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author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-16 18:21:36 -0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-16 18:21:36 -0800 |
commit | 98c4514ff6e3072288770db66f91bdb15af8b433 (patch) | |
tree | eb5f2541e70d27144720e1735b463471025908f0 /crypto/cryptd.c | |
parent | 644a9d3b66e6983c2c1f3b24c3006d49b184c871 (diff) | |
parent | f4a75d2eb7b1e2206094b901be09adb31ba63681 (diff) |
Merge 3.7-rc6 into char-misc-next
Diffstat (limited to 'crypto/cryptd.c')
-rw-r--r-- | crypto/cryptd.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/crypto/cryptd.c b/crypto/cryptd.c index 671d4d6d14df..7bdd61b867c8 100644 --- a/crypto/cryptd.c +++ b/crypto/cryptd.c @@ -137,13 +137,18 @@ static void cryptd_queue_worker(struct work_struct *work) struct crypto_async_request *req, *backlog; cpu_queue = container_of(work, struct cryptd_cpu_queue, work); - /* Only handle one request at a time to avoid hogging crypto - * workqueue. preempt_disable/enable is used to prevent - * being preempted by cryptd_enqueue_request() */ + /* + * Only handle one request at a time to avoid hogging crypto workqueue. + * preempt_disable/enable is used to prevent being preempted by + * cryptd_enqueue_request(). local_bh_disable/enable is used to prevent + * cryptd_enqueue_request() being accessed from software interrupts. + */ + local_bh_disable(); preempt_disable(); backlog = crypto_get_backlog(&cpu_queue->queue); req = crypto_dequeue_request(&cpu_queue->queue); preempt_enable(); + local_bh_enable(); if (!req) return; |