From nobody Mon Apr 6 23:10:15 2026 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 150F93A6EE0; Tue, 17 Mar 2026 22:51:37 +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=1773787898; cv=none; b=kidDNeSFBadMn9GnV2pxkKxyS88jdbt0EGP9Xy5aMPDbBMQIwd8IjVOKMhnCzqRX1bl2KHGIf4C6okw+5Y13aNdF148il3OoeY/IPuiqWZGzuUuHCGAr+m0nSWeI3JgrnN0MZhFNEpb9ceuBzEFMjJ99IVhkd2zq8gPcZjdi6NM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773787898; c=relaxed/simple; bh=R5UiZpTiDDGQeFvx+x5fyQyw1CckBBaOg4b13Rc2GFM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Z5wsdjCFiBrPagGlL7v5qPKXAbDb8NI9dwml+OXbsetkt3BtZw3eA4bmBBMpySgbZX+5ovB4aRrZuFNEzoYex5pmo8GKlp4+gGeFXsE3R0yzr6NfgsAk9UNLYgMYmcR9j3UsDCcrs0Atnbd3s0SLxotcdRrmdUdXCJOu1+SI+HM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=O05cfDTO; 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="O05cfDTO" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 16372C2BC9E; Tue, 17 Mar 2026 22:51:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773787897; bh=R5UiZpTiDDGQeFvx+x5fyQyw1CckBBaOg4b13Rc2GFM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=O05cfDTOoUN0o/a5xAMBqeA6JBv53owzUYaz7WqDnkXpa361njl5XUGAkFaMMp3u+ 9uteSon8YEXqmi+jXEe1qpNPaCBqv4N/2HWOLQAP1ZR5U9HilJnpk5b9lQ8QQS3qP/ AchOaEvUekQtgTWU2jBME/yHKvRBqBZXm3g53CQc/XrVVXNtflKnNHmV0OgBHYTRu4 M6WvQGBAlW8nS2eVCAG1S3aDOLmpnJvxUofX1XOWQdqs3mxsyhHEZNZJq0Zq/4uvNs 7O2cyuQ2IV5vDquka3y+dNWifbssa+Kb/l7nm05PpS9XT5ALSB0X6RcXdggHJgc9cA UFb656RNfSzPw== From: Josh Poimboeuf To: x86@kernel.org Cc: linux-kernel@vger.kernel.org, live-patching@vger.kernel.org, Peter Zijlstra , Joe Lawrence , Song Liu , Catalin Marinas , Will Deacon , linux-arm-kernel@lists.infradead.org, Mark Rutland , Nathan Chancellor , Nicolas Schier , Herbert Xu Subject: [PATCH v2 09/12] objtool: Allow empty alternatives Date: Tue, 17 Mar 2026 15:51:09 -0700 Message-ID: <1d74ee9e31727870266ffb69ce0d6a4a40b8e99a.1773787568.git.jpoimboe@kernel.org> X-Mailer: git-send-email 2.53.0 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" arm64 can have empty alternatives, which are effectively no-ops. Ignore them. Acked-by: Song Liu Signed-off-by: Josh Poimboeuf --- tools/objtool/check.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 6e33a29bd3ed..7297fb87f876 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -1994,10 +1994,8 @@ static int add_special_section_alts(struct objtool_f= ile *file) } =20 if (special_alt->group) { - if (!special_alt->orig_len) { - ERROR_INSN(orig_insn, "empty alternative entry"); + if (!special_alt->orig_len) continue; - } =20 if (handle_group_alt(file, special_alt, orig_insn, &new_insn)) return -1; --=20 2.53.0