From nobody Wed Dec 17 10:22:49 2025 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 029421C84B3 for ; Fri, 28 Mar 2025 05:04:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743138267; cv=none; b=qRU8fp7YuPHcUdqb2kdFIhLYcp7MWYL4HBK1DJHme69cGgbDS9yU3brKT9U4DxgnPZGbyMr7gS32FdAimNagHPYv5ylyQkhv7vbmuO52mQ8o+IyKVtGhak2i4RE1kO3aTgEJWT6uG2qDLG0daPQ/I7oWLWwHxsOKxrwLSztd0/c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743138267; c=relaxed/simple; bh=lS79mp1UHWS0SDhbFFU0ZHGEGRIr5Z31iIdfbGeyhws=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rN4xOpGoRnLckOKMTkC4ChvJmkqZue4vnQ4KPVI4ygohlrBrVsINWbQTwJ3OIpJR7HHsjFJ93zD17h56BZcl7lOP9O6qec/NASrzL66/CPfi5swbInoeBKvxtTCSWYFAGFtu9nQcfgppKlVE/P5on4oiVCkv08C8zXFQLF0YRaM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=pr3xPL9S; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="pr3xPL9S" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5095EC4CEEB; Fri, 28 Mar 2025 05:04:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743138266; bh=lS79mp1UHWS0SDhbFFU0ZHGEGRIr5Z31iIdfbGeyhws=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pr3xPL9SQL/NuWCbWMRuSypSfq/2nIUQLGatNaxJiqg90PsjFNDZlBKEAzgTZB6fg +3XHqNogDJyiFbDTJvjz4OIA61bWablshTk+kYd2dlLwdy/SqAysOQtWc/yi+j+BkH utHTktPXuWT1BlBsDrT3FfuPCJLPM+u2v3ExoF4+Ck+9jfNBA7HPP06WEYYownI0sP Ftdub+mTNoWtWJt0XGyZmB7mENY43RQdzIb2vlOX860+s7q5tWIpgJInKgipXJMuA3 Yiyjqfhn5m8Xb+n9eGRhokqb8ZwDFr5iy3dBG1YEA0AK41EAkcYB/1STVjvQNNzlBA JvrpUOkJu/ICQ== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, Ingo Molnar , Peter Zijlstra , Arnd Bergmann Subject: [PATCH 2/3] objtool: Fix STACK_FRAME_NON_STANDARD for cold subfunctions Date: Thu, 27 Mar 2025 22:04:22 -0700 Message-ID: <70a09ec0b0704398b2bbfb3153ce3d7cb8a381be.1743136205.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.48.1 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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: c84301d706c5 ("objtool: Ignore entire functions rather than instruct= ions") Signed-off-by: Josh Poimboeuf --- tools/objtool/check.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 29de1709ea00..fff9d7a2947a 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1014,6 +1014,8 @@ static int add_ignores(struct objtool_file *file) } =20 func->ignore =3D true; + if (func->cfunc) + func->cfunc->ignore =3D true; } =20 return 0; --=20 2.48.1