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* Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ne...David S. Miller2010-04-111-0/+1
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| * include cleanup: Update gfp.h and slab.h includes to prepare for breaking imp...Tejun Heo2010-03-301-0/+1
* | rename new rfkill sysfs knobsflorian@mickler.org2010-03-191-27/+8Star
* | enhance sysfs rfkill interfaceflorian@mickler.org2010-03-101-0/+58
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* rfkill: Add support for KEY_RFKILLMatthew Garrett2010-03-021-0/+8
* net/rfkill/core.c: work around gcc-4.0.2 sillinessAndrew Morton2009-12-071-2/+2
* Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ne...David S. Miller2009-11-291-0/+1
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| * Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linvil...David S. Miller2009-11-231-0/+1
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| | * rfkill: fix miscdev opsJohannes Berg2009-11-231-0/+1
* | | rfkill: Add constant for RFKILL_TYPE_FM radio devicesMarcel Holtmann2009-11-181-1/+3
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* / headers: remove sched.h from poll.hAlexey Dobriyan2009-10-051-0/+1
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* rfkill: add the GPS radio typeTomas Winkler2009-08-041-1/+3
* Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ne...David S. Miller2009-07-241-8/+23
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| * rfkill: fix rfkill_set_states() to set the hw stateAlan Jenkins2009-07-211-0/+4
| * rfkill: allow toggling soft state in sysfs againJohannes Berg2009-07-211-8/+19
* | rfkill: prep for rfkill API changesJohannes Berg2009-07-101-2/+8
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* rfkill: export persistent attribute in sysfsAlan Jenkins2009-06-191-0/+10
* rfkill: don't restore software blocked state on persistent devicesAlan Jenkins2009-06-191-15/+25
* rfkill: rfkill_set_block() when suspended nitpickAlan Jenkins2009-06-191-3/+3
* rfkill: don't impose global states on resume (just restore the previous states)Alan Jenkins2009-06-101-5/+1Star
* rfkill: remove set_global_sw_stateAlan Jenkins2009-06-101-51/+30Star
* rfkill: remove input KconfigJohannes Berg2009-06-101-1/+1
* rfkill: print events when input handler is disabled/enabledJohannes Berg2009-06-101-2/+4
* rfkill: always init poll delayed workJohannes Berg2009-06-031-7/+6Star
* rfkill: add function to query stateJohannes Berg2009-06-031-0/+13
* rfkill: create useful userspace interfaceJohannes Berg2009-06-032-7/+327
* rfkill: rewriteJohannes Berg2009-06-037-1263/+1256Star
* net/rfkill/rfkill.c: fix build with CONFIG_RFKILL_LEDS=nAndrew Morton2009-05-061-0/+5
* rfkill: Fix broken rfkill LED in 2.6.30-rc1Larry Finger2009-04-221-1/+8
* rfkill-input: remove unused codeJohannes Berg2009-04-221-69/+0Star
* rfkill: remove user_claim stuffJohannes Berg2009-04-221-42/+3Star
* net/rfkill/rfkill.c: fix unused rfkill_led_trigger() warningSimon Holm Thøgersen2009-01-051-3/+1Star
* rfkill: strip pointless notifier chainJohannes Berg2008-12-121-78/+5Star
* rfkill: always call get_state() hook on resumeHenrique de Moraes Holschuh2008-11-261-0/+10
* rfkill: preserve state across suspendHenrique de Moraes Holschuh2008-11-261-1/+6
* net: struct device - replace bus_id with dev_name(), dev_set_name()Kay Sievers2008-11-101-3/+2Star
* Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/ne...David S. Miller2008-11-071-1/+1
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| * Fix logic error in rfkill_check_duplicityJonathan McDowell2008-11-061-1/+1
* | rfkill: rate-limit rfkill-input workqueue usage (v3)Henrique de Moraes Holschuh2008-11-011-8/+41
* | rfkill: honour EPO state when resuming a rfkill controllerHenrique de Moraes Holschuh2008-11-011-2/+11
