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crypto: engine - Reduce default RT priority

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The crypto engine initializes its kworker thread to FIFO-99 (when
requesting RT priority), reduce this to FIFO-50.

FIFO-99 is the very highest priority available to SCHED_FIFO and
it not a suitable default; it would indicate the crypto work is the
most important work on the machine.

Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-crypto@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Peter Zijlstra 2019-08-01 13:13:51 +02:00 committed by Herbert Xu
parent 0435d47e26
commit d13dfae3ce
1 changed files with 1 additions and 1 deletions
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2
crypto/crypto_engine.c
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@ -425,7 +425,7 @@ EXPORT_SYMBOL_GPL(crypto_engine_stop);
*/
struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt)
{
struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
struct sched_param param = { .sched_priority = MAX_RT_PRIO / 2 };
struct crypto_engine *engine;
if (!dev)