Hi Stephan, [auto build test ERROR on cryptodev/master] [also build test ERROR on v4.8-rc1] [cannot apply to next-20160811] [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/Stephan-Mueller/crypto-DRBG-externalize-DRBG-functions-for-LRNG/20160811-203346 base: https://git.kernel.org/pub/scm/linux/kernel/git/herbert/cryptodev-2.6.git master config: tile-allyesconfig (attached as .config) compiler: tilegx-linux-gcc (GCC) 4.6.2 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=tile All error/warnings (new ones prefixed by >>): crypto/lrng_base.c: In function 'add_interrupt_randomness': >> crypto/lrng_base.c:583:10: error: implicit declaration of function 'get_irq_regs' >> crypto/lrng_base.c:583:26: warning: initialization makes pointer from integer without a cast [enabled by default] cc1: some warnings being treated as errors vim +/get_irq_regs +583 crypto/lrng_base.c 22708393 Stephan Mueller 2016-08-11 567 } 22708393 Stephan Mueller 2016-08-11 568 22708393 Stephan Mueller 2016-08-11 569 /** 22708393 Stephan Mueller 2016-08-11 570 * Hot code path - Callback for interrupt handler 22708393 Stephan Mueller 2016-08-11 571 */ 22708393 Stephan Mueller 2016-08-11 572 void add_interrupt_randomness(int irq, int irq_flags) 22708393 Stephan Mueller 2016-08-11 573 { 22708393 Stephan Mueller 2016-08-11 574 u32 now_time = random_get_entropy(); 22708393 Stephan Mueller 2016-08-11 575 struct lrng_irq_info *irq_info = &lrng_pool.irq_info; 22708393 Stephan Mueller 2016-08-11 576 u32 irq_num = (u32)atomic_add_return(1, &irq_info->num_events); 22708393 Stephan Mueller 2016-08-11 577 22708393 Stephan Mueller 2016-08-11 578 if (lrng_pool.irq_info.irq_highres_timer) { 22708393 Stephan Mueller 2016-08-11 579 if (lrng_irq_stuck(irq_info, now_time)) 22708393 Stephan Mueller 2016-08-11 580 return; 22708393 Stephan Mueller 2016-08-11 581 lrng_pool_mixin((u8 *)&now_time, sizeof(now_time), irq_num); 22708393 Stephan Mueller 2016-08-11 582 } else { 22708393 Stephan Mueller 2016-08-11 @583 struct pt_regs *regs = get_irq_regs(); 22708393 Stephan Mueller 2016-08-11 584 static atomic_t reg_idx = ATOMIC_INIT(0); 22708393 Stephan Mueller 2016-08-11 585 22708393 Stephan Mueller 2016-08-11 586 struct { 22708393 Stephan Mueller 2016-08-11 587 long jiffies; 22708393 Stephan Mueller 2016-08-11 588 int irq; 22708393 Stephan Mueller 2016-08-11 589 int irq_flags; 22708393 Stephan Mueller 2016-08-11 590 u64 ip; 22708393 Stephan Mueller 2016-08-11 591 u32 curr_reg; :::::: The code at line 583 was first introduced by commit :::::: 227083931f3541c5430b40241419b56057555033 crypto: Linux Random Number Generator :::::: TO: Stephan Mueller <smueller@xxxxxxxxxx> :::::: CC: 0day robot <fengguang.wu@xxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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