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 4BC473033EA; Fri, 13 Mar 2026 00:43:53 +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=1773362633; cv=none; b=BmyzGlRVCCOntVqR0dEPEHaLQvEeIrROkwViOV/3xLkj7rbpHVEMpIHOPraW41KEs6QCSs6DINmdufO6CkCtiU+FijMy2ctPK7IDWWEmULzbOOm+hU4lPqcVNA82zzFmT0UK7s5p23I+hVm1nPRa3GhL/91GJh2j1fy7MTc1GYg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773362633; c=relaxed/simple; bh=LTD2lbQAO+tJ271s0nzasUduJV8H/UtDSQ4IGnu+i7w=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oqYKauMqjvpp9VkAHOtmQ/UtIcC+OlfiZ/XbktmF3Js8ifBGZKu18RkddxgDY5oczw0FsbOEk1GJcQTd1p9UKk7f/FT5BMXGy8nLf+NlUpXx6aU1Wi7xH6ACk1Pe9Lcg0g9Y6zc9KPPQZ0ibRGeck0hNcojNg+j/8qweTytJwcs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=A/zIAQn6; 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="A/zIAQn6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 97348C4CEF7; Fri, 13 Mar 2026 00:43:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773362632; bh=LTD2lbQAO+tJ271s0nzasUduJV8H/UtDSQ4IGnu+i7w=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=A/zIAQn66l1wIovKBLqDsTEs1t3BMEonh3pf+ZxkTPggb6rn9CG4GCL2/wBtWZPxG /bYDeV1xFAgey4IYWiafaPsQ132sjPdfg8nyiCwdedE2EBjWC2uH97/eq/lrlm2PLy TNoGPxqDpaMgF5VVefI4q33ow/JTGYWfK4nDDdaaDPTNluZJZZc2xkOTXbKPVomavg 13c6p3RwjNgI7maf0GOWPPkG/k5ikTbeT6MFDFlTP99cjfrARUVLTndPl5QbrMKnHW qza/GLaTKdFRhblZHKhHXStKapuEE+5pCzVM8jmP+F+uwBWDbg+Q8nXOTUBJU96Cdw mfj9YSu46C1/A== Date: Thu, 12 Mar 2026 20:43:51 -0400 From: Sasha Levin To: Cal Peake Cc: Kernel Mailing List , stable@vger.kernel.org, Andrew Morton , Linus Torvalds , jslaby@suse.cz, gregkh@linuxfoundation.org Subject: Re: Linux 6.18.17 -- build regression Message-ID: References: <20260312112454.940017-1-sashal@kernel.org> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: On Thu, Mar 12, 2026 at 06:24:19PM -0400, Cal Peake wrote: >On Thu, 12 Mar 2026, Sasha Levin wrote: > >> I'm announcing the release of the 6.18.17 kernel. >> >> All users of the 6.18 kernel series must upgrade. >> > >Hi, > >This release breaks my build with the following output: > > LD .tmp_vmlinux1 >ld: drivers/cxl/acpi.o: in function `add_root_nvdimm_bridge': >acpi.c:(.text+0x16f): undefined reference to `devm_cxl_add_nvdimm_bridge' >make[2]: *** [scripts/Makefile.vmlinux:72: vmlinux.unstripped] Error 1 >make[1]: *** [/home/cal/linux/kernel/build/linux-6.18.17/Makefile:1242: vmlinux] Error 2 >make: *** [Makefile:248: __sub-make] Error 2 > >I've attached my gzipped config. Commit af9bf9889663 looks possibly >guilty, but I don't have time at the moment to fully verify. > >Please let me know if I can provide anything else. Hey, Thanks for the report! Could you please confirm that cherry-picking 93d0fcdddc9e ("cxl/acpi: Fix CXL_ACPI and CXL_PMEM Kconfig tristate mismatch") fixes the issue you're seeing? -- Thanks, Sasha