Re: [PATCH] bpf: btf: include linux/types.h for u32

From: Jiri Olsa
Date: Tue Apr 16 2024 - 03:28:48 EST


On Tue, Apr 16, 2024 at 08:27:21AM +0300, Dmitrii Bundin wrote:
> On Mon, Apr 15, 2024 at 3:11 PM Jiri Olsa <olsajiri@xxxxxxxxx> wrote:
> > lgtm, did it actualy cause problem anywhere?
> >
> > there's also tools/include/linux/btf_ids.h
>
> It caused the problems exactly in the file
> tools/include/linux/btf_ids.h and was reported in
> https://bugzilla.kernel.org/show_bug.cgi?id=218647
> The patch including linux/types.h in tools/include/linux/btf_ids.h is
> already there https://lore.kernel.org/all/20240328110103.28734-1-ncopa@xxxxxxxxxxxxxxx/
> I also faced the same compile-error of the form
>
> error: unknown type name 'u32'
> u32 cnt;
> ^~~
> when compiling the bpf tool with glibc 2.28.
>
> I think it might be reasonable to add the inclusion in
> include/linux/btf_ids.h as well to prevent build problems like this.

ok, it's in the bpf/master already

jirka