Commit 0c6b522abc2a ("dma-buf: cleanup dma-resv shared fence debugging a bit v2") turned dma_resv_reset_shared_max() into a function when CONFIG_DEBUG_MUTEXES is set, but forgot to export it. That resulted in a broken build:
ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/vgem/vgem.ko] undefined! ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/i915/i915.ko] undefined! ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/ttm/ttm.ko] undefined! ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/drm.ko] undefined! ERROR: modpost: "dma_resv_reset_shared_max" [drivers/gpu/drm/drm_vram_helper.ko] undefined! make[1]: *** [scripts/Makefile.modpost:150: modules-only.symvers] Error 1
Fixes: 0c6b522abc2a ("dma-buf: cleanup dma-resv shared fence debugging a bit v2") Cc: Christian König christian.koenig@amd.com Cc: Daniel Vetter daniel.vetter@ffwll.ch Cc: Sumit Semwal sumit.semwal@linaro.org Cc: "Christian König" christian.koenig@amd.com Cc: linux-media@vger.kernel.org Cc: dri-devel@lists.freedesktop.org Cc: linaro-mm-sig@lists.linaro.org Signed-off-by: Lucas De Marchi lucas.demarchi@intel.com --- drivers/dma-buf/dma-resv.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma-buf/dma-resv.c b/drivers/dma-buf/dma-resv.c index 3964df438505..6132ba631991 100644 --- a/drivers/dma-buf/dma-resv.c +++ b/drivers/dma-buf/dma-resv.c @@ -226,6 +226,7 @@ void dma_resv_reset_shared_max(struct dma_resv *obj) fence->shared_max = fence->shared_count; } } +EXPORT_SYMBOL(dma_resv_reset_shared_max); #endif
/**