linux-kernel - Re: [PATCH] tools/resolve_btfids: fix build with musl libc

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Date: Thu, 28 Mar 2024 18:59:38 -0700
From: Alexei Starovoitov <alexei.starovoitov@...il.com>
To: Greg Thelen <gthelen@...gle.com>
Cc: Natanael Copa <ncopa@...inelinux.org>, bpf@...r.kernel.org, stable@...r.kernel.org, 
	Viktor Malik <vmalik@...hat.com>, Daniel Xu <dxu@...uu.xyz>, Alexei Starovoitov <ast@...nel.org>, 
	Nick Desaulniers <ndesaulniers@...gle.com>, Andrii Nakryiko <andrii@...nel.org>, 
	linux-kernel@...r.kernel.org, Khazhy Kumykov <khazhy@...omium.org>, 
	Dmitrii Bundin <dmitrii.bundin.a@...il.com>, Gaosheng Cui <cuigaosheng1@...wei.com>
Subject: Re: [PATCH] tools/resolve_btfids: fix build with musl libc

On Thu, Mar 28, 2024 at 9:18 AM Greg Thelen <gthelen@...gle.com> wrote:
>
> Natanael Copa <ncopa@...inelinux.org> wrote:
>
> > Include the header that defines u32.
>
> > Fixes: 9707ac4fe2f5 ("tools/resolve_btfids: Refactor set sorting with
> > types from btf_ids.h")
> > Closes: https://bugzilla.kernel.org/show_bug.cgi?id=218647
>
> Tested-by: Greg Thelen <gthelen@...gle.com>
>
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Natanael Copa <ncopa@...inelinux.org>
> > ---
> > This fixes build of 6.6.23 and 6.1.83 kernels for Alpine Linux, which
> > uses musl libc. I assume that GNU libc indirecly pulls in linux/types.h.

Ok. Applied to bpf tree and added the above explanation to commit log.