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Don't wakeup the crypto_ret_proc thread if it is running already.

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Before the change if the thread was working on symmetric operation, we
would send unnecessary wakeup after adding asymmetric operation (when
asym queue was empty) and vice versa.
This commit is contained in:
Pawel Jakub Dawidek 2006-05-22 09:58:34 +00:00
parent 04d8f36a4f
commit 9c12ca29d6
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=158826
1 changed files with 3 additions and 2 deletions
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5
sys/opencrypto/crypto.c
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@ -79,6 +79,7 @@ static TAILQ_HEAD(,cryptkop) crp_ret_kq;
static struct mtx crypto_ret_q_mtx;
#define CRYPTO_RETQ_LOCK() mtx_lock(&crypto_ret_q_mtx)
#define CRYPTO_RETQ_UNLOCK() mtx_unlock(&crypto_ret_q_mtx)
#define CRYPTO_RETQ_EMPTY() (TAILQ_EMPTY(&crp_ret_q) && TAILQ_EMPTY(&crp_ret_kq))
static uma_zone_t cryptop_zone;
static uma_zone_t cryptodesc_zone;
@ -953,7 +954,7 @@ crypto_done(struct cryptop *crp)
* Normal case; queue the callback for the thread.
*/
CRYPTO_RETQ_LOCK();
if (TAILQ_EMPTY(&crp_ret_q))
if (CRYPTO_RETQ_EMPTY())
wakeup_one(&crp_ret_q); /* shared wait channel */
TAILQ_INSERT_TAIL(&crp_ret_q, crp, crp_next);
CRYPTO_RETQ_UNLOCK();
@ -981,7 +982,7 @@ crypto_kdone(struct cryptkop *krp)
}
CRYPTO_DRIVER_UNLOCK();
CRYPTO_RETQ_LOCK();
if (TAILQ_EMPTY(&crp_ret_kq))
if (CRYPTO_RETQ_EMPTY())
wakeup_one(&crp_ret_q); /* shared wait channel */
TAILQ_INSERT_TAIL(&crp_ret_kq, krp, krp_next);
CRYPTO_RETQ_UNLOCK();