On Tue, Apr 14, 2020 at 01:09:35PM +0100, Peter Maydell wrote: > The Linux kernel has dropped support for allowing 32-bit Arm systems > to host KVM guests (kernel commit 541ad0150ca4aa663a2, which just > landed upstream in the 5.7 merge window). Mark QEMU's support for > this configuration as deprecated, so that we can delete that support > code in 5.2. > > Signed-off-by: Peter Maydell <peter.mayd...@linaro.org> > --- > I was reading the 5.7 merge window writeup on LWN this weekend > and saw that the dropping of 32-bit support had gone in; just > enough time to squeeze our deprecation warning into 5.0 so we > can drop the code in 5.2 rather than 6.0... > > docs/system/deprecated.rst | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/docs/system/deprecated.rst b/docs/system/deprecated.rst > index c633fe2beff..3142fac3865 100644 > --- a/docs/system/deprecated.rst > +++ b/docs/system/deprecated.rst > @@ -336,6 +336,14 @@ The ``compat`` property used to set backwards > compatibility modes for > the processor has been deprecated. The ``max-cpu-compat`` property of > the ``pseries`` machine type should be used instead. > > +KVM guest support on 32-bit Arm hosts (since 5.0) > +''''''''''''''''''''''''''''''''''''''''''''''''' > + > +The Linux kernel has dropped support for allowing 32-bit Arm systems > +to host KVM guests as of the 5.7 kernel. Accordingly, QEMU is deprecating > +its support for this configuration and will remove it in a future version. > +Running 32-bit guests on a 64-bit Arm host remains supported. > + > System emulator devices > ----------------------- > > -- > 2.20.1 > >
Reviewed-by: Andrew Jones <drjo...@redhat.com>
