On Tue, 8 Oct 2024 at 12:43, Ganapatrao Kulkarni <gankulka...@os.amperecomputing.com> wrote: > > From: Cornelia Huck <coh...@redhat.com> > > Extend the 'mte' property for the virt machine to cover KVM as > well. For KVM, we don't allocate tag memory, but instead enable > the capability. > > If MTE has been enabled, we need to disable migration, as we do not > yet have a way to migrate the tags as well. Therefore, MTE will stay > off with KVM unless requested explicitly. > > [gankulkarni: This patch is rework of commit b320e21c48 > which broke TCG since it made the TCG -cpu max > report the presence of MTE to the guest even if the board hadn't > enabled MTE by wiring up the tag RAM. This meant that if the guest > then tried to use MTE QEMU would segfault accessing the > non-existent tag RAM.] > > Signed-off-by: Cornelia Huck <coh...@redhat.com> > Reviewed-by: Gustavo Romero <gustavo.rom...@linaro.org> > Signed-off-by: Ganapatrao Kulkarni <gankulka...@os.amperecomputing.com>
Applied to target-arm.next, thanks. -- PMM
