Am Mittwoch, 13. November 2019, 01:14:05 CET schrieb kbuild test robot: Hi kbuild, > Hi "Stephan, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on char-misc/char-misc-testing] > [also build test ERROR on v5.4-rc7 next-20191112] > [if your patch is applied to the wrong git tree, please drop us a note to > help improve the system. BTW, we also suggest to use '--base' option to > specify the base tree in git format-patch, please see > https://stackoverflow.com/a/37406982] > > url: > https://github.com/0day-ci/linux/commits/Stephan-M-ller/dev-random-a-new-ap > proach-with-full-SP800-90B-compliance/20191113-040847 base: > https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git > 01b59c763fe2de845b65900485b141fdd7bbf93e config: mips-allmodconfig > (attached as .config) > compiler: mips-linux-gcc (GCC) 7.4.0 > reproduce: > wget > https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O > ~/bin/make.cross chmod +x ~/bin/make.cross > # save the attached .config to linux build tree > GCC_VERSION=7.4.0 make.cross ARCH=mips > > If you fix the issue, kindly add following tag > Reported-by: kbuild test robot <lkp@xxxxxxxxx> > > All errors (new ones prefixed by >>): > > drivers/char/lrng/lrng_sw_noise.c: In function 'add_interrupt_randomness': > >> drivers/char/lrng/lrng_sw_noise.c:145:23: error: invalid application of > >> 'sizeof' to incomplete type 'struct pt_regs' > size_t n = (sizeof(struct pt_regs) / sizeof(u32)); > ^~~~~~ > > >> drivers/char/lrng/lrng_sw_noise.c:147:9: error: implicit declaration of > >> function 'instruction_pointer'; did you mean 'instruction_hazard'? > >> [-Werror=implicit-function-declaration] > ip = instruction_pointer(regs); > ^~~~~~~~~~~~~~~~~~~ > instruction_hazard > cc1: some warnings being treated as errors > > vim +145 drivers/char/lrng/lrng_sw_noise.c Thank you for the report. Both issues are fixed by including <asm/ptrace.h>. This will be fixed with the next installment of the patch. > > 125 > 126 /** > 127 * Hot code path - Callback for interrupt handler > 128 */ > 129 void add_interrupt_randomness(int irq, int irq_flags) > 130 { > 131 lrng_time_process(); > 132 > 133 if (!lrng_pool_highres_timer()) { > 134 struct pt_regs *regs = get_irq_regs(); > 135 static atomic_t reg_idx = ATOMIC_INIT(0); > 136 u64 ip; > 137 > 138 lrng_pool_lfsr_u32(jiffies); > 139 lrng_pool_lfsr_u32(irq); > 140 lrng_pool_lfsr_u32(irq_flags); > 141 > 142 if (regs) { > 143 u32 *ptr = (u32 *)regs; > 144 int reg_ptr = atomic_add_return_relaxed(1, ®_idx); > > > 145 size_t n = (sizeof(struct pt_regs) / sizeof(u32)); > > 146 > > > 147 ip = instruction_pointer(regs); > > --- > 0-DAY kernel test infrastructure Open Source Technology > Center https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Intel > Corporation Ciao Stephan
