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Re: [PATCH 1/8] build-system: clean up TCG/TCI configury

From: Daniel P . Berrangé
Subject: Re: [PATCH 1/8] build-system: clean up TCG/TCI configury
Date: Thu, 7 Jan 2021 16:06:53 +0000
User-agent: Mutt/1.14.6 (2020-07-11)

On Thu, Jan 07, 2021 at 04:50:36PM +0100, Paolo Bonzini wrote:
> On 07/01/21 16:01, Peter Maydell wrote:
> > On Thu, 7 Jan 2021 at 14:03, Paolo Bonzini <pbonzini@redhat.com> wrote:
> > > 
> > > Make CONFIG_TCG_INTERPRETER a Meson option, and enable TCI (though with
> > > a warning) if the host CPU is unsupported, making it more similar to
> > > other --enable-* options.
> > 
> > The current behaviour is kind of deliberate. Using the TCG
> > interpreter is a terrible idea and think it's better if we
> > don't let users end up using it without realising that they have.
> > (Personally I would vote to deprecate-and-delete TCI, and also
> > to just have configure error out on unknown host CPU architectures.)
> Fair enough, I can change this back of course.  The missing targets are
> parisc, ia64 and sh4 I guess.

ia64 is a dead host architecture and doesn't exist in any OS distro that
we target anymore, so I don't think we need to consider it.

Likewise parisc/hppa doesn't seem exist in Debian since Squeeze, so I
think we can rule that out too.

Only sh4 still seems to be supported in Debian. I expect the primary
need there is for sh4 guest support rather than sh4 host support.

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