Re: [PATCH bpf-next] libbpf: don't use kernel-side u32 type in xsk.c

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Subject: Re: [PATCH bpf-next] libbpf: don't use kernel-side u32 type in xsk.c
From: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>
Date: Tue, 29 Oct 2019 09:05:54 +0100
Cc: andrii.nakryiko@xxxxxxxxx, kernel-team@xxxxxx, Andrii Nakryiko <andriin@xxxxxx>, Magnus Karlsson <magnus.karlsson@xxxxxxxxx>
In-reply-to: <20191029055953.2461336-1-andriin@fb.com>

Andrii Nakryiko <andriin@xxxxxx> writes:

> u32 is a kernel-side typedef. User-space library is supposed to use __u32.
> This breaks Github's projection of libbpf. Do u32 -> __u32 fix.

I've always wondered about this, actually. Why are they different?

-Toke

References:
- [PATCH bpf-next] libbpf: don't use kernel-side u32 type in xsk.c
  - From: Andrii Nakryiko

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