From patchwork Fri Mar 28 10:48:19 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 14031860 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 81FCA145B27; Fri, 28 Mar 2025 11:22:02 +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=1743160922; cv=none; b=o6CBLUD0nJGh1tslPjrKM4mhkVKcYrk6s3iG8DvpXjTR9ZVVmNAVaVkBqgpJwIXII81VuIg/cD9+KO5+OUMKUCvXEi3SYY3zDQGWoRaegpvo+2W0RIMvv3QUOTlSdhfTCuzy9NebaRaPPGbMHKJInFFKyDm/2ABdm1MbP9QonsY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743160922; c=relaxed/simple; bh=tI0s+XqMzbOXtR3wees2SBwNPieMqGD2JPuPiVKR4GU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=mmPtV9m+1e4XdJ0RfC3cf+9I+UEnE+cQjOpwtwAMGivC/sFv61HmZFZkeJfCmRNU1MCw9S7n+e8Z+1tZzCthPCosixWvl802cNfvgtXCib6JJkHGL3DBJP7GvTQea3dWAf1Rd351e5+TjLJQzkUMI6UpP2tihMKAcGkPAC7v/5A= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=vQMobnX/; 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="vQMobnX/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CC286C4CEE4; Fri, 28 Mar 2025 11:21:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743160922; bh=tI0s+XqMzbOXtR3wees2SBwNPieMqGD2JPuPiVKR4GU=; h=From:To:Cc:Subject:Date:From; b=vQMobnX/+/6dk+eG47Ovx4iDisf2Hc+i3S7huL2zhwwwWdHyW1Uv8JWjiuL/kM5nP bGzMWth1uXlbImw2paJsFWt0QyfrWhRgowWc85iCfW+EFDG5fk/MobHGaipP6Dih3n xxvIrx0CWYQ4KlRp50WbUdGchulmkP9BKFJNF7AWv0YChAgw//jpx1jVMaIOubPded 7TLGRpfVW1iIkyMM20KbcyYalMhhbIOUHxAlkw66Gr9r8uI9LeHUEdFbibqooBePCo urhK7nUYVAQnSntFwHqkulxeMAbAfyyWRUS8lgYHg0/6XkBA6idI1iS5nm06lJpd5+ N685At++kdGEA== From: Arnd Bergmann To: Masahiro Yamada , Rae Moar , Shuah Khan , =?utf-8?q?Sergio_Gonz=C3=A1lez_Coll?= =?utf-8?q?ado?= , David Gow Cc: Arnd Bergmann , Nathan Chancellor , Nicolas Schier , Mostafa Saleh , linux-kbuild@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] scripts/mksysmap: skip objtool __pfx_ symbols Date: Fri, 28 Mar 2025 11:48:19 +0100 Message-Id: <20250328112156.2614513-1-arnd@kernel.org> X-Mailer: git-send-email 2.39.5 Precedence: bulk X-Mailing-List: linux-kbuild@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Arnd Bergmann The recently added testcase for overly long symbols triggers when CONFIG_FUNCTION_PADDING_CFI is set: Symbol __pfx_snnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nnng1h2i3j4k5l6m7ng1h2i3j4k5l6m7nng1h2i3j4k5l6m7ng1h2i3j4k5l6m7n too long for kallsyms (517 >= 512). Please increase KSYM_NAME_LEN both in kernel and kallsyms.c Change the mksymtab table so the prefixed symbols are not included in kallsyms. Fixes: c104c16073b7 ("Kunit to check the longest symbol length") Signed-off-by: Arnd Bergmann --- scripts/mksysmap | 3 +++ 1 file changed, 3 insertions(+) diff --git a/scripts/mksysmap b/scripts/mksysmap index 3accbdb269ac..33df38ede1e0 100755 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -59,6 +59,9 @@ # EXPORT_SYMBOL (namespace) / __kstrtabns_/d +# prefixed symbols from objtool +/ __pfx_/d + # --------------------------------------------------------------------------- # Ignored suffixes # (do not forget '$' after each pattern)