[PATCH v5 23/68] selftests/iommu: Drop duplicate -D_GNU_SOURCE

[Jason Gunthorpe]

On Wed, May 22, 2024 at 12:57:09AM +0000, Edward Liaw wrote:
> -D_GNU_SOURCE can be de-duplicated here, as it is added by lib.mk.
> 
> Reviewed-by: John Hubbard <jhubbard at nvidia.com>
> Reviewed-by: Muhammad Usama Anjum <usama.anjum at collabora.com>
> Signed-off-by: Edward Liaw <edliaw at google.com>
> ---
>  tools/testing/selftests/iommu/Makefile | 2 --
>  1 file changed, 2 deletions(-)

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason