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X-Received-From: 2a00:1450:4864:20::441 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-arm@nongnu.org, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Peter Maydell writes: > 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 Reviewed-by: Alex Benn=C3=A9e > --- > 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 compat= ibility modes for > the processor has been deprecated. The ``max-cpu-compat`` property of > the ``pseries`` machine type should be used instead. >=20=20 > +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 versio= n. > +Running 32-bit guests on a 64-bit Arm host remains supported. > + > System emulator devices > ----------------------- --=20 Alex Benn=C3=A9e