| From 5fc485f6341c177e9d5f641c6fb9e33ca465aa84 Mon Sep 17 00:00:00 2001 |
| From: Thomas Gleixner <tglx@linutronix.de> |
| Date: Wed, 12 Aug 2009 12:16:59 +0200 |
| Subject: [PATCH] hwlat: Move wakequeue wake up out of irq disable region |
| |
| commit 5fc485f6341c177e9d5f641c6fb9e33ca465aa84 in tip. |
| |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| |
| diff --git a/drivers/misc/hwlat_detector.c b/drivers/misc/hwlat_detector.c |
| index e02d8e1..be6553f 100644 |
| --- a/drivers/misc/hwlat_detector.c |
| +++ b/drivers/misc/hwlat_detector.c |
| @@ -262,8 +262,6 @@ static int get_sample(void *unused) |
| /* Keep a running maximum ever recorded hardware latency */ |
| if (sample > data.max_sample) |
| data.max_sample = sample; |
| - |
| - wake_up(&data.wq); /* wake up reader(s) */ |
| } |
| |
| ret = 0; |
| @@ -301,6 +299,8 @@ static int kthread_fn(void *unused) |
| goto err_out; |
| } |
| |
| + wake_up(&data.wq); /* wake up reader(s) */ |
| + |
| interval = data.sample_window - data.sample_width; |
| do_div(interval, USEC_PER_MSEC); /* modifies interval value */ |
| |
| -- |
| 1.7.1.1 |
| |
