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/adf_transport.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/adf_transport.c')
| -rw-r--r-- | drivers/crypto/qat/qat_common/adf_transport.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c index 5f3fa45..9dd2cb7 100644 --- a/drivers/crypto/qat/qat_common/adf_transport.c +++ b/drivers/crypto/qat/qat_common/adf_transport.c @@ -419,9 +419,10 @@ static int adf_init_bank(struct adf_accel_dev *accel_dev, WRITE_CSR_RING_BASE(csr_addr, bank_num, i, 0); ring = &bank->rings[i]; if (hw_data->tx_rings_mask & (1 << i)) { - ring->inflights = kzalloc_node(sizeof(atomic_t), - GFP_KERNEL, - accel_dev->numa_node); + ring->inflights = + kzalloc_node(sizeof(atomic_t), + GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!ring->inflights) goto err; } else { @@ -469,13 +470,14 @@ int adf_init_etr_data(struct adf_accel_dev *accel_dev) int i, ret; etr_data = kzalloc_node(sizeof(*etr_data), GFP_KERNEL, - accel_dev->numa_node); + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data) return -ENOMEM; num_banks = GET_MAX_BANKS(accel_dev); size = num_banks * sizeof(struct adf_etr_bank_data); - etr_data->banks = kzalloc_node(size, GFP_KERNEL, accel_dev->numa_node); + etr_data->banks = kzalloc_node(size, GFP_KERNEL, + dev_to_node(&GET_DEV(accel_dev))); if (!etr_data->banks) { ret = -ENOMEM; goto err_bank; |