On Tue, Jun 11, 2019 at 03:56:35PM +0200, Sven Joachim wrote: > Commit 1e07d63749 ("drm/nouveau: add kconfig option to turn off nouveau > legacy contexts. (v3)") has caused a build failure for me when I > actually tried that option (CONFIG_NOUVEAU_LEGACY_CTX_SUPPORT=n): > > ,---- > | Kernel: arch/x86/boot/bzImage is ready (#1) > | Building modules, stage 2. > | MODPOST 290 modules > | ERROR: "drm_legacy_mmap" [drivers/gpu/drm/nouveau/nouveau.ko] undefined! > | scripts/Makefile.modpost:91: recipe for target '__modpost' failed > `---- > > Upstream does not have that problem, as commit bed2dd8421 ("drm/ttm: > Quick-test mmap offset in ttm_bo_mmap()") has removed the use of > drm_legacy_mmap from nouveau_ttm.c. Unfortunately that commit does not > apply in 5.1.9. > > Most likely 4.19.50 and 4.14.125 are also affected, I haven't tested > them yet. They probably are. Should I just revert this patch in the stable tree, or add some other patch (like the one pointed out here, which seems an odd patch for stable...) thanks, greg k-h