Re: [PATCH 11/13] target/mips: Declare MXU registers as 32-bit

[Richard Henderson]

On 11/26/24 08:34, Philippe Mathieu-Daudé wrote:
> On 26/11/24 15:18, Richard Henderson wrote:
> > On 11/26/24 07:15, Philippe Mathieu-Daudé wrote:
> > > MXU extension is only built for 32-bit targets,
> > > so the MXU registers can be directly declared as
> > > 32-bit.
> > >
> > > Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
> >
> > While the mxu extension is only enabled for 32-bit targets, the fields are 
> > unconditionally present in TCState and the vmstate.  Thus this affects migration.
> >
> > Since there's a migration breaker, I think you might as well extract the mxu state to a 
> > subsection, enabled only when mxu support is enabled.
>
> We don't have MIPS versioned machine, so I can just bump
> the version number.

Yep, that works too.  Leave "improvements to vmstate" as a separate project.


r~