litmus-rt-tegra.git - LITMUS^RT and MC^2 V0 support for the NVIDIA Tegra 3 SoC

diff options

Diffstat (limited to 'drivers/media/dvb/frontends/tda10086.c')

-rw-r--r--

1 files changed, 20 insertions, 20 deletions


diff --git a/drivers/media/dvb/frontends/tda10086.c b/drivers/media/dvb/frontends/tda10086.c index 143af96439b..5fc26757f39 100644 --- a/drivers/media/dvb/frontends/tda10086.c +++ b/drivers/media/dvb/frontends/tda10086.c
@@ -60,7 +60,7 @@ static int tda10086_write_byte(struct tda10086_state *state, int reg, int data)
60		60
61	if (ret != 1)	61	if (ret != 1)
62	dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n",	62	dprintk("%s: error reg=0x%x, data=0x%x, ret=%i\n",
63	__FUNCTION__, reg, data, ret);	63	__func__, reg, data, ret);
64		64
65	return (ret != 1) ? ret : 0;	65	return (ret != 1) ? ret : 0;
66	}	66	}
@@ -78,7 +78,7 @@ static int tda10086_read_byte(struct tda10086_state *state, int reg)
78	ret = i2c_transfer(state->i2c, msg, 2);	78	ret = i2c_transfer(state->i2c, msg, 2);
79		79
80	if (ret != 2) {	80	if (ret != 2) {
81	dprintk("%s: error reg=0x%x, ret=%i\n", __FUNCTION__, reg,	81	dprintk("%s: error reg=0x%x, ret=%i\n", __func__, reg,
82	ret);	82	ret);
83	return ret;	83	return ret;
84	}	84	}
@@ -108,7 +108,7 @@ static int tda10086_init(struct dvb_frontend* fe)
108	struct tda10086_state* state = fe->demodulator_priv;	108	struct tda10086_state* state = fe->demodulator_priv;
109	u8 t22k_off = 0x80;	109	u8 t22k_off = 0x80;
110		110
111	dprintk ("%s\n", __FUNCTION__);	111	dprintk ("%s\n", __func__);
112		112
113	if (state->config->diseqc_tone)	113	if (state->config->diseqc_tone)
114	t22k_off = 0;	114	t22k_off = 0;
@@ -173,7 +173,7 @@ static void tda10086_diseqc_wait(struct tda10086_state *state)
173	unsigned long timeout = jiffies + msecs_to_jiffies(200);	173	unsigned long timeout = jiffies + msecs_to_jiffies(200);
174	while (!(tda10086_read_byte(state, 0x50) & 0x01)) {	174	while (!(tda10086_read_byte(state, 0x50) & 0x01)) {
175	if(time_after(jiffies, timeout)) {	175	if(time_after(jiffies, timeout)) {
176	printk("%s: diseqc queue not ready, command may be lost.\n", __FUNCTION__);	176	printk("%s: diseqc queue not ready, command may be lost.\n", __func__);
177	break;	177	break;
178	}	178	}
179	msleep(10);	179	msleep(10);
@@ -185,7 +185,7 @@ static int tda10086_set_tone (struct dvb_frontend* fe, fe_sec_tone_mode_t tone)
185	struct tda10086_state* state = fe->demodulator_priv;	185	struct tda10086_state* state = fe->demodulator_priv;
186	u8 t22k_off = 0x80;	186	u8 t22k_off = 0x80;
187		187
188	dprintk ("%s\n", __FUNCTION__);	188	dprintk ("%s\n", __func__);
189		189
190	if (state->config->diseqc_tone)	190	if (state->config->diseqc_tone)
191	t22k_off = 0;	191	t22k_off = 0;
@@ -211,7 +211,7 @@ static int tda10086_send_master_cmd (struct dvb_frontend* fe,
211	u8 oldval;	211	u8 oldval;
212	u8 t22k_off = 0x80;	212	u8 t22k_off = 0x80;
213		213
214	dprintk ("%s\n", __FUNCTION__);	214	dprintk ("%s\n", __func__);
215		215
216	if (state->config->diseqc_tone)	216	if (state->config->diseqc_tone)
217	t22k_off = 0;	217	t22k_off = 0;
@@ -239,7 +239,7 @@ static int tda10086_send_burst (struct dvb_frontend* fe, fe_sec_mini_cmd_t minic
239	u8 oldval = tda10086_read_byte(state, 0x36);	239	u8 oldval = tda10086_read_byte(state, 0x36);
240	u8 t22k_off = 0x80;	240	u8 t22k_off = 0x80;
241		241
242	dprintk ("%s\n", __FUNCTION__);	242	dprintk ("%s\n", __func__);
243		243
244	if (state->config->diseqc_tone)	244	if (state->config->diseqc_tone)
245	t22k_off = 0;	245	t22k_off = 0;
@@ -266,7 +266,7 @@ static int tda10086_set_inversion(struct tda10086_state *state,
266	{	266	{
267	u8 invval = 0x80;	267	u8 invval = 0x80;
268		268
269	dprintk ("%s %i %i\n", __FUNCTION__, fe_params->inversion, state->config->invert);	269	dprintk ("%s %i %i\n", __func__, fe_params->inversion, state->config->invert);
270		270
271	switch(fe_params->inversion) {	271	switch(fe_params->inversion) {
272	case INVERSION_OFF:	272	case INVERSION_OFF:
@@ -300,7 +300,7 @@ static int tda10086_set_symbol_rate(struct tda10086_state *state,
300	u32 bdri;	300	u32 bdri;
301	u32 symbol_rate = fe_params->u.qpsk.symbol_rate;	301	u32 symbol_rate = fe_params->u.qpsk.symbol_rate;
302		302
303	dprintk ("%s %i\n", __FUNCTION__, symbol_rate);	303	dprintk ("%s %i\n", __func__, symbol_rate);
304		304
305	// setup the decimation and anti-aliasing filters..	305	// setup the decimation and anti-aliasing filters..
