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Re: QEMU 6.2.0 and rhbz#1999878


From: Richard W.M. Jones
Subject: Re: QEMU 6.2.0 and rhbz#1999878
Date: Fri, 3 Dec 2021 21:03:25 +0000
User-agent: Mutt/1.5.21 (2010-09-15)

On Fri, Dec 03, 2021 at 05:35:41PM -0300, Eduardo Lima wrote:
> 
> 
> On Fri, Dec 3, 2021 at 4:37 PM Richard W.M. Jones <rjones@redhat.com> wrote:
> 
>     On Fri, Dec 03, 2021 at 04:20:23PM -0300, Eduardo Lima wrote:
>     > Hi Rich,
>     >
>     > Can you confirm if the patch you added for qemu in Fedora has still not
>     been
>     > merged upstream? I could not find it on the git source tree.
>     >
>     > +Patch2: 0001-tcg-arm-Reduce-vector-alignment-requirement-for-NEON.patch
>     > +From 1331e4eec016a295949009b4360c592401b089f7 Mon Sep 17 00:00:00 2001
>     > +From: Richard Henderson <richard.henderson@linaro.org>
>     > +Date: Sun, 12 Sep 2021 10:49:25 -0700
>     > +Subject: [PATCH] tcg/arm: Reduce vector alignment requirement for NEON
> 
>     https://bugzilla.redhat.com/show_bug.cgi?id=1999878
>     https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg01028.html
> 
>     The patch I posted wasn't correct (or meant to be), it was just a
>     workaround.  However I think you're right - I don't believe the
>     original problem was ever fixed.
>
> Yes, I saw that your original patch had been replaced by this new
> one I mentioned, so I thought it was the correct solution, but I
> could not find this new one on the repository as well.

Oh I see, it was indeed replaced by Richard Henderson's patch:

https://src.fedoraproject.org/rpms/qemu/blob/rawhide/f/0001-tcg-arm-Reduce-vector-alignment-requirement-for-NEON.patch

> At the moment I kept it as part of 6.2.0 build, which I am just about to push
> to rawhide. It builds locally, and I am only waiting for the scratch-build to
> finish.

Yes looks like we need to keep it, and get it upstream too.

Thanks,

Rich.

> https://koji.fedoraproject.org/koji/taskinfo?taskID=79556515
> 
> Thanks, Eduardo.
> 
>  
> 
> 
>     Let's see what upstreams says ...
> 
>     Rich.
> 
>     --
>     Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/
>     ~rjones
>     Read my programming and virtualization blog: http://rwmj.wordpress.com
>     virt-p2v converts physical machines to virtual machines.  Boot with a
>     live CD or over the network (PXE) and turn machines into KVM guests.
>     http://libguestfs.org/virt-v2v
> 
> 

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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