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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>
This commit is contained in:
Giovanni Cabiddu 2023-02-01 17:04:41 +00:00 committed by Herbert Xu
parent f6044cc303
commit 0ceb587dbb
2 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/crypto/qat/qat_common/qat_compression.c
View File

@ -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;

2
drivers/crypto/qat/qat_common/qat_crypto.c
View File

@ -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) &&