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@@ -16,6 +16,7 @@
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#include <linux/init_task.h>
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#include <linux/context_tracking.h>
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#include <linux/rcupdate_wait.h>
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+#include <linux/compat.h>
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#include <linux/blkdev.h>
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#include <linux/kprobes.h>
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@@ -5098,13 +5099,11 @@ SYSCALL_DEFINE1(sched_get_priority_min, int, policy)
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* Return: On success, 0 and the timeslice is in @interval. Otherwise,
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* an error code.
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*/
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-SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
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- struct timespec __user *, interval)
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+static int sched_rr_get_interval(pid_t pid, struct timespec64 *t)
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{
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struct task_struct *p;
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unsigned int time_slice;
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struct rq_flags rf;
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- struct timespec t;
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struct rq *rq;
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int retval;
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@@ -5128,15 +5127,40 @@ SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
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task_rq_unlock(rq, p, &rf);
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rcu_read_unlock();
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- jiffies_to_timespec(time_slice, &t);
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- retval = copy_to_user(interval, &t, sizeof(t)) ? -EFAULT : 0;
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- return retval;
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+ jiffies_to_timespec64(time_slice, t);
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+ return 0;
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out_unlock:
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rcu_read_unlock();
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return retval;
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}
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+SYSCALL_DEFINE2(sched_rr_get_interval, pid_t, pid,
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+ struct timespec __user *, interval)
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+{
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+ struct timespec64 t;
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+ int retval = sched_rr_get_interval(pid, &t);
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+
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+ if (retval == 0)
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+ retval = put_timespec64(&t, interval);
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+
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+ return retval;
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+}
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+
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+#ifdef CONFIG_COMPAT
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+COMPAT_SYSCALL_DEFINE2(sched_rr_get_interval,
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+ compat_pid_t, pid,
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+ struct compat_timespec __user *, interval)
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+{
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+ struct timespec64 t;
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+ int retval = sched_rr_get_interval(pid, &t);
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+
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+ if (retval == 0)
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+ retval = compat_put_timespec64(&t, interval);
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+ return retval;
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+}
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+#endif
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+
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void sched_show_task(struct task_struct *p)
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{
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unsigned long free = 0;
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