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Re: [Qemu-devel] Dropped CPU feature names and backward compatibility

From: Eduardo Habkost
Subject: Re: [Qemu-devel] Dropped CPU feature names and backward compatibility
Date: Tue, 18 Sep 2018 11:22:21 -0300
User-agent: Mutt/1.9.2 (2017-12-15)

On Tue, Sep 18, 2018 at 04:02:54PM +0200, Paolo Bonzini wrote:
> On 18/09/2018 15:14, Eduardo Habkost wrote:
> > If it broke something, we should restore the option names and
> > declare them as deprecated.
> I think in this particular case it's okay to add them back as no-ops,
> especially we'd actually want them to be customizable for user-mode
> emulation.

We can make the flag work on user-mode emulation, but I wouldn't
like to keep QEMU silent if the option was explicitly set in the
command-line in system emulation, because it means the user or
some software component is really confused and trying to do
something that is never going to work.


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