2021-06-29 15:42:05

by Austin Kim

[permalink] [raw]
Subject: [PATCH] tracing: change variable type as bool for clean-up

From: Austin Kim <[email protected]>

The wakeup_rt wakeup_dl, tracing_dl is only set to 0, 1.
So changing type of wakeup_rt wakeup_dl, tracing_dl as bool
makes relevant routine be more readable.

Signed-off-by: Austin Kim <[email protected]>
---
kernel/trace/trace_sched_wakeup.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/kernel/trace/trace_sched_wakeup.c b/kernel/trace/trace_sched_wakeup.c
index e5778d1d7a5b..4547acb91a10 100644
--- a/kernel/trace/trace_sched_wakeup.c
+++ b/kernel/trace/trace_sched_wakeup.c
@@ -26,9 +26,9 @@ static struct task_struct *wakeup_task;
static int wakeup_cpu;
static int wakeup_current_cpu;
static unsigned wakeup_prio = -1;
-static int wakeup_rt;
-static int wakeup_dl;
-static int tracing_dl = 0;
+static bool wakeup_rt;
+static bool wakeup_dl;
+static bool tracing_dl = false;

static arch_spinlock_t wakeup_lock =
(arch_spinlock_t)__ARCH_SPIN_LOCK_UNLOCKED;
@@ -498,7 +498,7 @@ static void __wakeup_reset(struct trace_array *tr)
{
wakeup_cpu = -1;
wakeup_prio = -1;
- tracing_dl = 0;
+ tracing_dl = false;

if (wakeup_task)
put_task_struct(wakeup_task);
@@ -572,9 +572,9 @@ probe_wakeup(void *ignore, struct task_struct *p)
* another task until the first one wakes up.
*/
if (dl_task(p))
- tracing_dl = 1;
+ tracing_dl = true;
else
- tracing_dl = 0;
+ tracing_dl = false;

wakeup_task = get_task_struct(p);

@@ -685,8 +685,8 @@ static int wakeup_tracer_init(struct trace_array *tr)
if (wakeup_busy)
return -EBUSY;

- wakeup_dl = 0;
- wakeup_rt = 0;
+ wakeup_dl = false;
+ wakeup_rt = false;
return __wakeup_tracer_init(tr);
}

@@ -695,8 +695,8 @@ static int wakeup_rt_tracer_init(struct trace_array *tr)
if (wakeup_busy)
return -EBUSY;

- wakeup_dl = 0;
- wakeup_rt = 1;
+ wakeup_dl = false;
+ wakeup_rt = true;
return __wakeup_tracer_init(tr);
}

@@ -705,8 +705,8 @@ static int wakeup_dl_tracer_init(struct trace_array *tr)
if (wakeup_busy)
return -EBUSY;

- wakeup_dl = 1;
- wakeup_rt = 0;
+ wakeup_dl = true;
+ wakeup_rt = false;
return __wakeup_tracer_init(tr);
}

--
2.20.1