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SubjectRe: [PATCH v2 08/17] libnvdimm: introduce nvdimm_flush() and nvdimm_has_flush()
On Sat, Jul 9, 2016 at 9:47 PM, kbuild test robot <lkp@intel.com> wrote:
> Hi,
>
> [auto build test ERROR on linux-nvdimm/libnvdimm-for-next]
> [also build test ERROR on next-20160708]
> [cannot apply to v4.7-rc6]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
>
> url: https://github.com/0day-ci/linux/commits/Dan-Williams/replace-pcommit-with-ADR-or-directed-flushing/20160710-113558
> base: https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
> config: i386-randconfig-r0-201628 (attached as .config)
> compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386

Hi kbuild team,

Can we add an "i386 allmodconfig" build to the standard "BUILD
SUCCESS" notification runs? I had two positive build results on a
private branch prior to posting this series, but the i386 runs did not
build the nvdimm sub-system.

In any event this report is valid, so thank you for that!


>
> All errors (new ones prefixed by >>):
>
> drivers/nvdimm/region_devs.c: In function 'nvdimm_flush':
>>> drivers/nvdimm/region_devs.c:887:4: error: implicit declaration of function 'writeq' [-Werror=implicit-function-declaration]
> writeq(1, ndrd->flush_wpq[i][0]);
> ^~~~~~
> cc1: some warnings being treated as errors
>
> vim +/writeq +887 drivers/nvdimm/region_devs.c
>
> 881 * writes to avoid the cache via arch_memcpy_to_pmem(). The
> 882 * final wmb() ensures ordering for the NVDIMM flush write.
> 883 */
> 884 wmb();
> 885 for (i = 0; i < nd_region->ndr_mappings; i++)
> 886 if (ndrd->flush_wpq[i][0])
> > 887 writeq(1, ndrd->flush_wpq[i][0]);
> 888 wmb();
> 889 }
> 890 EXPORT_SYMBOL_GPL(nvdimm_flush);
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation

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