diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2021-01-21 15:29:21 -0600 |
|---|---|---|
| committer | Josh Poimboeuf <jpoimboe@redhat.com> | 2021-01-26 11:11:59 -0600 |
| commit | 18660698a3d30868524cefb60dcd4e0e297f71bb (patch) | |
| tree | d9d41959c5f609c355b64283fa5f39e8e0ea48a7 /arch/x86/kernel/ftrace_64.S | |
| parent | 31a7424bc58063a8e0466c3c10f31a52ec2be4f6 (diff) | |
x86/ftrace: Add UNWIND_HINT_FUNC annotation for ftrace_stub
Prevent an unreachable objtool warning after the sibling call detection
gets improved. ftrace_stub() is basically a function, annotate it as
such.
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/6845e1b2fb0723a95740c6674e548ba38c5ea489.1611263461.git.jpoimboe@redhat.com
Diffstat (limited to 'arch/x86/kernel/ftrace_64.S')
| -rw-r--r-- | arch/x86/kernel/ftrace_64.S | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/ftrace_64.S b/arch/x86/kernel/ftrace_64.S index 0d54099c2a3a..58d125ed9d1a 100644 --- a/arch/x86/kernel/ftrace_64.S +++ b/arch/x86/kernel/ftrace_64.S @@ -184,6 +184,7 @@ SYM_INNER_LABEL(ftrace_graph_call, SYM_L_GLOBAL) * It is also used to copy the retq for trampolines. */ SYM_INNER_LABEL_ALIGN(ftrace_stub, SYM_L_WEAK) + UNWIND_HINT_FUNC retq SYM_FUNC_END(ftrace_epilogue) |