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
/**
Hi Lucas,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on drm-drm-misc/for-linux-next] [cannot apply to tegra-drm/drm/tegra/for-next linus/master v5.13-rc4 next-20210604] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch]
url: https://github.com/0day-ci/linux/commits/Lucas-De-Marchi/dma-buf-fix-build-d... base: git://anongit.freedesktop.org/drm/drm-misc for-linux-next config: arm-allmodconfig (attached as .config) compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/c3c64fb8ca0e44b7fee87ed5cc623f2b2a8f... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Lucas-De-Marchi/dma-buf-fix-build-due-to-missing-export/20210605-082109 git checkout c3c64fb8ca0e44b7fee87ed5cc623f2b2a8fa2c6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot lkp@intel.com
All errors (new ones prefixed by >>, old ones prefixed by <<):
ERROR: modpost: "__aeabi_ldivmod" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined! ERROR: modpost: "__aeabi_uldivmod" [drivers/gpu/drm/amd/amdgpu/amdgpu.ko] undefined!
--- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
That was an already known issue and I've just pushed a patch to fix it.
Christian.
Am 05.06.21 um 02:20 schrieb Lucas De Marchi:
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
/**
dri-devel@lists.freedesktop.org