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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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rcu: Replace the old interface with the new one
This patch removed the old RCU debugfs interface and replaced it with the new one. Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Michael Wang
Paul E. McKenney
parent
51d0f16d49
commit
c011c41f11
@ -148,53 +148,27 @@ static void print_one_rcu_data(struct seq_file *m, struct rcu_data *rdp)
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rdp->n_cbs_invoked, rdp->n_cbs_orphaned, rdp->n_cbs_adopted);
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}
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static int show_rcudata(struct seq_file *m, void *unused)
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{
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int cpu;
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struct rcu_state *rsp;
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for_each_rcu_flavor(rsp) {
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seq_printf(m, "%s:\n", rsp->name);
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for_each_possible_cpu(cpu)
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print_one_rcu_data(m, per_cpu_ptr(rsp->rda, cpu));
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}
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return 0;
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}
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static int rcudata_open(struct inode *inode, struct file *file)
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{
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return single_open(file, show_rcudata, NULL);
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}
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static const struct file_operations rcudata_fops = {
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.owner = THIS_MODULE,
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.open = rcudata_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int new_show_rcudata(struct seq_file *m, void *v)
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static int show_rcudata(struct seq_file *m, void *v)
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{
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print_one_rcu_data(m, (struct rcu_data *)v);
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return 0;
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}
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static const struct seq_operations new_rcudate_op = {
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static const struct seq_operations rcudate_op = {
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.start = r_start,
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.next = r_next,
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.stop = r_stop,
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.show = new_show_rcudata,
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.show = show_rcudata,
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};
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static int new_rcudata_open(struct inode *inode, struct file *file)
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static int rcudata_open(struct inode *inode, struct file *file)
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{
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return r_open(inode, file, &new_rcudate_op);
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return r_open(inode, file, &rcudate_op);
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}
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static const struct file_operations new_rcudata_fops = {
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static const struct file_operations rcudata_fops = {
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.owner = THIS_MODULE,
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.open = new_rcudata_open,
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.open = rcudata_open,
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.read = seq_read,
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.llseek = no_llseek,
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.release = seq_release,
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@ -234,40 +208,7 @@ static void print_one_rcu_data_csv(struct seq_file *m, struct rcu_data *rdp)
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rdp->n_cbs_invoked, rdp->n_cbs_orphaned, rdp->n_cbs_adopted);
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}
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static int show_rcudata_csv(struct seq_file *m, void *unused)
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{
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int cpu;
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struct rcu_state *rsp;
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seq_puts(m, "\"CPU\",\"Online?\",\"c\",\"g\",\"pq\",\"pq\",");
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seq_puts(m, "\"dt\",\"dt nesting\",\"dt NMI nesting\",\"df\",");
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seq_puts(m, "\"of\",\"qll\",\"ql\",\"qs\"");
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#ifdef CONFIG_RCU_BOOST
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seq_puts(m, "\"kt\",\"ktl\"");
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#endif /* #ifdef CONFIG_RCU_BOOST */
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seq_puts(m, ",\"b\",\"ci\",\"co\",\"ca\"\n");
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for_each_rcu_flavor(rsp) {
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seq_printf(m, "\"%s:\"\n", rsp->name);
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for_each_possible_cpu(cpu)
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print_one_rcu_data_csv(m, per_cpu_ptr(rsp->rda, cpu));
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}
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return 0;
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}
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static int rcudata_csv_open(struct inode *inode, struct file *file)
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{
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return single_open(file, show_rcudata_csv, NULL);
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}
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static const struct file_operations rcudata_csv_fops = {
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.owner = THIS_MODULE,
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.open = rcudata_csv_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int new_show_rcudata_csv(struct seq_file *m, void *v)
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static int show_rcudata_csv(struct seq_file *m, void *v)
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{
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struct rcu_data *rdp = (struct rcu_data *)v;
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if (cpumask_first(cpu_possible_mask) == rdp->cpu) {
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@ -284,21 +225,21 @@ static int new_show_rcudata_csv(struct seq_file *m, void *v)
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return 0;
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}
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static const struct seq_operations new_rcudate_csv_op = {
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static const struct seq_operations rcudate_csv_op = {
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.start = r_start,
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.next = r_next,
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.stop = r_stop,
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.show = new_show_rcudata_csv,
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.show = show_rcudata_csv,