306	if (symbol_rate < (u32) (SACLK * 0.0137)) {	306	if (symbol_rate < (u32) (SACLK * 0.0137)) {
@@ -366,7 +366,7 @@ static int tda10086_set_fec(struct tda10086_state *state,
366	{	366	{
367	u8 fecval;	367	u8 fecval;
368		368
369	dprintk ("%s %i\n", __FUNCTION__, fe_params->u.qpsk.fec_inner);	369	dprintk ("%s %i\n", __func__, fe_params->u.qpsk.fec_inner);
370		370
371	switch(fe_params->u.qpsk.fec_inner) {	371	switch(fe_params->u.qpsk.fec_inner) {
372	case FEC_1_2:	372	case FEC_1_2:
@@ -412,7 +412,7 @@ static int tda10086_set_frontend(struct dvb_frontend* fe,
412	u32 freq = 0;	412	u32 freq = 0;
413	int freqoff;	413	int freqoff;
414		414
415	dprintk ("%s\n", __FUNCTION__);	415	dprintk ("%s\n", __func__);
416		416
417	// modify parameters for tuning	417	// modify parameters for tuning
418	tda10086_write_byte(state, 0x02, 0x35);	418	tda10086_write_byte(state, 0x02, 0x35);
@@ -459,7 +459,7 @@ static int tda10086_get_frontend(struct dvb_frontend* fe, struct dvb_frontend_pa
459	int tmp;	459	int tmp;
460	u64 tmp64;	460	u64 tmp64;
461		461
462	dprintk ("%s\n", __FUNCTION__);	462	dprintk ("%s\n", __func__);
463		463
464	// check for invalid symbol rate	464	// check for invalid symbol rate
465	if (fe_params->u.qpsk.symbol_rate < 500000)	465	if (fe_params->u.qpsk.symbol_rate < 500000)
@@ -550,7 +550,7 @@ static int tda10086_read_status(struct dvb_frontend* fe, fe_status_t *fe_status)
550	struct tda10086_state* state = fe->demodulator_priv;	550	struct tda10086_state* state = fe->demodulator_priv;
551	u8 val;	551	u8 val;
552		552
553	dprintk ("%s\n", __FUNCTION__);	553	dprintk ("%s\n", __func__);
554		554
555	val = tda10086_read_byte(state, 0x0e);	555	val = tda10086_read_byte(state, 0x0e);
556	*fe_status = 0;	556	*fe_status = 0;
@@ -579,7 +579,7 @@ static int tda10086_read_signal_strength(struct dvb_frontend* fe, u16 * signal)
579	struct tda10086_state* state = fe->demodulator_priv;	579	struct tda10086_state* state = fe->demodulator_priv;
580	u8 _str;	580	u8 _str;
581		581
582	dprintk ("%s\n", __FUNCTION__);	582	dprintk ("%s\n", __func__);
583		583
584	_str = 0xff - tda10086_read_byte(state, 0x43);	584	_str = 0xff - tda10086_read_byte(state, 0x43);
585	*signal = (_str << 8) \| _str;	585	*signal = (_str << 8) \| _str;
@@ -592,7 +592,7 @@ static int tda10086_read_snr(struct dvb_frontend* fe, u16 * snr)
592	struct tda10086_state* state = fe->demodulator_priv;	592	struct tda10086_state* state = fe->demodulator_priv;
593	u8 _snr;	593	u8 _snr;
594		594
595	dprintk ("%s\n", __FUNCTION__);	595	dprintk ("%s\n", __func__);
596		596
597	_snr = 0xff - tda10086_read_byte(state, 0x1c);	597	_snr = 0xff - tda10086_read_byte(state, 0x1c);
598	*snr = (_snr << 8) \| _snr;	598	*snr = (_snr << 8) \| _snr;
@@ -604,7 +604,7 @@ static int tda10086_read_ucblocks(struct dvb_frontend* fe, u32* ucblocks)
604	{	604	{
605	struct tda10086_state* state = fe->demodulator_priv;	605	struct tda10086_state* state = fe->demodulator_priv;
606		606
607	dprintk ("%s\n", __FUNCTION__);	607	dprintk ("%s\n", __func__);
608		608
609	// read it	609	// read it
610	*ucblocks = tda10086_read_byte(state, 0x18) & 0x7f;	610	*ucblocks = tda10086_read_byte(state, 0x18) & 0x7f;
@@ -620,7 +620,7 @@ static int tda10086_read_ber(struct dvb_frontend* fe, u32* ber)
620	{	620	{
621	struct tda10086_state* state = fe->demodulator_priv;	621	struct tda10086_state* state = fe->demodulator_priv;
622		622
623	dprintk ("%s\n", __FUNCTION__);	623	dprintk ("%s\n", __func__);
624		624
625	// read it	625	// read it
626	*ber = 0;	626	*ber = 0;
@@ -635,7 +635,7 @@ static int tda10086_sleep(struct dvb_frontend* fe)
635	{	635	{
636	struct tda10086_state* state = fe->demodulator_priv;	636	struct tda10086_state* state = fe->demodulator_priv;
637		637
638	dprintk ("%s\n", __FUNCTION__);	638	dprintk ("%s\n", __func__);
639		639
640	tda10086_write_mask(state, 0x00, 0x08, 0x08);	640	tda10086_write_mask(state, 0x00, 0x08, 0x08);
641		641
@@ -646,7 +646,7 @@ static int tda10086_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
646	{	646	{
647	struct tda10086_state* state = fe->demodulator_priv;	647	struct tda10086_state* state = fe->demodulator_priv;
648		648
649	dprintk ("%s\n", __FUNCTION__);	649	dprintk ("%s\n", __func__);
650		650
651	if (enable) {	651	if (enable) {
652	tda10086_write_mask(state, 0x00, 0x10, 0x10);	652	tda10086_write_mask(state, 0x00, 0x10, 0x10);
@@ -737,7 +737,7 @@ struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
737	{	737	{
738	struct tda10086_state *state;	738	struct tda10086_state *state;
739		739
740	dprintk ("%s\n", __FUNCTION__);	740	dprintk ("%s\n", __func__);
741		741
742	/* allocate memory for the internal state */	742	/* allocate memory for the internal state */
743	state = kmalloc(sizeof(struct tda10086_state), GFP_KERNEL);	743	state = kmalloc(sizeof(struct tda10086_state), GFP_KERNEL);

/* * sysctl.c: General linux system control interface * * Begun 24 March 1995, Stephen Tweedie * Added /proc support, Dec 1995 * Added bdflush entry and intvec min/max checking, 2/23/96, Tom Dyas. * Added hooks for /proc/sys/net (minor, minor patch), 96/4/1, Mike Shaver. * Added kernel/java-{interpreter,appletviewer}, 96/5/10, Mike Shaver. * Dynamic registration fixes, Stephen Tweedie. * Added kswapd-interval, ctrl-alt-del, printk stuff, 1/8/97, Chris Horn. * Made sysctl support optional via CONFIG_SYSCTL, 1/10/97, Chris * Horn. * Added proc_doulongvec_ms_jiffies_minmax, 09/08/99, Carlos H. Bauer. * Added proc_doulongvec_minmax, 09/08/99, Carlos H. Bauer. * Changed linked lists to use list.h instead of lists.h, 02/24/00, Bill * Wendling. * The list_for_each() macro wasn't appropriate for the sysctl loop. * Removed it and replaced it with older style, 03/23/00, Bill Wendling */ #include <linux/module.h> #include <linux/mm.h> #include <linux/swap.h> #include <linux/slab.h> #include <linux/sysctl.h> #include <linux/bitmap.h> #include <linux/signal.h> #include <linux/printk.h> #include <linux/proc_fs.h> #include <linux/security.h> #include <linux/ctype.h> #include <linux/kmemcheck.h> #include <linux/fs.