linux-kernel - [PATCH] objtool: Add __kunit

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Date:   Fri, 2 Jun 2023 10:54:53 -0700
From:   Josh Poimboeuf <jpoimboe@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        David Gow <davidgow@...gle.com>,
        Shuah Khan <skhan@...uxfoundation.org>
Subject: [PATCH] objtool: Add __kunit_abort() to noreturns

Fixes a bunch of warnings like:

  drivers/input/tests/input_test.o: warning: objtool: input_test_init+0x1cb: stack state mismatch: cfa1=4+64 cfa2=4+56
  lib/kunit/kunit-test.o: warning: objtool: kunit_log_newline_test+0xfb: return with modified stack frame
  ...

Fixes: 260755184cbd ("kunit: Move kunit_abort() call out of kunit_do_failed_assertion()")
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Josh Poimboeuf <jpoimboe@...nel.org>
---
 tools/objtool/noreturns.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/objtool/noreturns.h b/tools/objtool/noreturns.h
index cede6068ddf6..1514e84d5cc4 100644
--- a/tools/objtool/noreturns.h
+++ b/tools/objtool/noreturns.h
@@ -7,6 +7,7 @@
  * Yes, this is unfortunate.  A better solution is in the works.
  */
 NORETURN(__invalid_creds)
+NORETURN(__kunit_abort)
 NORETURN(__module_put_and_kthread_exit)
 NORETURN(__reiserfs_panic)
 NORETURN(__stack_chk_fail)
-- 
2.40.1