On Tue, Jan 12, 2021 at 09:29:49 +0100, Michal Privoznik wrote: > This capability tracks whether memory-backend-file has > "x-use-canonical-path-for-ramblock-id" attribute. Introduced into > QEMU by commit v4.0.0-rc0~189^2. While "x-" prefix is considered Please use a commit hash instead of this. > experimental or internal to QEMU, the next commit justifies its > use. NACK unless qemu adds a statement to their code and documentation that the this property is considered stable despite the 'x-prefix' and you add a link to the appropriate qemu upstream commit once it's done. We don't want to depend on experimental stuff so we need a strong excuse.