Re: Impact of dropping QEMU emulation on 32-bit hosts ? (~Fedora 33)

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Sep 27, 2019 at 10:53:32AM -0400, Neal Gompa wrote:
> On Fri, Sep 27, 2019 at 8:30 AM Daniel P. Berrangé <berrange@xxxxxxxxxx> wrote:
> >
> > On Fri, Sep 27, 2019 at 01:26:09PM +0200, Jun Aruga wrote:
> > > > Does anyone know of, or have, any critical/important use cases that would
> > > be disrupted by QEMU dropping 32-bit *host* support ? If so, let me know
> > > here & I can forward feedback on. Or feel free to go direct to QEMU thread
> > > upstream.
> > >
> > > I am not a real user of ARM 32-bit. I just checked information for ARM
> > > 32-bit (armv7) use cases.
> > >
> > > ## Raspberry Pi
> > >
> > > > https://en.wikipedia.org/wiki/Raspberry_Pi
> > > > The earlier V1.1 model of the Raspberry Pi 2 used a Broadcom BCM2836 SoC with a 900 MHz 32-bit, quad-core ARM Cortex-A7 processor, with 256 KB shared L2 cache.
> > > >
> > > > https://www.raspberrypi.org/blog/raspberry-pi-2-on-sale/
> > >
> > > It seems that the version 1.1 is the last model for 32-bit, and the
> > > announcement was 5 August 2015.
> > > I assume a considerable number of people using ARM 32-bit Raspberry Pi.
> >
> > Right, but I'm rather sceptical that people are running QEMU on the
> > 32-bit RPi boards. I might be less surprised about the Linux userspace
> > emulation being used, vs full VM, since the former is lower overhead.
> >
> >
> 
> Sorry to burst your bubble, but since the Raspberry Pi performs quite
> badly as a 64-bit device for the moment, I've used it with Fedora
> armv7hl instead of aarch64. I personally use the user emulation
> mostly, but I know of a couple of cases where system emulation is used
> (mainly for buildsys stuff).

Interesting, is there a particular reason why you run the emulation on
a Pi, as opposed to using more powerful x86 hardware for it ?  I'm not
saying you're wrong todo this, just trying to understand the motivation
people have.

Regards,
Daniel
-- 
|: https://berrange.com      -o-    https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org         -o-            https://fstop138.berrange.com :|
|: https://entangle-photo.org    -o-    https://www.instagram.com/dberrange :|
_______________________________________________
devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx
To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/
List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines
List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx




[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Fedora Announce]     [Fedora Users]     [Fedora Kernel]     [Fedora Testing]     [Fedora Formulas]     [Fedora PHP Devel]     [Kernel Development]     [Fedora Legacy]     [Fedora Maintainers]     [Fedora Desktop]     [PAM]     [Red Hat Development]     [Gimp]     [Yosemite News]

  Powered by Linux