Mark Cave-Ayland <[email protected]> writes: > Add a new paragraph in the "Backwards compatibility" section documenting that > the isapc machine is now restricted to 32-bit x86 CPUs, and -cpu host and > -cpu max are no longer supported. > > Signed-off-by: Mark Cave-Ayland <[email protected]> > --- > docs/about/deprecated.rst | 13 +++++++++++++ > 1 file changed, 13 insertions(+) > > diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst > index aa300bbd50..4c7000650d 100644 > --- a/docs/about/deprecated.rst > +++ b/docs/about/deprecated.rst > @@ -514,6 +514,19 @@ available firmwares that are using the current (wrong) > name. The > property is kept as is in 9.1, together with "riscv,delegation", to > give more time for firmware developers to change their code. > > +x86 "isapc" board restricted to 32-bit x86 CPUs (since 10.2) > +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' > + > +The "isapc" board represents a historical x86 ISA PC and is intended for > +older 32-bit x86 CPU models, defaulting to a 486 CPU model. Previously it > +was possible (but non-sensical) to specify a more modern x86 CPU, including > +``-cpu host`` or ``-cpu max`` even if the features were incompatible with > many > +of the intended guest OSs. > + > +Now the "isapc" board contains an explicit list of supported 32-bit x86 CPU > +models. If the user requests an unsupported CPU model then an error message > is > +returned indicating the available CPU models. > + > Migration > ---------
I couldn't see how this corresponds to PATCH 1 until I realized it documents recent commit e1e2909f8e7 modified by PATCH 1. A hint in the commit message could've saved me a few minutes :) Reviewed-by: Markus Armbruster <[email protected]>
