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Date: Sat, 29 Oct 2016 18:36:57 -0400
From: Paul Gortmaker <paul.gortmaker@...driver.com>
To: kbuild test robot <lkp@...el.com>
CC: <kbuild-all@...org>, <linux-kernel@...r.kernel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Matias Bjorling <mb@...htnvm.io>
Subject: Re: [PATCH 1/3] lightnvm: make core.c explicitly non-modular
[Re: [PATCH 1/3] lightnvm: make core.c explicitly non-modular] On 30/10/2016 (Sun 06:01) kbuild test robot wrote:
> Hi Paul,
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.9-rc3 next-20161028]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
As per the 0/3 mail, these commits are specific to Greg's char-misc
tree, and it was known they would fail on current "master".
> [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
Does the above apply to _any_ tree on kernel.org? Or just commits
merged into mainline already? Since the base here is only in Greg's
repo and maybe also in some linux-next trees.
Thanks,
Paul.
--
> [Check https://git-scm.com/docs/git-format-patch for more information]
>
> url: https://github.com/0day-ci/linux/commits/Paul-Gortmaker/lightnvm-make-core-c-explicitly-non-modular/20161030-044459
> config: i386-randconfig-x073-201644 (attached as .config)
> compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386
>
> All error/warnings (new ones prefixed by >>):
>
> >> drivers/lightnvm/core.c:1169:1: warning: data definition has no type or storage class
> builtin_misc_device(_nvm_misc);
> ^~~~~~~~~~~~~~~~~~~
> >> drivers/lightnvm/core.c:1169:1: error: type defaults to 'int' in declaration of 'builtin_misc_device' [-Werror=implicit-int]
> >> drivers/lightnvm/core.c:1169:1: warning: parameter names (without types) in function declaration
> >> drivers/lightnvm/core.c:1163:26: warning: '_nvm_misc' defined but not used [-Wunused-variable]
> static struct miscdevice _nvm_misc = {
> ^~~~~~~~~
> Cyclomatic Complexity 5 include/linux/compiler.h:__write_once_size
> Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls
> Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32
> Cyclomatic Complexity 1 include/linux/list.h:__list_add
> Cyclomatic Complexity 1 include/linux/list.h:list_add
> Cyclomatic Complexity 1 include/linux/list.h:__list_del
> Cyclomatic Complexity 1 include/linux/list.h:list_del
> Cyclomatic Complexity 1 include/asm-generic/getorder.h:__get_order
> Cyclomatic Complexity 1 include/linux/spinlock.h:spinlock_check
> Cyclomatic Complexity 1 include/linux/slab.h:__kmalloc_node
> Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_order_trace
> Cyclomatic Complexity 67 include/linux/slab.h:kmalloc_large
> Cyclomatic Complexity 3 include/linux/slab.h:kmalloc
> Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_node
> Cyclomatic Complexity 1 include/linux/slab.h:kzalloc_node
> Cyclomatic Complexity 1 include/linux/lightnvm.h:generic_to_dev_addr
> Cyclomatic Complexity 1 include/linux/lightnvm.h:dev_to_generic_addr
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_dev_dma_alloc
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_dev_dma_free
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_get_blk
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_put_blk
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_mark_blk
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_submit_io
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_erase_blk
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_addr_to_generic_mode
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_generic_to_addr_mode
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_free_rqd_ppalist
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_end_io
> Cyclomatic Complexity 5 drivers/lightnvm/core.c:nvm_bb_tbl_fold
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_get_bb_tbl
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_free_mgr
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_alloc_dev
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_find_mgr_type
> Cyclomatic Complexity 5 drivers/lightnvm/core.c:nvm_find_target_type
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_register_tgt_type
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_unregister_tgt_type
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_unregister_mgr
> Cyclomatic Complexity 3 include/linux/err.h:IS_ERR_OR_NULL
> Cyclomatic Complexity 8 drivers/lightnvm/core.c:nvm_init_mgr
> Cyclomatic Complexity 4 drivers/lightnvm/core.c:nvm_register_mgr
> Cyclomatic Complexity 9 drivers/lightnvm/core.c:nvm_set_rqd_ppalist
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_erase_ppa
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_end_io_sync
> Cyclomatic Complexity 1 include/linux/completion.h:init_completion
> Cyclomatic Complexity 5 drivers/lightnvm/core.c:__nvm_submit_ppa
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_submit_ppa_list
> Cyclomatic Complexity 2 drivers/lightnvm/core.c:nvm_submit_ppa
> Cyclomatic Complexity 5 include/linux/slab.h:kmalloc_array
> Cyclomatic Complexity 1 include/linux/slab.h:kcalloc
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_init_slc_tbl
> Cyclomatic Complexity 5 drivers/lightnvm/core.c:nvm_init_mlc_tbl
> Cyclomatic Complexity 9 drivers/lightnvm/core.c:nvm_core_init
> Cyclomatic Complexity 7 drivers/lightnvm/core.c:nvm_init
> Cyclomatic Complexity 10 drivers/lightnvm/core.c:nvm_register
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_exit
> Cyclomatic Complexity 1 drivers/lightnvm/core.c:nvm_unregister
> Cyclomatic Complexity 3 drivers/lightnvm/core.c:nvm_free
> cc1: some warnings being treated as errors
>
> vim +1169 drivers/lightnvm/core.c
>
> 1157 .open = nonseekable_open,
> 1158 .unlocked_ioctl = nvm_ctl_ioctl,
> 1159 .owner = THIS_MODULE,
> 1160 .llseek = noop_llseek,
> 1161 };
> 1162
> > 1163 static struct miscdevice _nvm_misc = {
> 1164 .minor = MISC_DYNAMIC_MINOR,
> 1165 .name = "lightnvm",
> 1166 .nodename = "lightnvm/control",
> 1167 .fops = &_ctl_fops,
> 1168 };
> > 1169 builtin_misc_device(_nvm_misc);
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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