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Re: [Qemu-devel] MTTCG memory ordering
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] MTTCG memory ordering |
Date: |
Wed, 12 Oct 2016 17:17:36 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.4.0 |
On 10/12/16 10:58, Stefan Hajnoczi wrote:
> Hi Pranith,
> I was curious about the status of your MTTCG GSoC work:
>
> I saw your fence series which implements the noop memory barrier/fence
> instructions on various architectures, but I wasn't sure if that also
> covers the case where a strong target is emulated on a weak host.
>
> Did you make TCG automatically emit barriers so stronger targets (x86)
> run correctly on weaker targets (ARM)?
(Testing that might run into other problems:
<https://bugs.launchpad.net/qemu/+bug/893208/>)