queue-5.0/objtool-add-rewind_stack_do_exit-to-the-noreturn-lis.patch

   1 From 0caf52ee3faef4f5190c58ac7fff6f19b57412af Mon Sep 17 00:00:00 2001
   2 From: Josh Poimboeuf <jpoimboe@redhat.com>
   3 Date: Thu, 4 Apr 2019 12:17:35 -0500
   4 Subject: objtool: Add rewind_stack_do_exit() to the noreturn list
   5
   6 [ Upstream commit 4fa5ecda2bf96be7464eb406df8aba9d89260227 ]
   7
   8 This fixes the following warning seen on GCC 7.3:
   9
  10   arch/x86/kernel/dumpstack.o: warning: objtool: oops_end() falls through to next function show_regs()
  11
  12 Reported-by: kbuild test robot <lkp@intel.com>
  13 Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
  14 Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
  15 Cc: Peter Zijlstra <peterz@infradead.org>
  16 Link: https://lkml.kernel.org/r/3418ebf5a5a9f6ed7e80954c741c0b904b67b5dc.1554398240.git.jpoimboe@redhat.com
  17 Signed-off-by: Sasha Levin <sashal@kernel.org>
  18 ---
  19  tools/objtool/check.c | 1 +
  20  1 file changed, 1 insertion(+)
  21
  22 diff --git a/tools/objtool/check.c b/tools/objtool/check.c
  23 index 5dde107083c60..479196aeb4096 100644
  24 --- a/tools/objtool/check.c
  25 +++ b/tools/objtool/check.c
  26 @@ -165,6 +165,7 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func,
  27                 "fortify_panic",
  28                 "usercopy_abort",
  29                 "machine_real_restart",
  30 +               "rewind_stack_do_exit",
  31         };
  32
  33         if (func->bind == STB_WEAK)
  34 --
  35 2.20.1
  36