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authorPeter Zijlstra <peterz@infradead.org>2019-08-01 13:13:51 +0200
committerHerbert Xu <herbert@gondor.apana.org.au>2019-08-09 15:11:52 +1000
commitd13dfae3cedd60072d448b7e382c86143a29cedc (patch)
tree14e3a5ed4d13d857e7f2fe2f28466a00c5289384 /crypto
parentcrypto: caam - change return value in case CAAM has no MDHA (diff)
downloadlinux-dev-d13dfae3cedd60072d448b7e382c86143a29cedc.tar.xz
linux-dev-d13dfae3cedd60072d448b7e382c86143a29cedc.zip
crypto: engine - Reduce default RT priority
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>
Diffstat (limited to 'crypto')
-rw-r--r--crypto/crypto_engine.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c
index d7502ec37f20..055d17977280 100644
--- a/crypto/crypto_engine.c
+++ b/crypto/crypto_engine.c
@@ -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)