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McKenney" , llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, John Stultz , Thomas Gleixner , Stephen Boyd , linux-kernel@vger.kernel.org Subject: Re: [PATCH] clocksource: Use correct limit for wd-cs-wd read back delay in printing Message-ID: <20250801024253.GA360@bytedance> References: <20250731120454.GA309@bytedance> <202508010911.AmkxEw1p-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <202508010911.AmkxEw1p-lkp@intel.com> On Fri, Aug 01, 2025 at 09:48:40AM +0800, kernel test robot wrote: > Hi Aaron, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on tip/timers/core] > [also build test WARNING on linus/master v6.16 next-20250731] > [If your patch is applied to the wrong git tree, kindly drop us a note. > And when submitting patch, we suggest to use '--base' as documented in > https://git-scm.com/docs/git-format-patch#_base_tree_information] > > url: https://github.com/intel-lab-lkp/linux/commits/Aaron-Lu/clocksource-Use-correct-limit-for-wd-cs-wd-read-back-delay-in-printing/20250731-200709 > base: tip/timers/core > patch link: https://lore.kernel.org/r/20250731120454.GA309%40bytedance > patch subject: [PATCH] clocksource: Use correct limit for wd-cs-wd read back delay in printing > config: i386-buildonly-randconfig-001-20250801 (https://download.01.org/0day-ci/archive/20250801/202508010911.AmkxEw1p-lkp@intel.com/config) > compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250801/202508010911.AmkxEw1p-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot > | Closes: https://lore.kernel.org/oe-kbuild-all/202508010911.AmkxEw1p-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > >> kernel/time/clocksource.c:293:43: warning: format specifies type 'long' but the argument has type 'int64_t' (aka 'long long') [-Wformat] > 292 | pr_warn("timekeeping watchdog on CPU%d: wd-%s-wd excessive read-back delay of %lldns vs. limit of %ldns, wd-wd read-back delay only %lldns, attempt %d, marking %s unstable\n", > | ~~~ > | %lld Thanks for catching this, will fix it in next version. > 293 | smp_processor_id(), cs->name, wd_delay, md + cs->uncertainty_margin, wd_seq_delay, nretries, cs->name); > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~