linux-kernel - Re: [BUG] tracing: dynamic ftrace selftest detected failures

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Message-ID: <20240820194914.2352a914@gandalf.local.home>
Date: Tue, 20 Aug 2024 19:49:14 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc: Sami Tolvanen <samitolvanen@...gle.com>, Mark Rutland
 <mark.rutland@....com>, Linux Trace Kernel
 <linux-trace-kernel@...r.kernel.org>, linux-kernel@...r.kernel.org,
 clang-built-linux <llvm@...ts.linux.dev>, Nathan Chancellor
 <nathan@...nel.org>
Subject: Re: [BUG] tracing: dynamic ftrace selftest detected failures

On Wed, 21 Aug 2024 08:43:51 +0900
Masami Hiramatsu (Google) <mhiramat@...nel.org> wrote:

> > Can you add the __used and see if it fixes it?  
> 
> Adding __used to DYN_FTRACE_TEST_NAME() and DYN_FTRACE_TEST_NAME2() does
> not change, the test still fails.

OK, now that sounds like a bug in LTO itself.

-- Steve