Commit 57794a9d authored by Wenji Huang's avatar Wenji Huang Committed by Steven Rostedt
Browse files

trace: trivial fixes in comment typos.



Impact: clean up

Fixed several typos in the comments.
Signed-off-by: default avatarWenji Huang <wenji.huang@oracle.com>
Signed-off-by: default avatarSteven Rostedt <srostedt@redhat.com>
parent a81bd80a
...@@ -140,7 +140,7 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; } ...@@ -140,7 +140,7 @@ static inline int ftrace_disable_ftrace_graph_caller(void) { return 0; }
#endif #endif
/** /**
* ftrace_make_nop - convert code into top * ftrace_make_nop - convert code into nop
* @mod: module structure if called by module load initialization * @mod: module structure if called by module load initialization
* @rec: the mcount call site record * @rec: the mcount call site record
* @addr: the address that the call site should be calling * @addr: the address that the call site should be calling
......
...@@ -465,7 +465,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable) ...@@ -465,7 +465,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
* it is not enabled then do nothing. * it is not enabled then do nothing.
* *
* If this record is not to be traced and * 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) { if (rec->flags & FTRACE_FL_NOTRACE) {
...@@ -485,7 +485,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable) ...@@ -485,7 +485,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
if (fl == (FTRACE_FL_FILTER | FTRACE_FL_ENABLED)) if (fl == (FTRACE_FL_FILTER | FTRACE_FL_ENABLED))
return 0; return 0;
/* Record is not filtered and is not enabled do nothing */ /* Record is not filtered or enabled, do nothing */
if (!fl) if (!fl)
return 0; return 0;
...@@ -507,7 +507,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable) ...@@ -507,7 +507,7 @@ __ftrace_replace_code(struct dyn_ftrace *rec, int enable)
} else { } else {
/* if record is not enabled do nothing */ /* if record is not enabled, do nothing */
if (!(rec->flags & FTRACE_FL_ENABLED)) if (!(rec->flags & FTRACE_FL_ENABLED))
return 0; return 0;
......
...@@ -616,12 +616,12 @@ extern struct tracer nop_trace; ...@@ -616,12 +616,12 @@ extern struct tracer nop_trace;
* preempt_enable (after a disable), a schedule might take place * preempt_enable (after a disable), a schedule might take place
* causing an infinite recursion. * 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 * disabling preemption. When we want to enable preemption we
* check the flag, if it is set, then we call preempt_enable_no_resched. * check the flag, if it is set, then we call preempt_enable_no_resched.
* Otherwise, we call preempt_enable. * 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 * 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 * (where we do not need to check for scheduling) or we are inside
* the scheduler and do not want to resched. * the scheduler and do not want to resched.
...@@ -642,7 +642,7 @@ static inline int ftrace_preempt_disable(void) ...@@ -642,7 +642,7 @@ static inline int ftrace_preempt_disable(void)
* *
* This is a scheduler safe way to enable preemption and not miss * This is a scheduler safe way to enable preemption and not miss
* any preemption checks. The disabled saved the state of preemption. * 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 * are inside the scheduler (we would have already scheduled
* otherwise). In this case, we do not want to call normal * otherwise). In this case, we do not want to call normal
* preempt_enable, but preempt_enable_no_resched instead. * preempt_enable, but preempt_enable_no_resched instead.
......
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