From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5A35DC3F6B0 for ; Tue, 2 Aug 2022 01:51:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235501AbiHBBvr (ORCPT ); Mon, 1 Aug 2022 21:51:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235481AbiHBBvn (ORCPT ); Mon, 1 Aug 2022 21:51:43 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B6462CC93; Mon, 1 Aug 2022 18:51:38 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id ED3356109E; Tue, 2 Aug 2022 01:51:37 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97680C433D7; Tue, 2 Aug 2022 01:51:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1659405097; bh=J1kZYuBmy2p9V5rJr5cWhtju3zoN163Uf1mW1Uq9geI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=M5AxP4mf4Iu3qEUZfXedzNz44vtyOofAn711pkzt4+DjVe7y+vBnBYB3ORnEwewTF g3JZIrZlG3+/r2GsZvkertUOTRHDQ4xpq9HwC/vFTUEed/ddDdupy3AaRdzQOM61B2 25K+ibXl/MR3xk6VK/o4djWkFi28TRcZAzAvtcJvGrHvMyc23FKW4m9ff9eJ2UzeG+ Cy5YwMvZ91HS5JGrOyDm5Fm65OEu3Hidy7UU7iQOwRV8HTE0WKwHkuXrCqqjGj99HT K1wKSGiNfA4RcYSvVE7yF+H211jM2NBf9jhKo1ck3+tCaES7gO+PANehJDpHbeYeyk wJZDNAJyKXMXA== From: Miguel Ojeda To: Linus Torvalds , Greg Kroah-Hartman Cc: rust-for-linux@vger.kernel.org, linux-kernel@vger.kernel.org, Jarkko Sakkinen , Miguel Ojeda , Boqun Feng Subject: [PATCH v8 03/31] kallsyms: add static relationship between `KSYM_NAME_LEN{,_BUFFER}` Date: Tue, 2 Aug 2022 03:49:50 +0200 Message-Id: <20220802015052.10452-4-ojeda@kernel.org> In-Reply-To: <20220802015052.10452-1-ojeda@kernel.org> References: <20220802015052.10452-1-ojeda@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: rust-for-linux@vger.kernel.org This adds a static assert to ensure `KSYM_NAME_LEN_BUFFER` gets updated when `KSYM_NAME_LEN` changes. The relationship used is one that keeps the new size (512+1) close to the original buffer size (500). Co-developed-by: Boqun Feng Signed-off-by: Boqun Feng Signed-off-by: Miguel Ojeda --- scripts/kallsyms.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index f3c5a2623f71..f543b1c4f99f 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -33,7 +33,11 @@ #define KSYM_NAME_LEN 128 /* A substantially bigger size than the current maximum. */ -#define KSYM_NAME_LEN_BUFFER 499 +#define KSYM_NAME_LEN_BUFFER 512 +_Static_assert( + KSYM_NAME_LEN_BUFFER == KSYM_NAME_LEN * 4, + "Please keep KSYM_NAME_LEN_BUFFER in sync with KSYM_NAME_LEN" +); struct sym_entry { unsigned long long addr; -- 2.37.1