia Huck <cornelia.huck@xxxxxxxxxx> wrote:
> > > On Wed, 4 Nov 2015 15:29:23 +0100
> > > Cornelia Huck <cornelia.huck@xxxxxxxxxx> wrote:
> > >
> > >> I'm currently suspecting some endianness issues, probably with the ecw
> > >> accesses, which is why I'd be interested in your trace information (as
> > >> I currently don't have a LE test setup at hand.)
> > >
> > > I think I've got it. We have sense_data as a byte array, which
> > > implicitly makes it BE already. When we copy to the ecws while building
> > > the irb, the data ends up in 32 bit values. The conversion from host
> > > endianness to BE now treats them as LE on your system...
> > >
> > > Could you please give the following qemu patch a try?
> > 
> > Tested-by: Andy Lutomirski <luto@xxxxxxxxxx>
> > 
> > Now my test script panics for the right reason (init isn't actually an
> > s390 binary).  Thanks!
> 
> Cool, thanks for testing! I'll get this into qemu as a proper patch.

FYI: The patch has been included into the qemu git tree.

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