summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorShay Agroskin <shayagr@amazon.com>2024-05-28 20:09:12 +0300
committerJakub Kicinski <kuba@kernel.org>2024-05-29 19:01:34 -0700
commit2dc8b1e7177d4f49f492ce648440caf2de0c3616 (patch)
tree8520cf2bc0f4f9c56941d5504d60d52a7eb944b5
parent602d9591a75eeb571dcc076ac4e4cedebfff03c1 (diff)
downloadlinux-stable-2dc8b1e7177d4f49f492ce648440caf2de0c3616.tar.gz
linux-stable-2dc8b1e7177d4f49f492ce648440caf2de0c3616.tar.bz2
linux-stable-2dc8b1e7177d4f49f492ce648440caf2de0c3616.zip
net: ena: Fix redundant device NUMA node override
The driver overrides the NUMA node id of the device regardless of whether it knows its correct value (often setting it to -1 even though the node id is advertised in 'struct device'). This can lead to suboptimal configurations. This patch fixes this behavior and makes the shared memory allocation functions use the NUMA node id advertised by the underlying device. Fixes: 1738cd3ed342 ("net: ena: Add a driver for Amazon Elastic Network Adapters (ENA)") Signed-off-by: Shay Agroskin <shayagr@amazon.com> Link: https://lore.kernel.org/r/20240528170912.1204417-1-shayagr@amazon.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-rw-r--r--drivers/net/ethernet/amazon/ena/ena_com.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/drivers/net/ethernet/amazon/ena/ena_com.c b/drivers/net/ethernet/amazon/ena/ena_com.c
index 2d8a66ea82fa..713a595370bf 100644
--- a/drivers/net/ethernet/amazon/ena/ena_com.c
+++ b/drivers/net/ethernet/amazon/ena/ena_com.c
@@ -312,7 +312,6 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
struct ena_com_io_sq *io_sq)
{
size_t size;
- int dev_node = 0;
memset(&io_sq->desc_addr, 0x0, sizeof(io_sq->desc_addr));
@@ -325,12 +324,9 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
size = io_sq->desc_entry_size * io_sq->q_depth;
if (io_sq->mem_queue_type == ENA_ADMIN_PLACEMENT_POLICY_HOST) {
- dev_node = dev_to_node(ena_dev->dmadev);
- set_dev_node(ena_dev->dmadev, ctx->numa_node);
io_sq->desc_addr.virt_addr =
dma_alloc_coherent(ena_dev->dmadev, size, &io_sq->desc_addr.phys_addr,
GFP_KERNEL);
- set_dev_node(ena_dev->dmadev, dev_node);
if (!io_sq->desc_addr.virt_addr) {
io_sq->desc_addr.virt_addr =
dma_alloc_coherent(ena_dev->dmadev, size,
@@ -354,10 +350,7 @@ static int ena_com_init_io_sq(struct ena_com_dev *ena_dev,
size = (size_t)io_sq->bounce_buf_ctrl.buffer_size *
io_sq->bounce_buf_ctrl.buffers_num;
- dev_node = dev_to_node(ena_dev->dmadev);
- set_dev_node(ena_dev->dmadev, ctx->numa_node);
io_sq->bounce_buf_ctrl.base_buffer = devm_kzalloc(ena_dev->dmadev, size, GFP_KERNEL);
- set_dev_node(ena_dev->dmadev, dev_node);
if (!io_sq->bounce_buf_ctrl.base_buffer)
io_sq->bounce_buf_ctrl.base_buffer =
devm_kzalloc(ena_dev->dmadev, size, GFP_KERNEL);
@@ -397,7 +390,6 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev,
struct ena_com_io_cq *io_cq)
{
size_t size;
- int prev_node = 0;
memset(&io_cq->cdesc_addr, 0x0, sizeof(io_cq->cdesc_addr));
@@ -409,11 +401,8 @@ static int ena_com_init_io_cq(struct ena_com_dev *ena_dev,
size = io_cq->cdesc_entry_size_in_bytes * io_cq->q_depth;
- prev_node = dev_to_node(ena_dev->dmadev);
- set_dev_node(ena_dev->dmadev, ctx->numa_node);
io_cq->cdesc_addr.virt_addr =
dma_alloc_coherent(ena_dev->dmadev, size, &io_cq->cdesc_addr.phys_addr, GFP_KERNEL);
- set_dev_node(ena_dev->dmadev, prev_node);
if (!io_cq->cdesc_addr.virt_addr) {
io_cq->cdesc_addr.virt_addr =
dma_alloc_coherent(ena_dev->dmadev, size, &io_cq->cdesc_addr.phys_addr,