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>
diff --git a/drivers/crypto/qat/qat_common/qat_algs.c b/drivers/crypto/qat/qat_common/qat_algs.c
index 699ccf4..9e9619c 100644
--- a/drivers/crypto/qat/qat_common/qat_algs.c
+++ b/drivers/crypto/qat/qat_common/qat_algs.c
@@ -596,7 +596,8 @@
if (unlikely(!n))
return -EINVAL;
- bufl = kmalloc_node(sz, GFP_ATOMIC, inst->accel_dev->numa_node);
+ bufl = kmalloc_node(sz, GFP_ATOMIC,
+ dev_to_node(&GET_DEV(inst->accel_dev)));
if (unlikely(!bufl))
return -ENOMEM;
@@ -642,7 +643,7 @@
struct qat_alg_buf *bufers;
buflout = kmalloc_node(sz, GFP_ATOMIC,
- inst->accel_dev->numa_node);
+ dev_to_node(&GET_DEV(inst->accel_dev)));
if (unlikely(!buflout))
goto err;
bloutp = dma_map_single(dev, buflout, sz, DMA_TO_DEVICE);