From: Josh Poimboeuf <jpoimboe@redhat.com>
Date: Thu, 4 Apr 2019 17:17:35 +0000 (-0500)
Subject: objtool: Add rewind_stack_do_exit() to the noreturn list
X-Git-Tag: v4.14.138~23
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=c9f57f29b52036d70ec0639a550121431cc74665;p=users%2Fdwmw2%2Flinux.git

objtool: Add rewind_stack_do_exit() to the noreturn list

commit 4fa5ecda2bf96be7464eb406df8aba9d89260227 upstream.

This fixes the following warning seen on GCC 7.3:

  arch/x86/kernel/dumpstack.o: warning: objtool: oops_end() falls through to next function show_regs()

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/3418ebf5a5a9f6ed7e80954c741c0b904b67b5dc.1554398240.git.jpoimboe@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 347fb6c3ec99f..5422543faff85 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -166,6 +166,7 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func,
 		"lbug_with_loc",
 		"fortify_panic",
 		"machine_real_restart",
+		"rewind_stack_do_exit",
 	};
 
 	if (func->bind == STB_WEAK)