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Sun, 13 Nov 2022 01:11:29 +0000 Message-ID: Date: Sat, 12 Nov 2022 17:11:27 -0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: include: linux: slab: kmalloc_trace undefined when compiling drivers Content-Language: en-US To: Ian Cowan Cc: cl@linux.com, penberg@kernel.org, rientjes@google.com, iamjoonsoo.kim@lge.com, roman.gushchin@linux.dev, 42.hyeyoo@gmail.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <1df133ef-d5e9-f323-7c67-fc9ffed04274@infradead.org> From: Randy Dunlap In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1668301901; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=ouyz0uvCF051aOaxqe1j8nXB1jO4S3Lii7seD6A2SpY=; b=xBamuvTxp+LK/6CumU3AChvEUQPAFiZHAy9J6zqy2HhCORe8DG/MUBYXRFb7N+ftjysC8V ti38pMiNcNQKntu9OrT+C4nnlMI8Aa7z4NyC5L04fU9TcnvxW12UWfgAnpWb0wd6ONcDQx tsQLY+PUpG1T4Os/OVGmO25iY6eR71Q= ARC-Authentication-Results: i=1; imf25.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b="TS/BlNnR"; dmarc=none; spf=none (imf25.hostedemail.com: domain of rdunlap@infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=rdunlap@infradead.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1668301901; a=rsa-sha256; cv=none; b=oiuPPxI3Yw7eF2MJoDJ26WYzbeG2CDUZ0J9F+4dtO051dkz+8vkIZGMssuGdC9hhdxH+JD WnC4c+mAV8VDkww96qWIX+uVC85Ki8LexHqhJSiJFOBgZ2Xc88T8BmuvnVOBEaHKK7QtPn 027qzMYi+dp4gmDzndEjjwr9XTpleYA= X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 80585A0004 X-Rspam-User: Authentication-Results: imf25.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b="TS/BlNnR"; dmarc=none; spf=none (imf25.hostedemail.com: domain of rdunlap@infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=rdunlap@infradead.org X-Stat-Signature: 4wpfcahu54ay1ymgi3t3ky1wkb4dbzns X-HE-Tag: 1668301900-657804 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 11/12/22 16:43, Ian Cowan wrote: > On Sat, Nov 12, 2022 at 04:34:18PM -0800, Randy Dunlap wrote: >> >> >> On 11/12/22 13:59, Ian Cowan wrote: >>> On Sat, Nov 12, 2022 at 09:21:34AM -0800, Randy Dunlap wrote: >>>> Hi-- >>>> >>>> On 11/12/22 08:37, Ian Cowan wrote: >>>>> When compiling drivers (speficially drivers/pci/hotplug), I am receiving >>>>> the following modpost error for both `kmalloc_trace` and >>>>> `kmalloc_node_trace` on the staging/staging-next branch: >>>>> >> >> Ian, what do you mean by "on the staging/staging-next branch"? >> >> What kernel version are you trying to build? >> >> The .config that you sent is for v6.1.0-rc1. > > I am building from the staging repository (gregkh/staging) and my > working branch when building is staging-next. So I am trying to build > from staging and not a particular version. I have also run `make modules_prepare` > and updated the .config per that script. However, when I do build > v6.1.0-rc1 from the main repository (torvalds/linux), I run into the same problem. Have you built the entire kernel already and then you are trying to build only drivers/pci/hotplug? If I build *only* drivers/pci/hotplug, I do get undefined symbols: WARNING: modpost: "strcmp" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "kfree" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "pci_slots_kset" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "acpiphp_unregister_attention" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "acpi_remove_notify_handler" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "sysfs_remove_bin_file" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "acpi_evaluate_object" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "__kmalloc" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "memcpy" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: "acpi_walk_namespace" [drivers/pci/hotplug/acpiphp_ibm.ko] undefined! WARNING: modpost: suppressed 14 unresolved symbol warnings because there were too many) but that's understandable since the object files that would contain those symbols have not been built yet. -- ~Randy