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Date: Tue, 1 Apr 2025 10:10:21 -0400
From: Steven Rostedt <rostedt@goodmis.org>
To: Leon Romanovsky <leon@kernel.org>
Cc: Christian Loehle <Christian.Loehle@arm.com>, "pr-tracker-bot@kernel.org"
 <pr-tracker-bot@kernel.org>, Linus Torvalds
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 Schnelle <svens@linux.ibm.com>, Tengda Wu <wutengda@huaweicloud.com>
Subject: Re: [GIT PULL] ftrace: Updates for 6.15
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On Tue, 1 Apr 2025 14:31:59 +0300
Leon Romanovsky <leon@kernel.org> wrote:

> We see same issue in our CI systems.
> 
> 13:29:09  + make -s -j64 ARCH=x86
> 13:32:31  ld: kernel/trace/trace_output.o: in function `print_function_args':
> 13:32:31  /home/jenkins/agent/workspace/kernel_build/linux/kernel/trace/trace_output.c:713:(.text+0x20f1): undefined reference to `btf_find_func_proto'
> 13:32:31  ld: /home/jenkins/agent/workspace/kernel_build/linux/kernel/trace/trace_output.c:717:(.text+0x210d): undefined reference to `btf_get_func_param'
> 13:32:31  make[2]: *** [scripts/Makefile.vmlinux:77: vmlinux] Error 1
> 13:32:31  make[1]: *** [/home/jenkins/agent/workspace/kernel_build/linux/Makefile:1234: vmlinux] Error 2
> 13:32:31  make: *** [Makefile:251: __sub-make] Error 2

Looks like a dependency is missing and/or an #ifdef block needs to be added.

Thanks for the report, I'll take a look into it.

-- Steve