linux-kernel - Re: [PATCH v3 3/3] kbuild: generate autoksyms.h early

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Message-ID: <20200212195628.GA120870@google.com>
Date:   Wed, 12 Feb 2020 19:56:28 +0000
From:   Quentin Perret <qperret@...gle.com>
To:     kbuild test robot <lkp@...el.com>
Cc:     kbuild-all@...ts.01.org, masahiroy@...nel.org, nico@...xnic.net,
        linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org,
        maennich@...gle.com, kernel-team@...roid.com, jeyu@...nel.org,
        hch@...radead.org
Subject: Re: [PATCH v3 3/3] kbuild: generate autoksyms.h early

On Tuesday 11 Feb 2020 at 10:14:14 (+0800), kbuild test robot wrote:
> Hi Quentin,
> 
> Thank you for the patch! Yet something to improve:
> 
> [auto build test ERROR on kbuild/for-next]
> [also build test ERROR on linux/master linus/master v5.6-rc1 next-20200210]
> [if your patch is applied to the wrong git tree, please drop us a note to help
> improve the system. BTW, we also suggest to use '--base' option to specify the
> base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
> 
> url:    https://github.com/0day-ci/linux/commits/Quentin-Perret/kbuild-allow-symbol-whitelisting-with-TRIM_UNUSED_KSYM/20200211-020659
> base:   https://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git for-next
> config: i386-randconfig-c002-20200211 (attached as .config)
> compiler: gcc-7 (Debian 7.5.0-4) 7.5.0
> reproduce:
>         # save the attached .config to linux build tree
>         make ARCH=i386 
> 
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@...el.com>
> 
> All errors (new ones prefixed by >>):
> 
> >> ERROR: "trace_event_raw_init" [lib/objagg.ko] undefined!
> >> ERROR: "trace_event_reg" [lib/objagg.ko] undefined!
> >> ERROR: "ida_destroy" [lib/objagg.ko] undefined!
> >> ERROR: "rhashtable_destroy" [lib/objagg.ko] undefined!
> >> ERROR: "kmalloc_order_trace" [lib/objagg.ko] undefined!
> >> ERROR: "sort" [lib/objagg.ko] undefined!
> >> ERROR: "__raw_spin_lock_init" [lib/objagg.ko] undefined!
> >> ERROR: "rhashtable_init" [lib/objagg.ko] undefined!
> >> ERROR: "rht_bucket_nested" [lib/objagg.ko] undefined!
> >> ERROR: "__list_del_entry_valid" [lib/objagg.ko] undefined!
> >> ERROR: "__rht_bucket_nested" [lib/objagg.ko] undefined!
> >> ERROR: "kmem_cache_alloc_trace" [lib/objagg.ko] undefined!
> >> ERROR: "kmalloc_caches" [lib/objagg.ko] undefined!
> >> ERROR: "queue_work_on" [lib/objagg.ko] undefined!
> >> ERROR: "system_wq" [lib/objagg.ko] undefined!
> >> ERROR: "kfree" [lib/objagg.ko] undefined!
> >> ERROR: "__list_add_valid" [lib/objagg.ko] undefined!
> >> ERROR: "lockdep_rht_bucket_is_held" [lib/objagg.ko] undefined!
> >> ERROR: "rhashtable_insert_slow" [lib/objagg.ko] undefined!
> >> ERROR: "__local_bh_enable_ip" [lib/objagg.ko] undefined!

I find myself unable to reproduce this error on my box. Could you please
provide the full build log ?

In the meantime I'll proceed to send a v4.

Thanks,
Quentin