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/kobject.h> #include <linux/net.h> #include <linux/sysrq.h> #include <linux/highuid.h> #include <linux/writeback.h> #include <linux/ratelimit.h> #include <linux/compaction.h> #include <linux/hugetlb.h> #include <linux/initrd.h> #include <linux/key.h> #include <linux/times.h> #include <linux/limits.h> #include <linux/dcache.h> #include <linux/dnotify.h> #include <linux/syscalls.h> #include <linux/vmstat.h> #include <linux/nfs_fs.h> #include <linux/acpi.h> #include <linux/reboot.h> #include <linux/ftrace.h> #include <linux/perf_event.h> #include <linux/kprobes.h> #include <linux/pipe_fs_i.h> #include <linux/oom.h> #include <linux/kmod.h> #include <linux/capability.h> #include <linux/binfmts.h> #include <asm/uaccess.h> #include <asm/processor.h> #ifdef CONFIG_X86 #include <asm/nmi.h> #include <asm/stacktrace.h> #include <asm/io.h> #endif #ifdef CONFIG_SPARC #include <asm/setup.h> #endif #ifdef CONFIG_BSD_PROCESS_ACCT #include <linux/acct.h> #endif #ifdef CONFIG_RT_MUTEXES #include <linux/rtmutex.h> #endif #if defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_LOCK_STAT) #include <linux/lockdep.h> #endif #ifdef CONFIG_CHR_DEV_SG #include <scsi/sg.h> #endif #ifdef CONFIG_LOCKUP_DETECTOR #include <linux/nmi.h> #endif #if defined(CONFIG_SYSCTL) /* External variables not in a header file. */ extern int sysctl_overcommit_memory; extern int sysctl_overcommit_ratio; extern int max_threads; extern int core_uses_pid; extern int suid_dumpable; extern char core_pattern[]; extern unsigned int core_pipe_limit; extern int pid_max; extern int min_free_kbytes; extern int pid_max_min, pid_max_max; extern int sysctl_drop_caches; extern int percpu_pagelist_fraction; extern int compat_log; extern int latencytop_enabled; extern int sysctl_nr_open_min, sysctl_nr_open_max; #ifndef CONFIG_MMU extern int sysctl_nr_trim_pages; #endif #ifdef CONFIG_BLOCK extern int blk_iopoll_enabled; #endif /* Constants used for minimum and maximum */ #ifdef CONFIG_LOCKUP_DETECTOR static int sixty = 60; static int neg_one = -1; #endif static int zero; static int __maybe_unused one = 1; static int __maybe_unused two = 2; static int __maybe_unused three = 3; static unsigned long one_ul = 1; static int one_hundred = 100; #ifdef CONFIG_PRINTK static int ten_thousand = 10000; #endif /* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */ static unsigned long dirty_bytes_min = 2 * PAGE_SIZE; /* this is needed for the proc_dointvec_minmax for [fs_]overflow UID and GID */ static int maxolduid = 65535; static int minolduid; static int min_percpu_pagelist_fract = 8; static int ngroups_max = NGROUPS_MAX; static const int cap_last_cap = CAP_LAST_CAP; #ifdef CONFIG_INOTIFY_USER #include <linux/inotify.h> #endif #ifdef CONFIG_SPARC #endif #ifdef CONFIG_SPARC64 extern int sysctl_tsb_ratio; #endif #ifdef __hppa__ extern int pwrsw_enabled; extern int unaligned_enabled; #endif #ifdef CONFIG_IA64 extern int no_unaligned_warning; extern int unaligned_dump_stack; #endif #ifdef CONFIG_PROC_SYSCTL static int proc_do_cad_pid(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); static int proc_taint(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); #endif #ifdef CONFIG_PRINTK static int proc_dointvec_minmax_sysadmin(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); #endif #ifdef CONFIG_MAGIC_SYSRQ /* Note: sysrq code uses it's own private copy */ static int __sysrq_enabled = SYSRQ_DEFAULT_ENABLE; static int sysrq_sysctl_handler(ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { int error; error = proc_dointvec(table, write, buffer, lenp, ppos); if (error) return error; if (write) sysrq_toggle_support(__sysrq_enabled); return 0; } #endif static struct ctl_table kern_table[]; static struct ctl_table vm_table[]; static struct ctl_table fs_table[]; static struct ctl_table debug_table[]; static struct ctl_table dev_table[]; extern struct ctl_table random_table[]; #ifdef CONFIG_EPOLL extern struct ctl_table epoll_table[]; #endif #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT int sysctl_legacy_va_layout; #endif /* The default sysctl tables: */ static struct ctl_table sysctl_base_table[] = { { .procname = "kernel", .mode = 0555, .child = kern_table, }, { .procname = "vm", .mode = 0555, .child = vm_table, }, { .procname = "fs", .mode = 0555, .child = fs_table, }, { .procname = "debug", .mode = 0555, .child = debug_table, }, { .procname = "dev", .mode = 0555, .child = dev_table, }, { } }; #ifdef CONFIG_SCHED_DEBUG static int min_sched_granularity_ns = 100000; /* 100 usecs */ static int max_sched_granularity_ns = NSEC_PER_SEC; /* 1 second */ static int min_wakeup_granularity_ns; /* 0 usecs */ static int max_wakeup_granularity_ns = NSEC_PER_SEC; /* 1 second */ static int min_sched_tunable_scaling = SCHED_TUNABLESCALING_NONE; static int max_sched_tunable_scaling = SCHED_TUNABLESCALING_END-1; #endif #ifdef CONFIG_COMPACTION static int min_extfrag_threshold; static int max_extfrag_threshold = 1000; #endif static struct ctl_table kern_table[] = { { .procname = "sched_child_runs_first", .data = &sysctl_sched_child_runs_first, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, #ifdef CONFIG_SCHED_DEBUG { .procname = "sched_min_granularity_ns", .data = &sysctl_sched_min_granularity, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_proc_update_handler, .extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, }, { .procname = "sched_latency_ns", .data = &sysctl_sched_latency, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_proc_update_handler, .extra1 = &min_sched_granularity_ns, .extra2 = &max_sched_granularity_ns, }, { .procname = "sched_wakeup_granularity_ns", .data = &sysctl_sched_wakeup_granularity, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_proc_update_handler, .extra1 = &min_wakeup_granularity_ns, .extra2 = &max_wakeup_granularity_ns, }, { .procname = "sched_tunable_scaling", .data = &sysctl_sched_tunable_scaling, .maxlen = sizeof(enum sched_tunable_scaling), .mode = 0644, .proc_handler = sched_proc_update_handler, .extra1 = &min_sched_tunable_scaling, .extra2 = &max_sched_tunable_scaling, }, { .procname = "sched_migration_cost", .data = &sysctl_sched_migration_cost, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "sched_nr_migrate", .data = &sysctl_sched_nr_migrate, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "sched_time_avg", .data = &sysctl_sched_time_avg, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "sched_shares_window", .data = &sysctl_sched_shares_window, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "timer_migration", .data = &sysctl_timer_migration, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, #endif { .procname = "sched_rt_period_us", .data = &sysctl_sched_rt_period, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = sched_rt_handler, }, { .procname = "sched_rt_runtime_us", .data = &sysctl_sched_rt_runtime, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sched_rt_handler, }, #ifdef CONFIG_SCHED_AUTOGROUP { .procname = "sched_autogroup_enabled", .data = &sysctl_sched_autogroup_enabled, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, #endif #ifdef CONFIG_CFS_BANDWIDTH { .procname = "sched_cfs_bandwidth_slice_us", .data = &sysctl_sched_cfs_bandwidth_slice, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &one, }, #endif #ifdef CONFIG_PROVE_LOCKING { .procname = "prove_locking", .data = &prove_locking, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_LOCK_STAT { .procname = "lock_stat", .data = &lock_stat, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "panic", .data = &panic_timeout, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "core_uses_pid", .data = &core_uses_pid, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "core_pattern", .data = core_pattern, .maxlen = CORENAME_MAX_SIZE, .mode = 0644, .proc_handler = proc_dostring, }, { .procname = "core_pipe_limit", .data = &core_pipe_limit, .maxlen = sizeof(unsigned int), .mode = 0644, .proc_handler = proc_dointvec, }, #ifdef CONFIG_PROC_SYSCTL { .procname = "tainted", .maxlen = sizeof(long), .mode = 0644, .proc_handler = proc_taint, }, #endif #ifdef CONFIG_LATENCYTOP { .procname = "latencytop", .data = &latencytop_enabled, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_BLK_DEV_INITRD { .procname = "real-root-dev", .data = &real_root_dev, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "print-fatal-signals", .data = &print_fatal_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #ifdef CONFIG_SPARC { .procname = "reboot-cmd", .data = reboot_command, .maxlen = 256, .mode = 0644, .proc_handler = proc_dostring, }, { .procname = "stop-a", .data = &stop_a_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "scons-poweroff", .data = &scons_pwroff, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_SPARC64 { .procname = "tsb-ratio", .data = &sysctl_tsb_ratio, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef __hppa__ { .procname = "soft-power", .data = &pwrsw_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "unaligned-trap", .data = &unaligned_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "ctrl-alt-del", .data = &C_A_D, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #ifdef CONFIG_FUNCTION_TRACER { .procname = "ftrace_enabled", .data = &ftrace_enabled, .maxlen = sizeof(int), .mode = 0644, .proc_handler = ftrace_enable_sysctl, }, #endif #ifdef CONFIG_STACK_TRACER { .procname = "stack_tracer_enabled", .data = &stack_tracer_enabled, .maxlen = sizeof(int), .mode = 0644, .proc_handler = stack_trace_sysctl, }, #endif #ifdef CONFIG_TRACING { .procname = "ftrace_dump_on_oops", .data = &ftrace_dump_on_oops, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_MODULES { .procname = "modprobe", .data = &modprobe_path, .maxlen = KMOD_PATH_LEN, .mode = 0644, .proc_handler = proc_dostring, }, { .procname = "modules_disabled", .data = &modules_disabled, .maxlen = sizeof(int), .mode = 0644, /* only handle a transition from default "0" to "1" */ .proc_handler = proc_dointvec_minmax, .extra1 = &one, .extra2 = &one, }, #endif #ifdef CONFIG_HOTPLUG { .procname = "hotplug", .data = &uevent_helper, .maxlen = UEVENT_HELPER_PATH_LEN, .mode = 0644, .proc_handler = proc_dostring, }, #endif #ifdef CONFIG_CHR_DEV_SG { .procname = "sg-big-buff", .data = &sg_big_buff, .maxlen = sizeof (int), .mode = 0444, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_BSD_PROCESS_ACCT { .procname = "acct", .data = &acct_parm, .maxlen = 3*sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_MAGIC_SYSRQ { .procname = "sysrq", .data = &__sysrq_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = sysrq_sysctl_handler, }, #endif #ifdef CONFIG_PROC_SYSCTL { .procname = "cad_pid", .data = NULL, .maxlen = sizeof (int), .mode = 0600, .proc_handler = proc_do_cad_pid, }, #endif { .procname = "threads-max", .data = &max_threads, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "random", .mode = 0555, .child = random_table, }, { .procname = "usermodehelper", .mode = 0555, .child = usermodehelper_table, }, { .procname = "overflowuid", .data = &overflowuid, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &minolduid, .extra2 = &maxolduid, }, { .procname = "overflowgid", .data = &overflowgid, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &minolduid, .extra2 = &maxolduid, }, #ifdef CONFIG_S390 #ifdef CONFIG_MATHEMU { .procname = "ieee_emulation_warnings", .data = &sysctl_ieee_emulation_warnings, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "userprocess_debug", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "pid_max", .data = &pid_max, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &pid_max_min, .extra2 = &pid_max_max, }, { .procname = "panic_on_oops", .data = &panic_on_oops, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #if defined CONFIG_PRINTK { .procname = "printk", .data = &console_loglevel, .maxlen = 4*sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "printk_ratelimit", .data = &printk_ratelimit_state.interval, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, { .procname = "printk_ratelimit_burst", .data = &printk_ratelimit_state.burst, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "printk_delay", .data = &printk_delay_msec, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &ten_thousand, }, { .procname = "dmesg_restrict", .data = &dmesg_restrict, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax_sysadmin, .extra1 = &zero, .extra2 = &one, }, { .procname = "kptr_restrict", .data = &kptr_restrict, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax_sysadmin, .extra1 = &zero, .extra2 = &two, }, #endif { .procname = "ngroups_max", .data = &ngroups_max, .maxlen = sizeof (int), .mode = 0444, .proc_handler = proc_dointvec, }, { .procname = "cap_last_cap", .data = (void *)&cap_last_cap, .maxlen = sizeof(int), .mode = 0444, .proc_handler = proc_dointvec, }, #if defined(CONFIG_LOCKUP_DETECTOR) { .procname = "watchdog", .data = &watchdog_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dowatchdog, .extra1 = &zero, .extra2 = &one, }, { .procname = "watchdog_thresh", .data = &watchdog_thresh, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dowatchdog, .extra1 = &neg_one, .extra2 = &sixty, }, { .procname = "softlockup_panic", .data = &softlockup_panic, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, { .procname = "nmi_watchdog", .data = &watchdog_enabled, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dowatchdog, .extra1 = &zero, .extra2 = &one, }, #endif #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) { .procname = "unknown_nmi_panic", .data = &unknown_nmi_panic, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #if defined(CONFIG_X86) { .procname = "panic_on_unrecovered_nmi", .data = &panic_on_unrecovered_nmi, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "panic_on_io_nmi", .data = &panic_on_io_nmi, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #ifdef CONFIG_DEBUG_STACKOVERFLOW { .procname = "panic_on_stackoverflow", .data = &sysctl_panic_on_stackoverflow, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "bootloader_type", .data = &bootloader_type, .maxlen = sizeof (int), .mode = 0444, .proc_handler = proc_dointvec, }, { .procname = "bootloader_version", .data = &bootloader_version, .maxlen = sizeof (int), .mode = 0444, .proc_handler = proc_dointvec, }, { .procname = "kstack_depth_to_print", .data = &kstack_depth_to_print, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "io_delay_type", .data = &io_delay_type, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #if defined(CONFIG_MMU) { .procname = "randomize_va_space", .data = &randomize_va_space, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #if defined(CONFIG_S390) && defined(CONFIG_SMP) { .procname = "spin_retry", .data = &spin_retry, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #if defined(CONFIG_ACPI_SLEEP) && defined(CONFIG_X86) { .procname = "acpi_video_flags", .data = &acpi_realmode_flags, .maxlen = sizeof (unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, #endif #ifdef CONFIG_IA64 { .procname = "ignore-unaligned-usertrap", .data = &no_unaligned_warning, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "unaligned-dump-stack", .data = &unaligned_dump_stack, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_DETECT_HUNG_TASK { .procname = "hung_task_panic", .data = &sysctl_hung_task_panic, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, { .procname = "hung_task_check_count", .data = &sysctl_hung_task_check_count, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, { .procname = "hung_task_timeout_secs", .data = &sysctl_hung_task_timeout_secs, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_dohung_task_timeout_secs, }, { .procname = "hung_task_warnings", .data = &sysctl_hung_task_warnings, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, #endif #ifdef CONFIG_COMPAT { .procname = "compat-log", .data = &compat_log, .maxlen = sizeof (int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_RT_MUTEXES { .procname = "max_lock_depth", .data = &max_lock_depth, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { .procname = "poweroff_cmd", .data = &poweroff_cmd, .maxlen = POWEROFF_CMD_PATH_LEN, .mode = 0644, .proc_handler = proc_dostring, }, #ifdef CONFIG_KEYS { .procname = "keys", .mode = 0555, .child = key_sysctls, }, #endif #ifdef CONFIG_RCU_TORTURE_TEST { .procname = "rcutorture_runnable", .data = &rcutorture_runnable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_PERF_EVENTS /* * User-space scripts rely on the existence of this file * as a feature check for perf_events being enabled. * * So it's an ABI, do not remove! */ { .procname = "perf_event_paranoid", .data = &sysctl_perf_event_paranoid, .maxlen = sizeof(sysctl_perf_event_paranoid), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "perf_event_mlock_kb", .data = &sysctl_perf_event_mlock, .maxlen = sizeof(sysctl_perf_event_mlock), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "perf_event_max_sample_rate", .data = &sysctl_perf_event_sample_rate, .maxlen = sizeof(sysctl_perf_event_sample_rate), .mode = 0644, .proc_handler = perf_proc_update_handler, }, #endif #ifdef CONFIG_KMEMCHECK { .procname = "kmemcheck", .data = &kmemcheck_enabled, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_BLOCK { .procname = "blk_iopoll", .data = &blk_iopoll_enabled, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif { } }; static struct ctl_table vm_table[] = { { .procname = "overcommit_memory", .data = &sysctl_overcommit_memory, .maxlen = sizeof(sysctl_overcommit_memory), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, }, { .procname = "panic_on_oom", .data = &sysctl_panic_on_oom, .maxlen = sizeof(sysctl_panic_on_oom), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, }, { .procname = "oom_kill_allocating_task", .data = &sysctl_oom_kill_allocating_task, .maxlen = sizeof(sysctl_oom_kill_allocating_task), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "oom_dump_tasks", .data = &sysctl_oom_dump_tasks, .maxlen = sizeof(sysctl_oom_dump_tasks), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "overcommit_ratio", .data = &sysctl_overcommit_ratio, .maxlen = sizeof(sysctl_overcommit_ratio), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "page-cluster", .data = &page_cluster, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, }, { .procname = "dirty_background_ratio", .data = &dirty_background_ratio, .maxlen = sizeof(dirty_background_ratio), .mode = 0644, .proc_handler = dirty_background_ratio_handler, .extra1 = &zero, .extra2 = &one_hundred, }, { .procname = "dirty_background_bytes", .data = &dirty_background_bytes, .maxlen = sizeof(dirty_background_bytes), .mode = 0644, .proc_handler = dirty_background_bytes_handler, .extra1 = &one_ul, }, { .procname = "dirty_ratio", .data = &vm_dirty_ratio, .maxlen = sizeof(vm_dirty_ratio), .mode = 0644, .proc_handler = dirty_ratio_handler, .extra1 = &zero, .extra2 = &one_hundred, }, { .procname = "dirty_bytes", .data = &vm_dirty_bytes, .maxlen = sizeof(vm_dirty_bytes), .mode = 0644, .proc_handler = dirty_bytes_handler, .extra1 = &dirty_bytes_min, }, { .procname = "dirty_writeback_centisecs", .data = &dirty_writeback_interval, .maxlen = sizeof(dirty_writeback_interval), .mode = 0644, .proc_handler = dirty_writeback_centisecs_handler, }, { .procname = "dirty_expire_centisecs", .data = &dirty_expire_interval, .maxlen = sizeof(dirty_expire_interval), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, }, { .procname = "nr_pdflush_threads", .data = &nr_pdflush_threads, .maxlen = sizeof nr_pdflush_threads, .mode = 0444 /* read-only*/, .proc_handler = proc_dointvec, }, { .procname = "swappiness", .data = &vm_swappiness, .maxlen = sizeof(vm_swappiness), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one_hundred, }, #ifdef CONFIG_HUGETLB_PAGE { .procname = "nr_hugepages", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = hugetlb_sysctl_handler, .extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, }, #ifdef CONFIG_NUMA { .procname = "nr_hugepages_mempolicy", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = &hugetlb_mempolicy_sysctl_handler, .extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, }, #endif { .procname = "hugetlb_shm_group", .data = &sysctl_hugetlb_shm_group, .maxlen = sizeof(gid_t), .mode = 0644, .proc_handler = proc_dointvec, }, { .procname = "hugepages_treat_as_movable", .data = &hugepages_treat_as_movable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = hugetlb_treat_movable_handler, }, { .procname = "nr_overcommit_hugepages", .data = NULL, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = hugetlb_overcommit_handler, .extra1 = (void *)&hugetlb_zero, .extra2 = (void *)&hugetlb_infinity, }, #endif { .procname = "lowmem_reserve_ratio", .data = &sysctl_lowmem_reserve_ratio, .maxlen = sizeof(sysctl_lowmem_reserve_ratio), .mode = 0644, .proc_handler = lowmem_reserve_ratio_sysctl_handler, }, { .procname = "drop_caches", .data = &sysctl_drop_caches, .maxlen = sizeof(int), .mode = 0644, .proc_handler = drop_caches_sysctl_handler, .extra1 = &one, .extra2 = &three, }, #ifdef CONFIG_COMPACTION { .procname = "compact_memory", .data = &sysctl_compact_memory, .maxlen = sizeof(int), .mode = 0200, .proc_handler = sysctl_compaction_handler, }, { .procname = "extfrag_threshold", .data = &sysctl_extfrag_threshold, .maxlen = sizeof(int), .mode = 0644, .proc_handler = sysctl_extfrag_handler, .extra1 = &min_extfrag_threshold, .extra2 = &max_extfrag_threshold, }, #endif /* CONFIG_COMPACTION */ { .procname = "min_free_kbytes", .data = &min_free_kbytes, .maxlen = sizeof(min_free_kbytes), .mode = 0644, .proc_handler = min_free_kbytes_sysctl_handler, .extra1 = &zero, }, { .procname = "percpu_pagelist_fraction", .data = &percpu_pagelist_fraction, .maxlen = sizeof(percpu_pagelist_fraction), .mode = 0644, .proc_handler = percpu_pagelist_fraction_sysctl_handler, .extra1 = &min_percpu_pagelist_fract, }, #ifdef CONFIG_MMU { .procname = "max_map_count", .data = &sysctl_max_map_count, .maxlen = sizeof(sysctl_max_map_count), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, }, #else { .procname = "nr_trim_pages", .data = &sysctl_nr_trim_pages, .maxlen = sizeof(sysctl_nr_trim_pages), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, }, #endif { .procname = "laptop_mode", .data = &laptop_mode, .maxlen = sizeof(laptop_mode), .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, { .procname = "block_dump", .data = &block_dump, .maxlen = sizeof(block_dump), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, }, { .procname = "vfs_cache_pressure", .data = &sysctl_vfs_cache_pressure, .maxlen = sizeof(sysctl_vfs_cache_pressure), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, }, #ifdef HAVE_ARCH_PICK_MMAP_LAYOUT { .procname = "legacy_va_layout", .data = &sysctl_legacy_va_layout, .maxlen = sizeof(sysctl_legacy_va_layout), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, }, #endif #ifdef CONFIG_NUMA { .procname = "zone_reclaim_mode", .data = &zone_reclaim_mode, .maxlen = sizeof(zone_reclaim_mode), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, }, { .procname = "min_unmapped_ratio", .data = &sysctl_min_unmapped_ratio, .maxlen = sizeof(sysctl_min_unmapped_ratio), .mode = 0644, .proc_handler = sysctl_min_unmapped_ratio_sysctl_handler, .extra1 = &zero, .extra2 = &one_hundred, }, { .procname = "min_slab_ratio", .data = &sysctl_min_slab_ratio, .maxlen = sizeof(sysctl_min_slab_ratio), .mode = 0644, .proc_handler = sysctl_min_slab_ratio_sysctl_handler, .extra1 = &zero, .extra2 = &one_hundred, }, #endif #ifdef CONFIG_SMP { .procname = "stat_interval", .data = &sysctl_stat_interval, .maxlen = sizeof(sysctl_stat_interval), .mode = 0644, .proc_handler = proc_dointvec_jiffies, }, #endif #ifdef CONFIG_MMU { .procname = "mmap_min_addr", .data = &dac_mmap_min_addr, .maxlen = sizeof(unsigned long), .mode = 0644, .proc_handler = mmap_min_addr_handler, }, #endif #ifdef CONFIG_NUMA { .procname = "numa_zonelist_order", .data = &numa_zonelist_order, .maxlen = NUMA_ZONELIST_ORDER_LEN, .mode = 0644, .proc_handler = numa_zonelist_order_handler, }, #endif #if (defined(CONFIG_X86_32) && !defined(CONFIG_UML))|| \ (defined(CONFIG_SUPERH) && defined(CONFIG_VSYSCALL)) { .procname = "vdso_enabled", .data = &vdso_enabled, .maxlen = sizeof(vdso_enabled), .mode = 0644, .proc_handler = proc_dointvec, .extra1 = &zero, }, #endif #ifdef CONFIG_HIGHMEM { .procname = "highmem_is_dirtyable", .data = &vm_highmem_is_dirtyable, .maxlen = sizeof(vm_highmem_is_dirtyable), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, #endif { .procname = "scan_unevictable_pages", .data = &scan_unevictable_pages, .maxlen = sizeof(scan_unevictable_pages), .mode = 0644, .proc_handler = scan_unevictable_handler, }, #ifdef CONFIG_MEMORY_FAILURE { .procname = "memory_failure_early_kill", .data = &sysctl_memory_failure_early_kill, .maxlen = sizeof(sysctl_memory_failure_early_kill), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, { .procname = "memory_failure_recovery", .data = &sysctl_memory_failure_recovery, .maxlen = sizeof(sysctl_memory_failure_recovery), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &one, }, #endif { } }; #if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) static struct ctl_table binfmt_misc_table[] = { { } }; #endif static struct ctl_table fs_table[] = { { .procname = "inode-nr", .data = &inodes_stat, .maxlen = 2*sizeof(int), .mode = 0444, .proc_handler = proc_nr_inodes, }, { .procname = "inode-state", .data = &inodes_stat, .maxlen = 7*sizeof(int), .mode = 0444, .proc_handler = proc_nr_inodes, }, { .procname = "file-nr", .data = &files_stat, .maxlen = sizeof(files_stat), .mode = 0444, .proc_handler = proc_nr_files, }, { .procname = "file-max", .data = &files_stat.max_files, .maxlen = sizeof(files_stat.max_files), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, { .procname = "nr_open", .data = &sysctl_nr_open, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &sysctl_nr_open_min, .extra2 = &sysctl_nr_open_max, }, { .procname = "dentry-state", .data = &dentry_stat, .maxlen = 6*sizeof(int), .mode = 0444, .proc_handler = proc_nr_dentry, }, { .procname = "overflowuid", .data = &fs_overflowuid, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &minolduid, .extra2 = &maxolduid, }, { .procname = "overflowgid", .data = &fs_overflowgid, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &minolduid, .extra2 = &maxolduid, }, #ifdef CONFIG_FILE_LOCKING { .procname = "leases-enable", .data = &leases_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_DNOTIFY { .procname = "dir-notify-enable", .data = &dir_notify_enable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_MMU #ifdef CONFIG_FILE_LOCKING { .procname = "lease-break-time", .data = &lease_break_time, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec, }, #endif #ifdef CONFIG_AIO { .procname = "aio-nr", .data = &aio_nr, .maxlen = sizeof(aio_nr), .mode = 0444, .proc_handler = proc_doulongvec_minmax, }, { .procname = "aio-max-nr", .data = &aio_max_nr, .maxlen = sizeof(aio_max_nr), .mode = 0644, .proc_handler = proc_doulongvec_minmax, }, #endif /* CONFIG_AIO */ #ifdef CONFIG_INOTIFY_USER { .procname = "inotify", .mode = 0555, .child = inotify_table, }, #endif #ifdef CONFIG_EPOLL { .procname = "epoll", .mode = 0555, .child = epoll_table, }, #endif #endif { .procname = "suid_dumpable", .data = &suid_dumpable, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec_minmax, .extra1 = &zero, .extra2 = &two, }, #if defined(CONFIG_BINFMT_MISC) || defined(CONFIG_BINFMT_MISC_MODULE) { .procname = "binfmt_misc", .mode = 0555, .child = binfmt_misc_table, }, #endif { .procname = "pipe-max-size", .data = &pipe_max_size, .maxlen = sizeof(int), .mode = 0644, .proc_handler = &pipe_proc_fn, .extra1 = &pipe_min_size, }, { } }; static struct ctl_table debug_table[] = { #if defined(CONFIG_X86) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) || \ defined(CONFIG_S390) || defined(CONFIG_TILE) { .procname = "exception-trace", .data = &show_unhandled_signals, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_dointvec }, #endif #if defined(CONFIG_OPTPROBES) { .procname = "kprobes-optimization", .data = &sysctl_kprobes_optimization, .maxlen = sizeof(int), .mode = 0644, .proc_handler = proc_kprobes_optimization_handler, .extra1 = &zero, .extra2 = &one, }, #endif { } }; static struct ctl_table dev_table[] = { { } }; int __init sysctl_init(void) { register_sysctl_table(sysctl_base_table); return 0; } #endif /* CONFIG_SYSCTL */ /* * /proc/sys support */ #ifdef CONFIG_PROC_SYSCTL static int _proc_do_string(void* data, int maxlen, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { size_t len; char __user *p; char c; if (!data || !maxlen || !*lenp) { *lenp = 0; return 0; } if (write) { len = 0; p = buffer; while (len < *lenp) { if (get_user(c, p++)) return -EFAULT; if (c == 0 || c == '\n') break; len++; } if (len >= maxlen) len = maxlen-1; if(copy_from_user(data, buffer, len)) return -EFAULT; ((char *) data)[len] = 0; *ppos += *lenp; } else { len = strlen(data); if (len > maxlen) len = maxlen; if (*ppos > len) { *lenp = 0; return 0; } data += *ppos; len -= *ppos; if (len > *lenp) len = *lenp; if (len) if(copy_to_user(buffer, data, len)) return -EFAULT; if (len < *lenp) { if(put_user('\n', ((char __user *) buffer) + len)) return -EFAULT; len++; } *lenp = len; *ppos += len; } return 0; } /** * proc_dostring - read a string sysctl * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes a string from/to the user buffer. If the kernel * buffer provided is not large enough to hold the string, the * string is truncated. The copied string is %NULL-terminated. * If the string is being read by the user process, it is copied * and a newline '\n' is added. It is truncated if the buffer is * not large enough. * * Returns 0 on success. */ int proc_dostring(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { return _proc_do_string(table->data, table->maxlen, write, buffer, lenp, ppos); } static size_t proc_skip_spaces(char **buf) { size_t ret; char *tmp = skip_spaces(*buf); ret = tmp - *buf; *buf = tmp; return ret; } static void proc_skip_char(char **buf, size_t *size, const char v) { while (*size) { if (**buf != v) break; (*size)--; (*buf)++; } } #define TMPBUFLEN 22 /** * proc_get_long - reads an ASCII formatted integer from a user buffer * * @buf: a kernel buffer * @size: size of the kernel buffer * @val: this is where the number will be stored * @neg: set to %TRUE if number is negative * @perm_tr: a vector which contains the allowed trailers * @perm_tr_len: size of the perm_tr vector * @tr: pointer to store the trailer character * * In case of success %0 is returned and @buf and @size are updated with * the amount of bytes read. If @tr is non-NULL and a trailing * character exists (size is non-zero after returning from this * function), @tr is updated with the trailing character. */ static int proc_get_long(char **buf, size_t *size, unsigned long *val, bool *neg, const char *perm_tr, unsigned perm_tr_len, char *tr) { int len; char *p, tmp[TMPBUFLEN]; if (!*size) return -EINVAL; len = *size; if (len > TMPBUFLEN - 1) len = TMPBUFLEN - 1; memcpy(tmp, *buf, len); tmp[len] = 0; p = tmp; if (*p == '-' && *size > 1) { *neg = true; p++; } else *neg = false; if (!isdigit(*p)) return -EINVAL; *val = simple_strtoul(p, &p, 0); len = p - tmp; /* We don't know if the next char is whitespace thus we may accept * invalid integers (e.g. 1234...a) or two integers instead of one * (e.g. 123...1). So lets not allow such large numbers. */ if (len == TMPBUFLEN - 1) return -EINVAL; if (len < *size && perm_tr_len && !memchr(perm_tr, *p, perm_tr_len)) return -EINVAL; if (tr && (len < *size)) *tr = *p; *buf += len; *size -= len; return 0; } /** * proc_put_long - converts an integer to a decimal ASCII formatted string * * @buf: the user buffer * @size: the size of the user buffer * @val: the integer to be converted * @neg: sign of the number, %TRUE for negative * * In case of success %0 is returned and @buf and @size are updated with * the amount of bytes written. */ static int proc_put_long(void __user **buf, size_t *size, unsigned long val, bool neg) { int len; char tmp[TMPBUFLEN], *p = tmp; sprintf(p, "%s%lu", neg ? "-" : "", val); len = strlen(tmp); if (len > *size) len = *size; if (copy_to_user(*buf, tmp, len)) return -EFAULT; *size -= len; *buf += len; return 0; } #undef TMPBUFLEN static int proc_put_char(void __user **buf, size_t *size, char c) { if (*size) { char __user **buffer = (char __user **)buf; if (put_user(c, *buffer)) return -EFAULT; (*size)--, (*buffer)++; *buf = *buffer; } return 0; } static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, int *valp, int write, void *data) { if (write) { *valp = *negp ? -*lvalp : *lvalp; } else { int val = *valp; if (val < 0) { *negp = true; *lvalp = (unsigned long)-val; } else { *negp = false; *lvalp = (unsigned long)val; } } return 0; } static const char proc_wspace_sep[] = { ' ', '\t', '\n' }; static int __do_proc_dointvec(void *tbl_data, struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(bool *negp, unsigned long *lvalp, int *valp, int write, void *data), void *data) { int *i, vleft, first = 1, err = 0; unsigned long page = 0; size_t left; char *kbuf; if (!tbl_data || !table->maxlen || !*lenp || (*ppos && !write)) { *lenp = 0; return 0; } i = (int *) tbl_data; vleft = table->maxlen / sizeof(*i); left = *lenp; if (!conv) conv = do_proc_dointvec_conv; if (write) { if (left > PAGE_SIZE - 1) left = PAGE_SIZE - 1; page = __get_free_page(GFP_TEMPORARY); kbuf = (char *) page; if (!kbuf) return -ENOMEM; if (copy_from_user(kbuf, buffer, left)) { err = -EFAULT; goto free; } kbuf[left] = 0; } for (; left && vleft--; i++, first=0) { unsigned long lval; bool neg; if (write) { left -= proc_skip_spaces(&kbuf); if (!left) break; err = proc_get_long(&kbuf, &left, &lval, &neg, proc_wspace_sep, sizeof(proc_wspace_sep), NULL); if (err) break; if (conv(&neg, &lval, i, 1, data)) { err = -EINVAL; break; } } else { if (conv(&neg, &lval, i, 0, data)) { err = -EINVAL; break; } if (!first) err = proc_put_char(&buffer, &left, '\t'); if (err) break; err = proc_put_long(&buffer, &left, lval, neg); if (err) break; } } if (!write && !first && left && !err) err = proc_put_char(&buffer, &left, '\n'); if (write && !err && left) left -= proc_skip_spaces(&kbuf); free: if (write) { free_page(page); if (first) return err ? : -EINVAL; } *lenp -= left; *ppos += *lenp; return err; } static int do_proc_dointvec(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos, int (*conv)(bool *negp, unsigned long *lvalp, int *valp, int write, void *data), void *data) { return __do_proc_dointvec(table->data, table, write, buffer, lenp, ppos, conv, data); } /** * proc_dointvec - read a vector of integers * @table: the sysctl table * @write: %TRUE if this is a write to the sysctl file * @buffer: the user buffer * @lenp: the size of the user buffer * @ppos: file position * * Reads/writes up to table->maxlen/sizeof(unsigned int) integer * values from/to the user buffer, treated as an ASCII string. * * Returns 0 on success. */ int proc_dointvec(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { return do_proc_dointvec(table,write,buffer,lenp,ppos, NULL,NULL); } /* * Taint values can only be increased * This means we can safely use a temporary. */ static int proc_taint(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos) { struct ctl_table t; unsigned long tmptaint = get_taint(); int err; if (write && !capable(CAP_SYS_ADMIN)) return -EPERM; t = *table; t.data = &tmptaint; err = proc_doulongvec_minmax(&t, write, buffer, lenp, ppos); if (err < 0)


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