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};
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static int new_rcudata_csv_open(struct inode *inode, struct file *file)
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static int rcudata_csv_open(struct inode *inode, struct file *file)
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{
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return r_open(inode, file, &new_rcudate_csv_op);
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return r_open(inode, file, &rcudate_csv_op);
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}
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static const struct file_operations new_rcudata_csv_fops = {
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static const struct file_operations rcudata_csv_fops = {
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.owner = THIS_MODULE,
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.open = new_rcudata_csv_open,
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.open = rcudata_csv_open,
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.read = seq_read,
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.llseek = no_llseek,
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.release = seq_release,
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@ -484,53 +425,27 @@ static void print_one_rcu_pending(struct seq_file *m, struct rcu_data *rdp)
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rdp->n_rp_need_nothing);
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}
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static int show_rcu_pending(struct seq_file *m, void *unused)
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{
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int cpu;
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struct rcu_state *rsp;
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for_each_rcu_flavor(rsp) {
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seq_printf(m, "%s:\n", rsp->name);
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for_each_possible_cpu(cpu)
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print_one_rcu_pending(m, per_cpu_ptr(rsp->rda, cpu));
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}
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return 0;
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}
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static int rcu_pending_open(struct inode *inode, struct file *file)
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{
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return single_open(file, show_rcu_pending, NULL);
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}
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static const struct file_operations rcu_pending_fops = {
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.owner = THIS_MODULE,
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.open = rcu_pending_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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};
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static int new_show_rcu_pending(struct seq_file *m, void *v)
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static int show_rcu_pending(struct seq_file *m, void *v)
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{
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print_one_rcu_pending(m, (struct rcu_data *)v);
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return 0;
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}
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static const struct seq_operations new_rcu_pending_op = {
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static const struct seq_operations rcu_pending_op = {
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.start = r_start,
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.next = r_next,
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.stop = r_stop,
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.show = new_show_rcu_pending,
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.show = show_rcu_pending,
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};
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static int new_rcu_pending_open(struct inode *inode, struct file *file)
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static int rcu_pending_open(struct inode *inode, struct file *file)
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{
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return r_open(inode, file, &new_rcu_pending_op);
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return r_open(inode, file, &rcu_pending_op);
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}
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static const struct file_operations new_rcu_pending_fops = {
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static const struct file_operations rcu_pending_fops = {
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.owner = THIS_MODULE,
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.open = new_rcu_pending_open,
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.open = rcu_pending_open,
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.read = seq_read,
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.llseek = no_llseek,
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.release = seq_release,
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@ -577,17 +492,17 @@ static int __init rcutree_trace_init(void)
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goto free_out;
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retval = debugfs_create_file("rcudata", 0444,
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rspdir, rsp, &new_rcudata_fops);
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rspdir, rsp, &rcudata_fops);
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcudata.csv", 0444,
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rspdir, rsp, &new_rcudata_csv_fops);
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rspdir, rsp, &rcudata_csv_fops);
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcu_pending", 0444,
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rspdir, rsp, &new_rcu_pending_fops);
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rspdir, rsp, &rcu_pending_fops);
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if (!retval)
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goto free_out;
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}
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@ -597,16 +512,6 @@ static int __init rcutree_trace_init(void)
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcudata", 0444, rcudir,
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NULL, &rcudata_fops);
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcudata.csv", 0444, rcudir,
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NULL, &rcudata_csv_fops);
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if (!retval)
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goto free_out;
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if (rcu_boost_trace_create_file(rcudir))
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goto free_out;
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@ -619,11 +524,6 @@ static int __init rcutree_trace_init(void)
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcu_pending", 0444, rcudir,
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NULL, &rcu_pending_fops);
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if (!retval)
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goto free_out;
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retval = debugfs_create_file("rcutorture", 0444, rcudir,
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NULL, &rcutorture_fops);
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if (!retval)
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