media: gpio-ir-tx: fix transmit with long spaces on Orange Pi PC

[platform/kernel/linux-starfive.git] / kernel / kprobes.c

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 21eccc9..94cab8c 100644 (file)
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -48,6 +48,9 @@
 #define KPROBE_HASH_BITS 6
 #define KPROBE_TABLE_SIZE (1 << KPROBE_HASH_BITS)
 
+#if !defined(CONFIG_OPTPROBES) || !defined(CONFIG_SYSCTL)
+#define kprobe_sysctls_init() do { } while (0)
+#endif
 
 static int kprobes_initialized;
 /* kprobe_table can be accessed by
@@ -938,10 +941,10 @@ static void unoptimize_all_kprobes(void)
 }
 
 static DEFINE_MUTEX(kprobe_sysctl_mutex);
-int sysctl_kprobes_optimization;
-int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
-                                     void *buffer, size_t *length,
-                                     loff_t *ppos)
+static int sysctl_kprobes_optimization;
+static int proc_kprobes_optimization_handler(struct ctl_table *table,
+                                            int write, void *buffer,
+                                            size_t *length, loff_t *ppos)
 {
        int ret;
 
@@ -957,6 +960,24 @@ int proc_kprobes_optimization_handler(struct ctl_table *table, int write,
 
        return ret;
 }
+
+static struct ctl_table kprobe_sysctls[] = {
+       {
+               .procname       = "kprobes-optimization",
+               .data           = &sysctl_kprobes_optimization,
+               .maxlen         = sizeof(int),
+               .mode           = 0644,
+               .proc_handler   = proc_kprobes_optimization_handler,
+               .extra1         = SYSCTL_ZERO,
+               .extra2         = SYSCTL_ONE,
+       },
+       {}
+};
+
+static void __init kprobe_sysctls_init(void)
+{
+       register_sysctl_init("debug", kprobe_sysctls);
+}
 #endif /* CONFIG_SYSCTL */
 
 /* Put a breakpoint for a probe. */
@@ -2584,6 +2605,7 @@ static int __init init_kprobes(void)
                err = register_module_notifier(&kprobe_module_nb);
 
        kprobes_initialized = (err == 0);
+       kprobe_sysctls_init();
        return err;
 }
 early_initcall(init_kprobes);