From: Ingo Molnar <[email protected]> No need to keep preemption disabled across the whole function.
Cc: "Theodore Ts'o" <[email protected]> Signed-off-by: Ingo Molnar <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Signed-off-by: Sebastian Andrzej Siewior <[email protected]> --- drivers/char/random.c | 4 ---- 1 file changed, 4 deletions(-) --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -1122,8 +1122,6 @@ static void add_timer_randomness(struct } sample; long delta, delta2, delta3; - preempt_disable(); - sample.jiffies = jiffies; sample.cycles = random_get_entropy(); sample.num = num; @@ -1161,8 +1159,6 @@ static void add_timer_randomness(struct * and limit entropy entimate to 12 bits. */ credit_entropy_bits(r, min_t(int, fls(delta>>1), 11)); - - preempt_enable(); } void add_input_randomness(unsigned int type, unsigned int code,
