diff options
| author | Tadeusz Struk <tadeusz.struk@intel.com> | 2014-10-14 01:24:32 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2014-10-24 14:37:36 (GMT) |
| commit | 09adc8789c4e895d7548fa9eb5d24ad9a5d91c5d (patch) | |
| tree | 72f0f07c598e7bca051bac2ca71ea7de136c5ade /drivers/crypto/qat/qat_common/qat_crypto.c | |
| parent | 923a6e5e5f171317ac8bb462ac4b814fa7880d3c (diff) | |
| download | linux-09adc8789c4e895d7548fa9eb5d24ad9a5d91c5d.tar.xz | |
crypto: qat - Enforce valid numa configuration
In a system with NUMA configuration we want to enforce that the accelerator is
connected to a node with memory to avoid cross QPI memory transaction.
Otherwise there is no point in using the accelerator as the encryption in
software will be faster.
Cc: stable@vger.kernel.org
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Tested-by: Nikolay Aleksandrov <nikolay@redhat.com>
Reviewed-by: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_crypto.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/qat_crypto.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c index 0d59bcb..828f2a6 100644 --- a/drivers/crypto/qat/qat_common/qat_crypto.c +++ b/drivers/crypto/qat/qat_common/qat_crypto.c @@ -109,12 +109,14 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node) list_for_each(itr, adf_devmgr_get_head()) { accel_dev = list_entry(itr, struct adf_accel_dev, list); - if (accel_dev->numa_node == node && adf_dev_started(accel_dev)) + if ((node == dev_to_node(&GET_DEV(accel_dev)) || + dev_to_node(&GET_DEV(accel_dev)) < 0) + && adf_dev_started(accel_dev)) break; accel_dev = NULL; } if (!accel_dev) { - pr_err("QAT: Could not find device on give node\n"); + pr_err("QAT: Could not find device on node %d\n", node); accel_dev = adf_devmgr_get_first(); } if (!accel_dev || !adf_dev_started(accel_dev)) @@ -164,7 +166,7 @@ static int qat_crypto_create_instances(struct adf_accel_dev *accel_dev) for (i = 0; i < num_inst; i++) { inst = kzalloc_node(sizeof(*inst), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!inst) goto err; |