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Re: [Qemu-trivial] [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not sho

From: Eduardo Habkost
Subject: Re: [Qemu-trivial] [Qemu-devel] [RFC PATCH 4/4] qemu-options: Do not show -enable-kvm and -enable-hax in the docs anymore
Date: Tue, 26 Jun 2018 09:29:08 -0300
User-agent: Mutt/1.9.2 (2017-12-15)

On Tue, Jun 26, 2018 at 07:57:18AM +0200, Paolo Bonzini wrote:
> On 25/06/2018 21:51, Eduardo Habkost wrote:
> > In either case, I'm not arguing (yet) for changing the default
> > upstream.  I'm just arguing for upstream QEMU to not make any
> > promises about the default.
> It would be a guest ABI breakage for TCG guests, so it would only apply
> to new machine types.  I don't think it's worth the complication.

That's exactly the point: I want to stop promising a stable guest
ABI when the accelerator is omitted, because I see no benefit in
wasting energy on this.

(I don't think we ever kept the guest ABI correctly with TCG, by
the way.)

> BTW, another thing that needs documenting is ABI promises for HAX and
> WHPX.  [...]



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