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 AF362C4167B for ; Wed, 9 Mar 2022 16:24:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231540AbiCIQZd (ORCPT ); Wed, 9 Mar 2022 11:25:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47108 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238087AbiCIQVQ (ORCPT ); Wed, 9 Mar 2022 11:21:16 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F2CDE151D1C; Wed, 9 Mar 2022 08:18:28 -0800 (PST) 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 ams.source.kernel.org (Postfix) with ESMTPS id 9230DB82206; Wed, 9 Mar 2022 16:18:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A7B3C340F4; Wed, 9 Mar 2022 16:18:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1646842706; bh=qyUSrm97P+ZfSNFz2/ZXRa42gbGKX1WKDF/8LJIGHEg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EVDMWmanywUZH0PgYh7HAFXf/ZYGrHvnXGE0hOy0Fa1URcKloZ1J0OQnOs9EgGkvp FstW3OHBW9gsmXaTt+/JUEzRi8z6ODVEucr0Wq2ExJFfo5/WOutwhMhqPqwjf1tC+w FcaiW3yoJXzgvBBgnWEHq1tulG3c6LET6Jmd5Ue5JGaWkxjKW/ZKbV4auR9ebui8gi dBtw/b0jKxkZcoevi+bTLT1U4DGxx54GVLFv3eK68xY6f/FDQnrK8fQGRoqI9fVtze GPWK2XQdBiTNCODYEnK4pPakDaQT5mEv9Pp5K16oSn9eM6PEY2WQgwLdettLm2Mb5i 7S6PT/uIHVQrA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Julian Braha , Russell King , Sasha Levin , jarkko@kernel.org, James.Bottomley@HansenPartnership.com, arnd@arndb.de, richard@nod.at, johannes.berg@intel.com, mcroce@microsoft.com Subject: [PATCH AUTOSEL 5.16 13/27] ARM: 9178/1: fix unmet dependency on BITREVERSE for HAVE_ARCH_BITREVERSE Date: Wed, 9 Mar 2022 11:16:50 -0500 Message-Id: <20220309161711.135679-13-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220309161711.135679-1-sashal@kernel.org> References: <20220309161711.135679-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Julian Braha [ Upstream commit 11c57c3ba94da74c3446924260e34e0b1950b5d7 ] Resending this to properly add it to the patch tracker - thanks for letting me know, Arnd :) When ARM is enabled, and BITREVERSE is disabled, Kbuild gives the following warning: WARNING: unmet direct dependencies detected for HAVE_ARCH_BITREVERSE Depends on [n]: BITREVERSE [=n] Selected by [y]: - ARM [=y] && (CPU_32v7M [=n] || CPU_32v7 [=y]) && !CPU_32v6 [=n] This is because ARM selects HAVE_ARCH_BITREVERSE without selecting BITREVERSE, despite HAVE_ARCH_BITREVERSE depending on BITREVERSE. This unmet dependency bug was found by Kismet, a static analysis tool for Kconfig. Please advise if this is not the appropriate solution. Signed-off-by: Julian Braha Signed-off-by: Russell King (Oracle) Signed-off-by: Sasha Levin --- lib/Kconfig | 1 - 1 file changed, 1 deletion(-) diff --git a/lib/Kconfig b/lib/Kconfig index 5e7165e6a346..fa4b10322efc 100644 --- a/lib/Kconfig +++ b/lib/Kconfig @@ -45,7 +45,6 @@ config BITREVERSE config HAVE_ARCH_BITREVERSE bool default n - depends on BITREVERSE help This option enables the use of hardware bit-reversal instructions on architectures which support such operations. -- 2.34.1