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objtool: Add rewind_stack_do_exit() to the noreturn list 

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
This commit is contained in:
Josh Poimboeuf 2019-04-04 12:17:35 -05:00 committed by Thomas Gleixner
parent a0fe2c6479
commit 4fa5ecda2b
1 changed files with 1 additions and 0 deletions
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tools/objtool/check.c
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@ -165,6 +165,7 @@ static int __dead_end_function(struct objtool_file *file, struct symbol *func,
"fortify_panic", "fortify_panic",
"usercopy_abort", "usercopy_abort",
"machine_real_restart", "machine_real_restart",
"rewind_stack_do_exit",
}; };
if (func->bind == STB_WEAK) if (func->bind == STB_WEAK)