Hi Piotr, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on userns/for-next] [also build test WARNING on linus/master hnaz-linux-mm/master v5.11-rc3 next-20210113] [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] url: https://github.com/0day-ci/linux/commits/Piotr-Figiel/fs-proc-Expose-RSEQ-configuration/20210114-014431 base: https://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace.git for-next config: mips-randconfig-r011-20210113 (attached as .config) compiler: mipsel-linux-gcc (GCC) 9.3.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/ac6c42405fbb35bb266d602e4d9a303e68fadc21 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Piotr-Figiel/fs-proc-Expose-RSEQ-configuration/20210114-014431 git checkout ac6c42405fbb35bb266d602e4d9a303e68fadc21 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=mips If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): fs/proc/base.c: In function 'proc_pid_rseq': >> fs/proc/base.c:674:33: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] 674 | seq_printf(m, "0x%llx 0x%x\n", (uint64_t)task->rseq, task->rseq_sig); | ^ vim +674 fs/proc/base.c 665 666 #ifdef CONFIG_RSEQ 667 static int proc_pid_rseq(struct seq_file *m, struct pid_namespace *ns, 668 struct pid *pid, struct task_struct *task) 669 { 670 int res = lock_trace(task); 671 672 if (res) 673 return res; > 674 seq_printf(m, "0x%llx 0x%x\n", (uint64_t)task->rseq, task->rseq_sig); 675 unlock_trace(task); 676 return 0; 677 } 678 #endif /* CONFIG_RSEQ */ 679 #endif /* CONFIG_HAVE_ARCH_TRACEHOOK */ 680 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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