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objtool: add kunit_try_catch_throw to the noreturn list

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Fix the following warning seen on GCC 7.3:
  kunit/test-test.o: warning: objtool: kunit_test_unsuccessful_try() falls through to next function kunit_test_catch()

kunit_try_catch_throw is a function added in the following patch in this
series; it allows KUnit, a unit testing framework for the kernel, to
bail out of a broken test. As a consequence, it is a new __noreturn
function that objtool thinks is broken (as seen above). So fix this
warning by adding kunit_try_catch_throw to objtool's noreturn list.

Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://www.spinics.net/lists/linux-kbuild/msg21708.html
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Brendan Higgins 2019-09-23 02:02:38 -07:00 committed by Shuah Khan
parent d8e2a76b4c
commit 33adf80f5b
1 changed files with 1 additions and 0 deletions
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tools/objtool/check.c
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@ -144,6 +144,7 @@ static bool __dead_end_function(struct objtool_file *file, struct symbol *func,
"usercopy_abort", "usercopy_abort",
"machine_real_restart", "machine_real_restart",
"rewind_stack_do_exit", "rewind_stack_do_exit",
"kunit_try_catch_throw",
}; };
if (!func) if (!func)