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SubjectRE: [PATCH v2 08/17] libnvdimm: introduce nvdimm_flush() and nvdimm_has_flush()
Date


> -----Original Message-----
> From: Williams, Dan J
> Sent: Sunday, July 10, 2016 1:01 PM
> To: lkp <lkp@intel.com>
> Cc: kbuild-all@01.org; linux-nvdimm@lists.01.org; linux-fsdevel <linux-
> fsdevel@vger.kernel.org>; Linux ACPI <linux-acpi@vger.kernel.org>; Ross
> Zwisler <ross.zwisler@linux.intel.com>; Christoph Hellwig <hch@lst.de>; linux-
> kernel@vger.kernel.org
> Subject: Re: [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

Thanks, yes, currently i386 allmodconfig has been covered for all kinds of test including
kbiuld on registered repo or LKML patches. If the test is running on a repo for its new commits,
a BUILD SUCCESS mail, it will list the current coverage by the time the mail is sent out like

m32r m32104ut_defconfig
m32r mappi3.smp_defconfig
m32r opsput_defconfig
m32r usrv_defconfig
xtensa common_defconfig
xtensa iss_defconfig
i386 allmodconfig
mips jz4740
mips allnoconfig

> 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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