trace: trivial fixes in comment typos.

Impact: clean up

Fixed several typos in the comments.

Signed-off-by: Wenji Huang <wenji.huang@oracle.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 7840e71..5e302d6 100644 (file)
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -140,7 +140,7 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
 #endif
 
 /**
- * ftrace_make_nop - convert code into top
+ * ftrace_make_nop - convert code into nop
  * @mod: module structure if called by module load initialization
  * @rec: the mcount call site record
  * @addr: the address that the call site should be calling

diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 6861003..1796e01 100644 (file)
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -465,7 +465,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
         * it is not enabled then do nothing.
         *
         * If this record is not to be traced and
-        * it is enabled then disabled it.
+        * it is enabled then disable it.
         *
         */
        if (rec->flags & FTRACE_FL_NOTRACE) {
@@ -485,7 +485,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
                if (fl == (FTRACE_FL_FILTER | FTRACE_FL_ENABLED))
                        return 0;
 
-               /* Record is not filtered and is not enabled do nothing */
+               /* Record is not filtered or enabled, do nothing */
                if (!fl)
                        return 0;
 
@@ -507,7 +507,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
 
                } else {
 
-                       /* if record is not enabled do nothing */
+                       /* if record is not enabled, do nothing */
                        if (!(rec->flags & FTRACE_FL_ENABLED))
                                return 0;
 

diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 5efc4c7..f92aba5 100644 (file)
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -616,12 +616,12 @@ extern struct tracer nop_trace;
  * preempt_enable (after a disable), a schedule might take place
  * causing an infinite recursion.
  *
- * To prevent this, we read the need_recshed flag before
+ * To prevent this, we read the need_resched flag before
  * disabling preemption. When we want to enable preemption we
  * check the flag, if it is set, then we call preempt_enable_no_resched.
  * Otherwise, we call preempt_enable.
  *
- * The rational for doing the above is that if need resched is set
+ * The rational for doing the above is that if need_resched is set
  * and we have yet to reschedule, we are either in an atomic location
  * (where we do not need to check for scheduling) or we are inside
  * the scheduler and do not want to resched.
@@ -642,7 +642,7 @@ static inline int ftrace_preempt_disable(void)
  *
  * This is a scheduler safe way to enable preemption and not miss
  * any preemption checks. The disabled saved the state of preemption.
- * If resched is set, then we were either inside an atomic or
+ * If resched is set, then we are either inside an atomic or
  * are inside the scheduler (we would have already scheduled
  * otherwise). In this case, we do not want to call normal
  * preempt_enable, but preempt_enable_no_resched instead.