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08 Jun 2020 07:21:34 -0700 Date: Mon, 8 Jun 2020 22:20:53 +0800 From: Philip Li To: Mark Brown Subject: Re: [kbuild-all] Re: [PATCH 4/5] arm64: vdso: Add getcpu() implementation Message-ID: <20200608142053.GA11708@intel.com> References: <20200605131131.16491-5-broonie@kernel.org> <202006060044.bdshhJta%lkp@intel.com> <20200605163508.GJ5413@sirena.org.uk> <20200608110901.GA4593@sirena.org.uk> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200608110901.GA4593@sirena.org.uk> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200608_072140_127972_D1782413 X-CRM114-Status: GOOD ( 15.92 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kbuild-all@lists.01.org, kernel test robot , Catalin Marinas , Li Zhijian , Andrei Vagin , Vincenzo Frascino , Will Deacon , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Mon, Jun 08, 2020 at 12:09:01PM +0100, Mark Brown wrote: > On Mon, Jun 08, 2020 at 03:46:57PM +0800, Li Zhijian wrote: > > On 6/6/20 12:35 AM, Mark Brown wrote: > = > > > > arch/arm64/kernel/vdso/vgettimeofday.c:9:5: warning: no previous pr= ototype for '__kernel_clock_gettime' [-Wmissing-prototypes] > > > > 9 | int __kernel_clock_gettime(clockid_t clock, > > > > | ^~~~~~~~~~~~~~~~~~~~~~ > = > > > I'm not seeing this here and what we're doing is in line with the > > > existing idiom as can be seen from the __kernel_clock_gettime() code > > > flagging the same thing. Possibly an old/outdated toolchain? > = > > Actually, the origin mail contained 4 warnings,=A0 and only one is *new= *, as > > the mail mentioned that > = > > > All warnings (new ones prefixed by >>, old ones prefixed by <<): > = > > 0Day/LKP had marked the *new* ones prefixed by '>>' > = > My point here is that all the warnings, both old and new, look spurious > and the new warning comes from following the pattern that generates the > existing warnings. I'm not seeing any of those warnings locally or in > other build services like KernelCI. Thanks Mark for the input. Here the 0-day kernel bot uses W=3D1 to build wh= ich is mentioned as part of reproduce step. > reproduce (this is a W=3D1 build): And we just add FAQ at https://github.com/intel/lkp-tests/wiki/LKP-FAQ#how-= is-one-meant-to-act-on-w1-reports-like--wmissing-prototypes to explain the the missing-prototypes warning, hope this can provide extra information. Thanks > _______________________________________________ > kbuild-all mailing list -- kbuild-all@lists.01.org > To unsubscribe send an email to kbuild-all-leave@lists.01.org _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel