diff options
Diffstat (limited to 'kernel/sysctl.c')
| -rw-r--r-- | kernel/sysctl.c | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c index 19b62b522158..dc6858d6639e 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -64,6 +64,7 @@ #include <linux/binfmts.h> #include <linux/sched/sysctl.h> #include <linux/kexec.h> +#include <linux/bpf.h> #include <asm/uaccess.h> #include <asm/processor.h> @@ -621,7 +622,7 @@ static struct ctl_table kern_table[] = { .proc_handler = proc_dointvec, }, #endif -#ifdef CONFIG_KEXEC +#ifdef CONFIG_KEXEC_CORE { .procname = "kexec_load_disabled", .data = &kexec_load_disabled, @@ -887,6 +888,17 @@ static struct ctl_table kern_table[] = { .extra1 = &zero, .extra2 = &one, }, +#ifdef CONFIG_HARDLOCKUP_DETECTOR + { + .procname = "hardlockup_panic", + .data = &hardlockup_panic, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, + .extra2 = &one, + }, +#endif #ifdef CONFIG_SMP { .procname = "softlockup_all_cpu_backtrace", @@ -897,6 +909,15 @@ static struct ctl_table kern_table[] = { .extra1 = &zero, .extra2 = &one, }, + { + .procname = "hardlockup_all_cpu_backtrace", + .data = &sysctl_hardlockup_all_cpu_backtrace, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, + .extra2 = &one, + }, #endif /* CONFIG_SMP */ #endif #if defined(CONFIG_X86_LOCAL_APIC) && defined(CONFIG_X86) @@ -1139,6 +1160,18 @@ static struct ctl_table kern_table[] = { .proc_handler = timer_migration_handler, }, #endif +#ifdef CONFIG_BPF_SYSCALL + { + .procname = "unprivileged_bpf_disabled", + .data = &sysctl_unprivileged_bpf_disabled, + .maxlen = sizeof(sysctl_unprivileged_bpf_disabled), + .mode = 0644, + /* only handle a transition from default "0" to "1" */ + .proc_handler = proc_dointvec_minmax, + .extra1 = &one, + .extra2 = &one, + }, +#endif { } }; @@ -1995,7 +2028,7 @@ static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp, int val = *valp; if (val < 0) { *negp = true; - *lvalp = (unsigned long)-val; + *lvalp = -(unsigned long)val; } else { *negp = false; *lvalp = (unsigned long)val; @@ -2201,7 +2234,7 @@ static int do_proc_dointvec_minmax_conv(bool *negp, unsigned long *lvalp, int val = *valp; if (val < 0) { *negp = true; - *lvalp = (unsigned long)-val; + *lvalp = -(unsigned long)val; } else { *negp = false; *lvalp = (unsigned long)val; @@ -2436,7 +2469,7 @@ static int do_proc_dointvec_jiffies_conv(bool *negp, unsigned long *lvalp, unsigned long lval; if (val < 0) { *negp = true; - lval = (unsigned long)-val; + lval = -(unsigned long)val; } else { *negp = false; lval = (unsigned long)val; @@ -2459,7 +2492,7 @@ static int do_proc_dointvec_userhz_jiffies_conv(bool *negp, unsigned long *lvalp unsigned long lval; if (val < 0) { *negp = true; - lval = (unsigned long)-val; + lval = -(unsigned long)val; } else { *negp = false; lval = (unsigned long)val; @@ -2484,7 +2517,7 @@ static int do_proc_dointvec_ms_jiffies_conv(bool *negp, unsigned long *lvalp, unsigned long lval; if (val < 0) { *negp = true; - lval = (unsigned long)-val; + lval = -(unsigned long)val; } else { *negp = false; lval = (unsigned long)val; |