Re: [PATCH v4 1/3] kernel.h: disable type-checks in container_of() for Sparse

[Luc Van Oostenryck]

On Thu, Nov 22, 2018 at 12:14:20PM +0900, Masahiro Yamada wrote:
> When I tried to enable BUILD_BUG_ON for Sparse, the kbuild test robot
> reported lots of "unknown expression" warnings from container_of(),
> which seemed false positive.
> 
> I addressed this in [1], but fixing Sparse is the right thing to do.
> 
> The issue was fixed by Sparse commit 0eb8175d3e9c ("fix expansion of
> function designator"), but it will take time until the fixed version
> of Sparse is widely available.
> 
> Disable the container_of() type checks for Sparse for now.

I would prefer that developers upgrade their version of sparse but ...

Reviewed-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>