diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 50 |
1 files changed, 49 insertions, 1 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index ba4d9e85feb8..14f30b4a1b64 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -224,6 +224,11 @@ static int proc_dostring_coredump(struct ctl_table *table, int write, #endif static int proc_dopipe_max_size(struct ctl_table *table, int write, void __user *buffer, size_t *lenp, loff_t *ppos); +#ifdef CONFIG_BPF_SYSCALL +static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos); +#endif #ifdef CONFIG_MAGIC_SYSRQ /* Note: sysrq code uses its own private copy */ @@ -467,6 +472,17 @@ static struct ctl_table kern_table[] = { .extra1 = &one, }, #endif +#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) + { + .procname = "sched_energy_aware", + .data = &sysctl_sched_energy_aware, + .maxlen = sizeof(unsigned int), + .mode = 0644, + .proc_handler = sched_energy_aware_handler, + .extra1 = &zero, + .extra2 = &one, + }, +#endif #ifdef CONFIG_PROVE_LOCKING { .procname = "prove_locking", @@ -1229,6 +1245,15 @@ static struct ctl_table kern_table[] = { .extra1 = &one, .extra2 = &one, }, + { + .procname = "bpf_stats_enabled", + .data = &sysctl_bpf_stats_enabled, + .maxlen = sizeof(sysctl_bpf_stats_enabled), + .mode = 0644, + .proc_handler = proc_dointvec_minmax_bpf_stats, + .extra1 = &zero, + .extra2 = &one, + }, #endif #if defined(CONFIG_TREE_RCU) || defined(CONFIG_PREEMPT_RCU) { @@ -1446,7 +1471,7 @@ static struct ctl_table vm_table[] = { .data = &sysctl_extfrag_threshold, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = sysctl_extfrag_handler, + .proc_handler = proc_dointvec_minmax, .extra1 = &min_extfrag_threshold, .extra2 = &max_extfrag_threshold, }, @@ -3260,6 +3285,29 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write, #endif /* CONFIG_PROC_SYSCTL */ +#ifdef CONFIG_BPF_SYSCALL +static int proc_dointvec_minmax_bpf_stats(struct ctl_table *table, int write, + void __user *buffer, size_t *lenp, + loff_t *ppos) +{ + int ret, bpf_stats = *(int *)table->data; + struct ctl_table tmp = *table; + + if (write && !capable(CAP_SYS_ADMIN)) + return -EPERM; + + tmp.data = &bpf_stats; + ret = proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos); + if (write && !ret) { + *(int *)table->data = bpf_stats; + if (bpf_stats) + static_branch_enable(&bpf_stats_enabled_key); + else + static_branch_disable(&bpf_stats_enabled_key); + } + return ret; +} +#endif /* * No sense putting this after each symbol definition, twice, * exception granted :-) |