| From: Ingo Molnar <mingo@elte.hu> |
| Date: Fri, 3 Jul 2009 08:29:30 -0500 |
| Subject: drivers: random: Reduce preempt disabled region |
| |
| No need to keep preemption disabled across the whole function. |
| |
| Signed-off-by: Ingo Molnar <mingo@elte.hu> |
| Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
| |
| --- |
| drivers/char/random.c | 3 --- |
| 1 file changed, 3 deletions(-) |
| |
| --- a/drivers/char/random.c |
| +++ b/drivers/char/random.c |
| @@ -799,8 +799,6 @@ static void add_timer_randomness(struct |
| } sample; |
| long delta, delta2, delta3; |
| |
| - preempt_disable(); |
| - |
| sample.jiffies = jiffies; |
| sample.cycles = random_get_entropy(); |
| sample.num = num; |
| @@ -841,7 +839,6 @@ static void add_timer_randomness(struct |
| */ |
| credit_entropy_bits(r, min_t(int, fls(delta>>1), 11)); |
| } |
| - preempt_enable(); |
| } |
| |
| void add_input_randomness(unsigned int type, unsigned int code, |
