crypto: qat - drop log level of msg in get_instance_node()

The functions qat_crypto_get_instance_node() and
qat_compression_get_instance_node() allow to get a QAT instance (ring
pair) on a device close to the node specified as input parameter.
When this is not possible, and a QAT device is available in the system,
these function return an instance on a remote node and they print a
message reporting that it is not possible to find a device on the specified
node. This is interpreted by people as an error rather than an info.

The print "Could not find a device on node" indicates that a kernel
application is running on a core in a socket that does not have a QAT
device directly attached to it and performance might suffer.

Due to the nature of the message, this can be considered as a debug
message, therefore drop the severity to debug and report it only once
to avoid flooding.

Suggested-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Reviewed-by: Fiona Trahe <fiona.trahe@intel.com>
Reviewed-by: Vladis Dronov <vdronov@redhat.com>
Tested-by: Vladis Dronov <vdronov@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/qat/qat_common/qat_compression.c b/drivers/crypto/qat/qat_common/qat_compression.c
index 9fd10f4242f8468460b1bc31f5336362a72b395b..3f1f35283266ef10c94928f3755e890fae6cc96e 100644 (file)
--- a/drivers/crypto/qat/qat_common/qat_compression.c
+++ b/drivers/crypto/qat/qat_common/qat_compression.c
@@ -72,7 +72,7 @@ struct qat_compression_instance *qat_compression_get_instance_node(int node)
        }
 
        if (!accel_dev) {
-               pr_info("QAT: Could not find a device on node %d\n", node);
+               pr_debug_ratelimited("QAT: Could not find a device on node %d\n", node);
                /* Get any started device */
                list_for_each(itr, adf_devmgr_get_head()) {
                        struct adf_accel_dev *tmp_dev;

diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c
index e31199eade5b6f97587e59d99f0b2debd664b9fd..40c8e74d1cf9ed0d1dfaf98d0375a34c002ee980 100644 (file)
--- a/drivers/crypto/qat/qat_common/qat_crypto.c
+++ b/drivers/crypto/qat/qat_common/qat_crypto.c
@@ -70,7 +70,7 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node)
        }
 
        if (!accel_dev) {
-               pr_info("QAT: Could not find a device on node %d\n", node);
+               pr_debug_ratelimited("QAT: Could not find a device on node %d\n", node);
                /* Get any started device */
                list_for_each_entry(tmp_dev, adf_devmgr_get_head(), list) {
                        if (adf_dev_started(tmp_dev) &&