From mboxrd@z Thu Jan 1 00:00:00 1970 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 0209F13C82E; Sun, 30 Mar 2025 16:27:19 +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=1743352041; cv=none; b=VowQgL6Xr4pPMKVGBTAD3G+7EF/Z/7CkbtIV64XbMy/zcgpN0M/EI0tRQ9oFjHwt63aivYou+z1CNSKzNnE4CqBH3szUoiC8/r6sHGe+jn88CQV/qu+vNNnV8ya1qIKX2bpu3K3Bd+K+QVTqZcDDcGk7KeUvJJtr/I2KNPrx4ag= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1743352041; c=relaxed/simple; bh=yuMDCsvKposzeCXdACJMvrgg4d8ecEbiYd0TqCc6xDA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cpN7xGO1QWr+YX4lXTRCjrGhYLJ8PSYhHypcRKIQjleWFTuvuaiztQAB+CFsxvaiJ9yRtTIRcwDkFpd2Nsc5GY4DJ+pGMQ0c8rYbVJgkoP0kzEAjuJkuM2EGyRRtAMlHWPhu1Qx1VNCTmeKnfrcWv+yiLkVToQVuRIdIXw2CJLg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D4jFHaHR; 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="D4jFHaHR" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0C723C4CEDD; Sun, 30 Mar 2025 16:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1743352039; bh=yuMDCsvKposzeCXdACJMvrgg4d8ecEbiYd0TqCc6xDA=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=D4jFHaHRI12716bfNvJgcPxS24ys+wqORlM92WFk5+YD677HEPa1+CiV40JyA1vyl 9TlXBWePxEj143MYOjzwsSRFKFl1w/N3lJ/EjS/XynRGalo+jWShUGzWC1S2C0h7qa owgE/ZFgsZGU1ZgPDtocRYMNXSxwIrxIChpSr0G5z5vdevPpqqB78hxaLmlQeddDWQ wqXYPkzxOgO1E5Kq4fz3jaXtfLq+hHY8WSyATN17SmZ0GE/DOz/9HiONNY2b6tpezx eQaO4RbHC1YU63hDr6QPvXXCo3jsuUD4aKLE2wI5njAVJot7MNzZPPN80yotW7au94 WpoDT1Fgc1z3w== Message-ID: Date: Sun, 30 Mar 2025 18:27:15 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: sound/soc/codecs/snd-soc-wcd934x.o: warning: objtool: .text.wcd934x_slim_irq_handler: unexpected end of section To: Oliver Sang Cc: kernel test robot , oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Mark Brown References: <202503180044.oH9gyPeg-lkp@intel.com> <80b1351d-3860-4849-b18a-0e736fe458fc@kernel.org> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 21/03/2025 02:24, Oliver Sang wrote: > hi, Krzysztof, > > On Mon, Mar 17, 2025 at 06:02:14PM +0100, Krzysztof Kozlowski wrote: >> On 17/03/2025 17:24, kernel test robot wrote: >>> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master >>> head: 4701f33a10702d5fc577c32434eb62adde0a1ae1 >>> commit: 9ea22713227397b56a2b36a68c8bda13f0b43d70 ASoC: codecs: wcd934x: Handle nicer probe deferral and simplify with dev_err_probe() >>> date: 9 months ago >>> config: x86_64-randconfig-102-20250317 (https://download.01.org/0day-ci/archive/20250318/202503180044.oH9gyPeg-lkp@intel.com/config) >>> compiler: clang version 20.1.0 (https://github.com/llvm/llvm-project 24a30daaa559829ad079f2ff7f73eb4e18095f88) >>> reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250318/202503180044.oH9gyPeg-lkp@intel.com/reproduce) >>> >>> If you fix the issue in a separate patch/commit (i.e. not just a new version of >>> the same patch/commit), kindly add following tags >>> | Reported-by: kernel test robot >>> | Closes: https://lore.kernel.org/oe-kbuild-all/202503180044.oH9gyPeg-lkp@intel.com/ >>> >>> All warnings (new ones prefixed by >>): >>> >>>>> sound/soc/codecs/snd-soc-wcd934x.o: warning: objtool: .text.wcd934x_slim_irq_handler: unexpected end of section >> >> I cannot reproduce it on clang-18 and clang-19 (I do not have clang-20 >> in my distros) and I do not see how original commit could trigger this >> warning. > > we double confirmed, the issue is really only reproduced on clang-20 > > linux$make W=1 LLVM=1 -j32 ARCH=x86_64 > > ... > > LD [M] sound/soc/codecs/snd-soc-lpass-va-macro.o > sound/soc/codecs/snd-soc-wcd934x.o: warning: objtool: .text.wcd934x_slim_irq_handler: unexpected end of section <---- > > > but cannot be reproduced on clang-19 > > linux$make W=1 LLVM=1 -j32 ARCH=x86_64 Thanks, I still think this is a bug in clang because of two reasons: 1. Code looks correct, 2. I really, really, really do not see how 9ea22713227397b56a2b36a68c8bda13f0b43d70, which is marked as as the culprit, could cause it. Best regards, Krzysztof