ARM64: dts: rk3368: add vop display node

[firefly-linux-kernel-4.4.55.git] / kernel / sysctl.c

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2cf1f8610dedf03f59449b0a3076ed4ecc16e1f5..d2f8f2d2332f7fb35163ee632324bf1ffcc585f4 100644 (file)
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -304,6 +304,64 @@ static struct ctl_table kern_table[] = {
                .extra1         = &min_sched_granularity_ns,
                .extra2         = &max_sched_granularity_ns,
        },
+       {
+               .procname       = "sched_is_big_little",
+               .data           = &sysctl_sched_is_big_little,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+#ifdef CONFIG_SCHED_WALT
+       {
+               .procname       = "sched_use_walt_cpu_util",
+               .data           = &sysctl_sched_use_walt_cpu_util,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+       {
+               .procname       = "sched_use_walt_task_util",
+               .data           = &sysctl_sched_use_walt_task_util,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+       {
+               .procname       = "sched_walt_init_task_load_pct",
+               .data           = &sysctl_sched_walt_init_task_load_pct,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+       {
+               .procname       = "sched_walt_cpu_high_irqload",
+               .data           = &sysctl_sched_walt_cpu_high_irqload,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+#endif
+       {
+               .procname       = "sched_sync_hint_enable",
+               .data           = &sysctl_sched_sync_hint_enable,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+       {
+               .procname       = "sched_initial_task_util",
+               .data           = &sysctl_sched_initial_task_util,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
+       {
+               .procname       = "sched_cstate_aware",
+               .data           = &sysctl_sched_cstate_aware,
+               .maxlen         = sizeof(unsigned int),
+               .mode           = 0644,
+               .proc_handler   = proc_dointvec,
+       },
        {
                .procname       = "sched_wakeup_granularity_ns",
                .data           = &sysctl_sched_wakeup_granularity,
@@ -440,7 +498,11 @@ static struct ctl_table kern_table[] = {
                .procname       = "sched_cfs_boost",
                .data           = &sysctl_sched_cfs_boost,
                .maxlen         = sizeof(sysctl_sched_cfs_boost),
+#ifdef CONFIG_CGROUP_SCHEDTUNE
+               .mode           = 0444,
+#else
                .mode           = 0644,
+#endif
                .proc_handler   = &sysctl_sched_cfs_boost_handler,
                .extra1         = &zero,
                .extra2         = &one_hundred,
@@ -2093,6 +2155,21 @@ static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp,
        return 0;
 }
 
+static int do_proc_douintvec_conv(bool *negp, unsigned long *lvalp,
+                                int *valp,
+                                int write, void *data)
+{
+       if (write) {
+               if (*negp)
+                       return -EINVAL;
+               *valp = *lvalp;
+       } else {
+               unsigned int val = *valp;
+               *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,
@@ -2220,8 +2297,27 @@ static int do_proc_dointvec(struct ctl_table *table, int write,
 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);
+       return do_proc_dointvec(table, write, buffer, lenp, ppos, NULL, NULL);
+}
+
+/**
+ * proc_douintvec - read a vector of unsigned 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) unsigned integer
+ * values from/to the user buffer, treated as an ASCII string.
+ *
+ * Returns 0 on success.
+ */
+int proc_douintvec(struct ctl_table *table, int write,
+                    void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+       return do_proc_dointvec(table, write, buffer, lenp, ppos,
+                               do_proc_douintvec_conv, NULL);
 }
 
 /*
@@ -2422,6 +2518,7 @@ static int __do_proc_doulongvec_minmax(void *data, struct ctl_table *table, int
                                break;
                        if (neg)
                                continue;
+                       val = convmul * val / convdiv;
                        if ((min && val < *min) || (max && val > *max))
                                continue;
                        *i = val;
@@ -2834,6 +2931,12 @@ int proc_dointvec(struct ctl_table *table, int write,
        return -ENOSYS;
 }
 
+int proc_douintvec(struct ctl_table *table, int write,
+                 void __user *buffer, size_t *lenp, loff_t *ppos)
+{
+       return -ENOSYS;
+}
+
 int proc_dointvec_minmax(struct ctl_table *table, int write,
                    void __user *buffer, size_t *lenp, loff_t *ppos)
 {
@@ -2879,6 +2982,7 @@ int proc_doulongvec_ms_jiffies_minmax(struct ctl_table *table, int write,
  * exception granted :-)
  */
 EXPORT_SYMBOL(proc_dointvec);
+EXPORT_SYMBOL(proc_douintvec);
 EXPORT_SYMBOL(proc_dointvec_jiffies);
 EXPORT_SYMBOL(proc_dointvec_minmax);
 EXPORT_SYMBOL(proc_dointvec_userhz_jiffies);