1 files changed, 20 insertions, 22 deletions

diff --git a/kernel/trace/trace_ksym.c b/kernel/trace/trace_ksym.c
index c538b15b95d..ddfa0fd43bc 100644
--- a/kernel/trace/trace_ksym.c
+++ b/kernel/trace/trace_ksym.c
@@ -42,9 +42,7 @@
 
 struct trace_ksym {
         struct perf_event       **ksym_hbp;
-        unsigned long           ksym_addr;
-        int                     type;
-        int                     len;
+        struct perf_event_attr  attr;
 #ifdef CONFIG_PROFILE_KSYM_TRACER
         unsigned long           counter;
 #endif
@@ -71,7 +69,7 @@ void ksym_collect_stats(unsigned long hbp_hit_addr)
 
         rcu_read_lock();
         hlist_for_each_entry_rcu(entry, node, &ksym_filter_head, ksym_hlist) {
-                if ((entry->ksym_addr == hbp_hit_addr) &&
+                if ((entry->attr.bp_addr == hbp_hit_addr) &&
                     (entry->counter <= MAX_UL_INT)) {
                         entry->counter++;
                         break;
@@ -192,14 +190,15 @@ int process_new_ksym_entry(char *ksymname, int op, unsigned long addr)
         if (!entry)
                 return -ENOMEM;
 
-        entry->type = op;
-        entry->ksym_addr = addr;
-        entry->len = HW_BREAKPOINT_LEN_4;
+        hw_breakpoint_init(&entry->attr);
+
+        entry->attr.bp_type = op;
+        entry->attr.bp_addr = addr;
+        entry->attr.bp_len = HW_BREAKPOINT_LEN_4;
 
         ret = -EAGAIN;
-        entry->ksym_hbp = register_wide_hw_breakpoint(entry->ksym_addr,
-                                        entry->len, entry->type,
-                                        ksym_hbp_handler, true);
+        entry->ksym_hbp = register_wide_hw_breakpoint(&entry->attr,
+                                        ksym_hbp_handler);
 
         if (IS_ERR(entry->ksym_hbp)) {
                 ret = PTR_ERR(entry->ksym_hbp);
@@ -236,12 +235,12 @@ static ssize_t ksym_trace_filter_read(struct file *filp, char __user *ubuf,
         mutex_lock(&ksym_tracer_mutex);
 
         hlist_for_each_entry(entry, node, &ksym_filter_head, ksym_hlist) {
-                ret = trace_seq_printf(s, "%pS:", (void *)entry->ksym_addr);
-                if (entry->type == HW_BREAKPOINT_R)
+                ret = trace_seq_printf(s, "%pS:", (void *)entry->attr.bp_addr);
+                if (entry->attr.bp_type == HW_BREAKPOINT_R)
                         ret = trace_seq_puts(s, "r--\n");
-                else if (entry->type == HW_BREAKPOINT_W)
+                else if (entry->attr.bp_type == HW_BREAKPOINT_W)
                         ret = trace_seq_puts(s, "-w-\n");
-                else if (entry->type == (HW_BREAKPOINT_W | HW_BREAKPOINT_R))
+                else if (entry->attr.bp_type == (HW_BREAKPOINT_W | HW_BREAKPOINT_R))
                         ret = trace_seq_puts(s, "rw-\n");
                 WARN_ON_ONCE(!ret);
         }
@@ -317,9 +316,9 @@ static ssize_t ksym_trace_filter_write(struct file *file,
 
         ret = -EINVAL;
         hlist_for_each_entry(entry, node, &ksym_filter_head, ksym_hlist) {
-                if (entry->ksym_addr == ksym_addr) {
+                if (entry->attr.bp_addr == ksym_addr) {
                         /* Check for malformed request: (6) */
-                        if (entry->type != op)
+                        if (entry->attr.bp_type != op)
                                 changed = 1;
                         else
                                 goto out;
@@ -328,13 +327,12 @@ static ssize_t ksym_trace_filter_write(struct file *file,
         }
         if (changed) {
                 unregister_wide_hw_breakpoint(entry->ksym_hbp);
-                entry->type = op;
+                entry->attr.bp_type = op;
                 ret = 0;
                 if (op > 0) {
                         entry->ksym_hbp =
-                                register_wide_hw_breakpoint(entry->ksym_addr,
-                                        entry->len, entry->type,
-                                        ksym_hbp_handler, true);
+                                register_wide_hw_breakpoint(&entry->attr,
+                                        ksym_hbp_handler);
                         if (IS_ERR(entry->ksym_hbp))
                                 ret = PTR_ERR(entry->ksym_hbp);
                         else
@@ -489,7 +487,7 @@ static int ksym_tracer_stat_show(struct seq_file *m, void *v)
 
         entry = hlist_entry(stat, struct trace_ksym, ksym_hlist);
 
-        access_type = entry->type;
+        access_type = entry->attr.bp_type;
 
         switch (access_type) {
         case HW_BREAKPOINT_R:
@@ -505,7 +503,7 @@ static int ksym_tracer_stat_show(struct seq_file *m, void *v)
                 seq_puts(m, "  NA          ");
         }
 
-        if (lookup_symbol_name(entry->ksym_addr, fn_name) >= 0)
+        if (lookup_symbol_name(entry->attr.bp_addr, fn_name) >= 0)
                 seq_printf(m, "  %-36s", fn_name);
         else
                 seq_printf(m, "  %-36s", "<NA>");