Peter, this patch fixes a bug that became a regression when the fix
missed 6.1. It's been stuck on the list since August. Please have a
look, and if it's good, get it merged. I'll ask the i386/pc maintainers
to do the same for PATCH 2.
Jean-Philippe Brucker <jean-phili...@linaro.org> writes:
> Since commit d8fb7d0969d5 ("vl: switch -M parsing to keyval"), machine
> parameter definitions cannot use underscores, because keyval_dashify()
> transforms them to dashes and the parser doesn't find the parameter.
>
> This affects option default_bus_bypass_iommu which was introduced in the
> same release:
>
> $ qemu-system-aarch64 -M virt,default_bus_bypass_iommu=on
> qemu-system-aarch64: Property 'virt-6.1-machine.default-bus-bypass-iommu' not
> found
>
> Rename the parameter to "default-bus-bypass-iommu". Passing
> "default_bus_bypass_iommu" is still valid since the underscore are
> transformed automatically.
>
> Fixes: 6d7a85483a06 ("hw/arm/virt: Add default_bus_bypass_iommu machine
> option")
> Signed-off-by: Jean-Philippe Brucker <jean-phili...@linaro.org>
> ---
> hw/arm/virt.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index b4598d3fe6..7075cdc15e 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -2671,10 +2671,10 @@ static void virt_machine_class_init(ObjectClass *oc,
> void *data)
> "Set the IOMMU type. "
> "Valid values are none and
> smmuv3");
>
> - object_class_property_add_bool(oc, "default_bus_bypass_iommu",
> + object_class_property_add_bool(oc, "default-bus-bypass-iommu",
> virt_get_default_bus_bypass_iommu,
> virt_set_default_bus_bypass_iommu);
> - object_class_property_set_description(oc, "default_bus_bypass_iommu",
> + object_class_property_set_description(oc, "default-bus-bypass-iommu",
> "Set on/off to enable/disable "
> "bypass_iommu for default root
> bus");
