On Wed, Nov 03, 2021 at 08:51:42AM +0100, Jean-Louis Dupond wrote: > On 1/11/2021 23:26, Michael S. Tsirkin wrote: > > On Tue, Oct 12, 2021 at 10:24:28AM +0200, Jean-Louis Dupond wrote: > > > hw_compat modes only take into account their base name. > > > But if a device is created with (non)-transitional, then the compat > > > values are not used, causing migrating issues. > > > > > > This commit adds their (non)-transitional entries with the same settings > > > as the base entry. > > > > > > Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1999141 > > > > > > Signed-off-by: Jean-Louis Dupond <jean-lo...@dupond.be> > > > > Jean-Louis, any chance you are going to address the comments > > and post a new patch? > > > Should'nt we just apply the patch from Eduardo? > As this is a more elegant solution with the same result.
don't see it in queue. Repost? > > > --- > > > include/hw/qdev-core.h | 34 ++++++++++++++++++++++++++++++++++ > > > 1 file changed, 34 insertions(+) > > > > > > diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h > > > index 4ff19c714b..5726825c2d 100644 > > > --- a/include/hw/qdev-core.h > > > +++ b/include/hw/qdev-core.h > > > @@ -293,6 +293,30 @@ typedef struct GlobalProperty { > > > bool optional; > > > } GlobalProperty; > > > + > > > +/** > > > + * Helper to add (non)transitional compat properties > > > + */ > > > +static inline void > > > +compat_props_add_transitional(GPtrArray *arr, GlobalProperty *prop) > > > +{ > > > + GlobalProperty *transitional = g_new0(typeof(*transitional), 1); > > > + transitional->driver = g_strdup_printf("%s-transitional", > > > prop->driver); > > > + transitional->property = g_strdup(prop->property); > > > + transitional->value = g_strdup(prop->value); > > > + transitional->used = prop->used; > > > + transitional->optional = prop->optional; > > > + g_ptr_array_add(arr, (void *)transitional); > > > + > > > + GlobalProperty *non_transitional = g_new0(typeof(*non_transitional), > > > 1); > > > + non_transitional->driver = g_strdup_printf("%s-non-transitional", > > > prop->driver); > > > + non_transitional->property = g_strdup(prop->property); > > > + non_transitional->value = g_strdup(prop->value); > > > + non_transitional->used = prop->used; > > > + non_transitional->optional = prop->optional; > > > + g_ptr_array_add(arr, (void *)non_transitional); > > > +} > > > + > > > static inline void > > > compat_props_add(GPtrArray *arr, > > > GlobalProperty props[], size_t nelem) > > > @@ -300,6 +324,16 @@ compat_props_add(GPtrArray *arr, > > > int i; > > > for (i = 0; i < nelem; i++) { > > > g_ptr_array_add(arr, (void *)&props[i]); > > > + if (g_str_equal(props[i].driver, "vhost-user-blk-pci") || > > > + g_str_equal(props[i].driver, "virtio-scsi-pci") || > > > + g_str_equal(props[i].driver, "virtio-blk-pci") || > > > + g_str_equal(props[i].driver, "virtio-balloon-pci") || > > > + g_str_equal(props[i].driver, "virtio-serial-pci") || > > > + g_str_equal(props[i].driver, "virtio-9p-pci") || > > > + g_str_equal(props[i].driver, "virtio-net-pci") || > > > + g_str_equal(props[i].driver, "virtio-rng-pci")) { > > > + compat_props_add_transitional(arr, &props[i]); > > > + } > > > } > > > } > > > -- > > > 2.33.0 > > > > > > > > >