On Thu, Jan 09, 2025 at 04:43:41PM +0800, Yufeng Wang wrote:
we use -Werror now, and warnings break the build so let's fixed it.
from virtio_test.c:17: ./linux/../../../include/linux/compiler_types.h:48: error: "__user" redefined [-Werror] 48 | # define __user BTF_TYPE_TAG(user) | In file included from ../../usr/include/linux/stat.h:5, from /usr/include/x86_64-linux-gnu/bits/statx.h:31, from /usr/include/x86_64-linux-gnu/sys/stat.h:465, from virtio_test.c:12: ../include/linux/types.h:56: note: this is the location of the previous definition 56 | #define __user
Cc: stable@vger.kernel.org
Signed-off-by: Yufeng Wang wangyufeng@kylinos.cn
include/linux/compiler_types.h | 1 + 1 file changed, 1 insertion(+)
diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h index 5d6544545658..3316e56140d6 100644 --- a/include/linux/compiler_types.h +++ b/include/linux/compiler_types.h @@ -54,6 +54,7 @@ static inline void __chk_io_ptr(const volatile void __iomem *ptr) { } # ifdef STRUCTLEAK_PLUGIN # define __user __attribute__((user)) # else +# undef __user # define __user BTF_TYPE_TAG(user) # endif
# define __iomem
2.34.1
What commit does this fix? Why is this suddenly showing up now?
thanks,
greg k-h