On Tue, 1 Mar 2022 at 22:00, Richard Henderson <richard.hender...@linaro.org> wrote: > > There is a Linux kernel bug present until v5.12 that prevents > booting with FEAT_LPA2 enabled. As a workaround for TCG, > disable this feature for machine versions prior to 7.0. > > Cc: Daniel P. Berrangé <berra...@redhat.com> > Signed-off-by: Richard Henderson <richard.hender...@linaro.org> > --- > include/hw/arm/virt.h | 1 + > hw/arm/virt.c | 7 +++++++ > 2 files changed, 8 insertions(+)
Is it not possible to implement this in the usual "change property for older versioned machines" way of adding to the hw_compat arrays? diff --git a/hw/core/machine.c b/hw/core/machine.c index d856485cb4d..dac82a709ba 100644 --- a/hw/core/machine.c +++ b/hw/core/machine.c @@ -37,7 +37,9 @@ #include "hw/virtio/virtio.h" #include "hw/virtio/virtio-pci.h" -GlobalProperty hw_compat_6_2[] = {}; +GlobalProperty hw_compat_6_2[] = { + { "arm-cpu-max", "lpa2", "false" }, +}; const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2); GlobalProperty hw_compat_6_1[] = { thanks -- PMM