From: Greg KH <gregkh@linuxfoundation.org>
To: Suleiman Souhlal <suleiman@google.com>
Cc: Alexei Starovoitov <ast@kernel.org>,
Daniel Borkmann <daniel@iogearbox.net>,
Andrii Nakryiko <andrii@kernel.org>,
Martin KaFai Lau <martin.lau@linux.dev>,
Eduard Zingerman <eddyz87@gmail.com>, Song Liu <song@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>,
John Fastabend <john.fastabend@gmail.com>,
KP Singh <kpsingh@kernel.org>,
Stanislav Fomichev <sdf@fomichev.me>, Hao Luo <haoluo@google.com>,
Jiri Olsa <jolsa@kernel.org>,
Masahiro Yamada <masahiroy@kernel.org>,
Ian Rogers <irogers@google.com>,
ssouhlal@freebsd.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, llvm@lists.linux.dev,
stable@vger.kernel.org
Subject: Re: [RESEND][PATCH] tools/resolve_btfids: Fix build when cross compiling kernel with clang.
Date: Fri, 6 Jun 2025 08:05:04 +0200 [thread overview]
Message-ID: <2025060650-detached-boozy-8716@gregkh> (raw)
In-Reply-To: <20250606053650.863215-1-suleiman@google.com>
On Fri, Jun 06, 2025 at 02:36:50PM +0900, Suleiman Souhlal wrote:
> When cross compiling the kernel with clang, we need to override
> CLANG_CROSS_FLAGS when preparing the step libraries for
> resolve_btfids.
>
> Prior to commit d1d096312176 ("tools: fix annoying "mkdir -p ..." logs
> when building tools in parallel"), MAKEFLAGS would have been set to a
> value that wouldn't set a value for CLANG_CROSS_FLAGS, hiding the
> fact that we weren't properly overriding it.
>
> Cc: stable@vger.kernel.org
> Fixes: 56a2df7615fa ("tools/resolve_btfids: Compile resolve_btfids as host program")
> Signed-off-by: Suleiman Souhlal <suleiman@google.com>
> ---
> tools/bpf/resolve_btfids/Makefile | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
You forgot to say why this is a resend :(
next prev parent reply other threads:[~2025-06-06 6:05 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-06-06 5:23 [PATCH] tools/resolve_btfids: Fix build when cross compiling kernel with clang Suleiman Souhlal
2025-06-06 5:36 ` [RESEND][PATCH] " Suleiman Souhlal
2025-06-06 6:05 ` Greg KH [this message]
2025-06-06 6:08 ` Suleiman Souhlal
2025-06-06 6:20 ` Greg KH
2025-06-06 6:21 ` Suleiman Souhlal
2025-06-06 7:36 ` Greg KH
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