[mmotm:master 126/128] kernel/synchro-test.c:512:2: error: implicit declaration of function 'init_timer'; did you mean 'init_timers'?

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tree:   git://git.cmpxchg.org/linux-mmotm.git master
head:   6d150629f934eb5e894b5eb3a56ba47328f56798
commit: 1b560efe80bfe6a5862b8219fd9294694d2aed10 [126/128] mutex subsystem, synchro-test module
config: x86_64-allmodconfig (attached as .config)
compiler: gcc-7 (Debian 7.2.0-12) 7.2.1 20171025
reproduce:
        git checkout 1b560efe80bfe6a5862b8219fd9294694d2aed10
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   kernel/synchro-test.c: In function 'do_tests':
>> kernel/synchro-test.c:512:2: error: implicit declaration of function 'init_timer'; did you mean 'init_timers'? [-Werror=implicit-function-declaration]
     init_timer(&timer);
     ^~~~~~~~~~
     init_timers
>> kernel/synchro-test.c:513:17: error: assignment from incompatible pointer type [-Werror=incompatible-pointer-types]
     timer.function = stop_test;
                    ^
   cc1: some warnings being treated as errors

vim +512 kernel/synchro-test.c

   429	
   430	/*****************************************************************************/
   431	/*
   432	 *
   433	 */
   434	static int __init do_tests(void)
   435	{
   436		unsigned long loop;
   437		unsigned int spinlock_total, mutex_total, sem_total;
   438		unsigned int rd_total, wr_total, dg_total;
   439	
   440		if (numsp < 0 || numsp > MAX_THREADS ||
   441		    nummx < 0 || nummx > MAX_THREADS ||
   442		    numsm < 0 || numsm > MAX_THREADS ||
   443		    numrd < 0 || numrd > MAX_THREADS ||
   444		    numwr < 0 || numwr > MAX_THREADS ||
   445		    numdg < 0 || numdg > MAX_THREADS ||
   446		    seminit < 1 ||
   447		    elapse < 1 ||
   448		    load < 0 || load > 999 ||
   449		    interval < 0 || interval > 999
   450		    ) {
   451			printk("Parameter out of range\n");
   452			return -ERANGE;
   453		}
   454	
   455		if ((numsp | nummx | numsm | numrd | numwr | numdg) == 0) {
   456			int num = num_online_cpus();
   457	
   458			if (num > MAX_THREADS)
   459				num = MAX_THREADS;
   460			numsp = nummx = numsm = numrd = numwr = numdg = num;
   461	
   462			load = 1;
   463			interval = 1;
   464			do_sched = 1;
   465			printk("No parameters - using defaults.\n");
   466		}
   467	
   468		if (verbose)
   469			printk("\nStarting synchronisation primitive tests...\n");
   470	
   471		spin_lock_init(&spinlock);
   472		mutex_init(&mutex);
   473		sema_init(&sem, seminit);
   474		init_rwsem(&rwsem);
   475		atomic_set(&do_stuff, 1);
   476	
   477		/* kick off all the children */
   478		for (loop = 0; loop < MAX_THREADS; loop++) {
   479			if (loop < numsp) {
   480				init_completion(&sp_comp[loop]);
   481				kthread_run(spinlocker, (void *) loop,
   482					    "Spinlock%lu", loop);
   483			}
   484	
   485			if (loop < nummx) {
   486				init_completion(&mx_comp[loop]);
   487				kthread_run(mutexer, (void *) loop, "Mutex%lu", loop);
   488			}
   489	
   490			if (loop < numsm) {
   491				init_completion(&sm_comp[loop]);
   492				kthread_run(semaphorer, (void *) loop, "Sem%lu", loop);
   493			}
   494	
   495			if (loop < numrd) {
   496				init_completion(&rd_comp[loop]);
   497				kthread_run(reader, (void *) loop, "Read%lu", loop);
   498			}
   499	
   500			if (loop < numwr) {
   501				init_completion(&wr_comp[loop]);
   502				kthread_run(writer, (void *) loop, "Write%lu", loop);
   503			}
   504	
   505			if (loop < numdg) {
   506				init_completion(&dg_comp[loop]);
   507				kthread_run(downgrader, (void *) loop, "Down%lu", loop);
   508			}
   509		}
   510	
   511		/* set a stop timer */
 > 512		init_timer(&timer);
 > 513		timer.function = stop_test;
   514		timer.expires = jiffies + elapse * HZ;
   515		add_timer(&timer);
   516	
   517		/* now wait until it's all done */
   518		for (loop = 0; loop < numsp; loop++)
   519			wait_for_completion(&sp_comp[loop]);
   520	
   521		for (loop = 0; loop < nummx; loop++)
   522			wait_for_completion(&mx_comp[loop]);
   523	
   524		for (loop = 0; loop < numsm; loop++)
   525			wait_for_completion(&sm_comp[loop]);
   526	
   527		for (loop = 0; loop < numrd; loop++)
   528			wait_for_completion(&rd_comp[loop]);
   529	
   530		for (loop = 0; loop < numwr; loop++)
   531			wait_for_completion(&wr_comp[loop]);
   532	
   533		for (loop = 0; loop < numdg; loop++)
   534			wait_for_completion(&dg_comp[loop]);
   535	
   536		atomic_set(&do_stuff, 0);
   537		del_timer(&timer);
   538	
   539		if (spin_is_locked(&spinlock))
   540			printk(KERN_ERR "Spinlock is still locked!\n");
   541	
   542		if (mutex_is_locked(&mutex))
   543			printk(KERN_ERR "Mutex is still locked!\n");
   544	
   545		/* count up */
   546		spinlock_total	= total("SP ", spinlocks_taken, numsp);
   547		mutex_total	= total("MTX", mutexes_taken, nummx);
   548		sem_total	= total("SEM", semaphores_taken, numsm);
   549		rd_total	= total("RD ", reads_taken, numrd);
   550		wr_total	= total("WR ", writes_taken, numwr);
   551		dg_total	= total("DG ", downgrades_taken, numdg);
   552	
   553		/* print the results */
   554		if (verbose) {
   555			printk("spinlocks taken: %u\n", spinlock_total);
   556			printk("mutexes taken: %u\n", mutex_total);
   557			printk("semaphores taken: %u\n", sem_total);
   558			printk("reads taken: %u\n", rd_total);
   559			printk("writes taken: %u\n", wr_total);
   560			printk("downgrades taken: %u\n", dg_total);
   561		}
   562		else {
   563			char buf[30];
   564	
   565			sprintf(buf, "%d/%d", interval, load);
   566	
   567			printk("%3d %3d %3d %3d %3d %3d %c %5s %9u %9u %9u %9u %9u %9u\n",
   568			       numsp, nummx, numsm, numrd, numwr, numdg,
   569			       do_sched ? 's' : '-',
   570			       buf,
   571			       spinlock_total,
   572			       mutex_total,
   573			       sem_total,
   574			       rd_total,
   575			       wr_total,
   576			       dg_total);
   577		}
   578	
   579		/* tell insmod to discard the module */
   580		if (verbose)
   581			printk("Tests complete\n");
   582		return -ENOANO;
   583	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

Attachment: .config.gz
Description: application/gzip


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