[Intel-gfx] [PATCH 2/2] drm/i915: Add __rcu annotation to cursor when iterating client objects

Andi Shyti andi.shyti at linux.intel.com
Mon Nov 20 10:16:57 UTC 2023


Hi Tvrtko,

On Mon, Nov 13, 2023 at 08:54:57AM +0000, Tvrtko Ursulin wrote:
> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> 
> __rcu annotation is needed to avoid the sparse warnings such as:
> 
>   .../i915_drm_client.c:92:9: sparse: sparse: incompatible types in comparison expression (different address spaces):
>   .../i915_drm_client.c:92:9: sparse:    struct list_head [noderef] __rcu *
>   .../i915_drm_client.c:92:9: sparse:    struct list_head *
> 
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
> Fixes: 968853033d8a ("drm/i915: Implement fdinfo memory stats printing")
> Reported-by: kernel test robot <lkp at intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202311110610.h0m6ydI5-lkp@intel.com/
> Cc: Andi Shyti <andi.shyti at linux.intel.com>
> Cc: Aravind Iddamsetty <aravind.iddamsetty at intel.com>

Reviewed-by: Andi Shyti <andi.shyti at linux.intel.com>

Thanks,
Andi


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