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objtool: Fix STACK_FRAME_NON_STANDARD for cold subfunctions

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The recent STACK_FRAME_NON_STANDARD refactoring forgot about .cold
subfunctions.  They must also be ignored.

Fixes the following warning:

  drivers/gpu/drm/vmwgfx/vmwgfx_msg.o: warning: objtool: vmw_recv_msg.cold+0x0: unreachable instruction

Fixes: c84301d706 ("objtool: Ignore entire functions rather than instructions")
Signed-off-by: Josh Poimboeuf <jpoimboe@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/70a09ec0b0704398b2bbfb3153ce3d7cb8a381be.1743136205.git.jpoimboe@kernel.org
This commit is contained in:
Josh Poimboeuf 2025-03-27 22:04:22 -07:00 committed by Ingo Molnar
parent 69d41d6daf
commit b5e2cc57f5
1 changed files with 2 additions and 0 deletions
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2
tools/objtool/check.c
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@ -1014,6 +1014,8 @@ static int add_ignores(struct objtool_file *file)
}
func->ignore = true;
if (func->cfunc)
func->cfunc->ignore = true;
}
return 0;