* | rfkill: add master_switch_mode and EPO lock to rfkill and rfkill-inputHenrique de Moraes Holschuh2008-11-013-80/+274
* | rfkill: export global states to rfkill-inputHenrique de Moraes Holschuh2008-11-012-0/+15
* | rfkill: use killable locks instead of interruptibleHenrique de Moraes Holschuh2008-11-011-3/+4
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* RFKILL: fix input layer initialisationDmitry Baryshkov2008-10-271-0/+5
* net/rfkill/rfkill-input.c needs <linux/sched.h>Geert Uytterhoeven2008-10-141-0/+1
* rfkill: update LEDs for all state changesHenrique de Moraes Holschuh2008-10-071-3/+2Star
* rfkill: remove transmitter blocking on suspendHenrique de Moraes Holschuh2008-09-151-14/+2Star
* rfkill: rename rfkill_mutex to rfkill_global_mutexHenrique de Moraes Holschuh2008-08-291-18/+20
* rfkill: add WARN and BUG_ON paranoia (v2)Henrique de Moraes Holschuh2008-08-291-13/+37
* rfkill: add missing line breakFelipe Balbi2008-08-291-1/+1
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-22 05:55:21 +0200
n>: if (lockwakeup) return ret; } switch(td->opcode) { case RTTEST_LOCK: case RTTEST_LOCKNOWAIT: id = td->opdata; if (id < 0 || id >= MAX_RT_TEST_MUTEXES) return ret; td->mutexes[id] = 1; td->event = atomic_add_return(1, &rttest_event); rt_mutex_lock(&mutexes[id]); td->event = atomic_add_return(1, &rttest_event); td->mutexes[id] = 4; return 0; case RTTEST_LOCKINT: case RTTEST_LOCKINTNOWAIT: id = td->opdata; if (id < 0 || id >= MAX_RT_TEST_MUTEXES) return ret; td->mutexes[id] = 1; td->event = atomic_add_return(1, &rttest_event); ret = rt_mutex_lock_interruptible(&mutexes[id], 0); td->event = atomic_add_return(1, &rttest_event); td->mutexes[id] = ret ? 0 : 4; return ret ? -EINTR : 0; case RTTEST_UNLOCK: id = td->opdata; if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4) return ret; td->event = atomic_add_return(1, &rttest_event); rt_mutex_unlock(&mutexes[id]); td->event = atomic_add_return(1, &rttest_event); td->mutexes[id] = 0; return 0; case RTTEST_LOCKBKL: if (td->bkl) return 0; td->bkl = 1; lock_kernel(); td->bkl = 4; return 0; case RTTEST_UNLOCKBKL: if (td->bkl != 4) break; unlock_kernel(); td->bkl = 0; return 0; default: break; } return ret; } /* * Schedule replacement for rtsem_down(). Only called for threads with * PF_MUTEX_TESTER set. * * This allows us to have finegrained control over the event flow. * */ void schedule_rt_mutex_test(struct rt_mutex *mutex) { int tid, op, dat; struct test_thread_data *td; /* We have to lookup the task */ for (tid = 0; tid < MAX_RT_TEST_THREADS; tid++) { if (threads[tid] == current) break; } BUG_ON(tid == MAX_RT_TEST_THREADS); td = &thread_data[tid]; op = td->opcode; dat = td->opdata; switch (op) { case RTTEST_LOCK: case RTTEST_LOCKINT: case RTTEST_LOCKNOWAIT: case RTTEST_LOCKINTNOWAIT: if (mutex != &mutexes[dat]) break; if (td->mutexes[dat] != 1) break; td->mutexes[dat] = 2; td->event = atomic_add_return(1, &rttest_event); break; case RTTEST_LOCKBKL: default: break; } schedule(); switch (op) { case RTTEST_LOCK: case RTTEST_LOCKINT: if (mutex != &mutexes[dat]) return; if (td->mutexes[dat] != 2) return; td->mutexes[dat] = 3; td->event = atomic_add_return(1, &rttest_event); break; case RTTEST_LOCKNOWAIT: case RTTEST_LOCKINTNOWAIT: if (mutex != &mutexes[dat]) return; if (td->mutexes[dat] != 2) return; td->mutexes[dat] = 1; td->event = atomic_add_return(1, &rttest_event); return; case RTTEST_LOCKBKL: return; default: return; } td->opcode = 0; for (;;) { set_current_state(TASK_INTERRUPTIBLE); if (td->opcode > 0) { int ret; set_current_state(TASK_RUNNING); ret = handle_op(td, 1); set_current_state(TASK_INTERRUPTIBLE); if (td->opcode == RTTEST_LOCKCONT) break; td->opcode = ret; } /* Wait for the next command to be executed */ schedule(); } /* Restore previous command and data */ td->opcode = op; td->opdata = dat; } static int test_func(void *data) { struct test_thread_data *td = data; int ret; current->flags |= PF_MUTEX_TESTER; set_freezable(); allow_signal(SIGHUP); for(;;) { set_current_state(TASK_INTERRUPTIBLE); if (td->opcode > 0) { set_current_state(TASK_RUNNING); ret = handle_op(td, 0); set_current_state(TASK_INTERRUPTIBLE); td->opcode = ret; } /* Wait for the next command to be executed */ schedule(); try_to_freeze(); if (signal_pending(current)) flush_signals(current); if(kthread_should_stop()) break; } return 0; } /** * sysfs_test_command - interface for test commands * @dev: thread reference * @buf: command for actual step * @count: length of buffer * * command syntax: * * opcode:data */ static ssize_t sysfs_test_command(struct sys_device *dev, struct sysdev_attribute *attr, const char *buf, size_t count) { struct sched_param schedpar; struct test_thread_data *td; char cmdbuf[32]; int op, dat, tid, ret; td = container_of(dev, struct test_thread_data, sysdev); tid = td->sysdev.id; /* strings from sysfs write are not 0 terminated! */ if (count >= sizeof(cmdbuf)) return -EINVAL; /* strip of \n: */ if (buf[count-1] == '\n') count--; if (count < 1) return -EINVAL; memcpy(cmdbuf, buf, count); cmdbuf[count] = 0; if (sscanf(cmdbuf, "%d:%d", &op, &dat) != 2) return -EINVAL; switch (op) { case RTTEST_SCHEDOT: schedpar.sched_priority = 0; ret = sched_setscheduler(threads[tid], SCHED_NORMAL, &schedpar); if (ret) return ret; set_user_nice(current, 0); break; case RTTEST_SCHEDRT: schedpar.sched_priority = dat; ret = sched_setscheduler(threads[tid], SCHED_FIFO, &schedpar); if (ret) return ret; break; case RTTEST_SIGNAL: send_sig(SIGHUP, threads[tid], 0); break; default: if (td->opcode > 0) return -EBUSY; td->opdata = dat; td->opcode = op; wake_up_process(threads[tid]); } return count; } /** * sysfs_test_status - sysfs interface for rt tester * @dev: thread to query * @buf: char buffer to be filled with thread status info */ static ssize_t sysfs_test_status(struct sys_device *dev, struct sysdev_attribute *attr, char *buf) { struct test_thread_data *td; struct task_struct *tsk; char *curr = buf; int i; td = container_of(dev, struct test_thread_data, sysdev); tsk = threads[td->sysdev.id]; spin_lock(&rttest_lock); curr += sprintf(curr, "O: %4d, E:%8d, S: 0x%08lx, P: %4d, N: %4d, B: %p, K: %d, M:", td->opcode, td->event, tsk->state, (MAX_RT_PRIO - 1) - tsk->prio, (MAX_RT_PRIO - 1) - tsk->normal_prio, tsk->pi_blocked_on, td->bkl); for (i = MAX_RT_TEST_MUTEXES - 1; i >=0 ; i--) curr += sprintf(curr, "%d", td->mutexes[i]); spin_unlock(&rttest_lock); curr += sprintf(curr, ", T: %p, R: %p\n", tsk, mutexes[td->sysdev.id].owner); return curr - buf; } static SYSDEV_ATTR(status, 0600, sysfs_test_status, NULL); static SYSDEV_ATTR(command, 0600, NULL, sysfs_test_command); static struct sysdev_class rttest_sysclass = { .name = "rttest", }; static int init_test_thread(int id) { thread_data[id].sysdev.cls = &rttest_sysclass; thread_data[id].sysdev.id = id; threads[id] = kthread_run(test_func, &thread_data[id], "rt-test-%d", id); if (IS_ERR(threads[id])) return PTR_ERR(threads[id]); return sysdev_register(&thread_data[id].sysdev); } static int init_rttest(void) { int ret, i; spin_lock_init(&rttest_lock); for (i = 0; i < MAX_RT_TEST_MUTEXES; i++) rt_mutex_init(&mutexes[i]); ret = sysdev_class_register(&rttest_sysclass); if (ret) return ret; for (i = 0; i < MAX_RT_TEST_THREADS; i++) { ret = init_test_thread(i); if (ret) break; ret = sysdev_create_file(&thread_data[i].sysdev, &attr_status); if (ret) break; ret = sysdev_create_file(&thread_data[i].sysdev, &attr_command); if (ret) break; } printk("Initializing RT-Tester: %s\n", ret ? "Failed" : "OK" ); return ret; } device_initcall(init_rttest);
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-07-22 05:55:14 +0200