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"struct nouveau_job_ops" is not modified in these drivers. Constifying this structure moves some data to a read-only section, so increase overall security. In order to do it, "struct nouveau_job" and "struct nouveau_job_args" also need to be adjusted to this new const qualifier. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 5570 152 0 5722 165a drivers/gpu/drm/nouveau/nouveau_exec.o After: ===== text data bss dec hex filename 5630 112 0 5742 166e drivers/gpu/drm/nouveau/nouveau_exec.o Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Danilo Krummrich <dakr@redhat.com> Link: https://patchwork.freedesktop.org/patch/msgid/860e9753d7867aa46b003bb3d0497f1b04065b24.1718381285.git.christophe.jaillet@wanadoo.fr