[radeon-alex:drm-next-5.2-wip 64/66] drivers/gpu/drm/ttm/ttm_bo.c:52:10: sparse: symbol 'ttm_bo_glob_use_count' was not declared. Should it be static?

[radeon-alex:drm-next-5.2-wip 64/66] drivers/gpu/drm/ttm/ttm_bo.c:52:10: sparse: symbol 'ttm_bo_glob_use_count' was not declared. Should it be static?

[kbuild test robot]

tree:   git://people.freedesktop.org/~agd5f/linux.git drm-next-5.2-wip
head:   a70be09f90c0b211b45bae50eb98617d75713297
commit: 5c4923919f015e80e76d3d88d5743d422d105ff2 [64/66] drm/ttm: fix re-init of global structures
reproduce:
        # apt-get install sparse
        git checkout 5c4923919f015e80e76d3d88d5743d422d105ff2
        make ARCH=x86_64 allmodconfig
        make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__'

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>



sparse warnings: (new ones prefixed by >>)

   drivers/gpu/drm/ttm/ttm_bo.c:51:1: sparse: symbol 'ttm_global_mutex' was not declared. Should it be static?
>> drivers/gpu/drm/ttm/ttm_bo.c:52:10: sparse: symbol 'ttm_bo_glob_use_count' was not declared. Should it be static?
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   drivers/gpu/drm/ttm/ttm_bo.c:559:28: sparse: context imbalance in 'ttm_bo_cleanup_refs' - unexpected unlock
   drivers/gpu/drm/ttm/ttm_bo.c:619:27: sparse: context imbalance in 'ttm_bo_delayed_delete' - different lock contexts for basic block
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   drivers/gpu/drm/ttm/ttm_bo.c:787:12: sparse: context imbalance in 'ttm_mem_evict_first' - different lock contexts for basic block
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression
   drivers/gpu/drm/ttm/ttm_bo.c:1765:5: sparse: context imbalance in 'ttm_bo_swapout' - different lock contexts for basic block
   include/linux/reservation.h:220:20: sparse: dereference of noderef expression
   include/linux/reservation.h:220:45: sparse: dereference of noderef expression

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel

[RFC PATCH radeon-alex] drm/ttm: ttm_bo_glob_use_count can be static

[kbuild test robot]

Fixes: 5c4923919f01 ("drm/ttm: fix re-init of global structures")
Signed-off-by: kbuild test robot <lkp@intel.com>
---
 ttm_bo.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 2845fce..a7bb5a2 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -49,7 +49,7 @@ static void ttm_bo_global_kobj_release(struct kobject *kobj);
  * ttm_global_mutex - protecting the global BO state
  */
 DEFINE_MUTEX(ttm_global_mutex);
-unsigned ttm_bo_glob_use_count;
+static unsigned ttm_bo_glob_use_count;
 struct ttm_bo_global ttm_bo_glob;
 
 static struct attribute ttm_bo_count = {
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel