From: Long Li <longli@xxxxxxxxxxxxx>
commit 9e517a8e9d9a303bf9bde35e5c5374795544c152 upstream.
MANA hardware uses 4k page size. When calculating the page table index,
it should use the hardware page size, not the system page size.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Long Li <longli@xxxxxxxxxxxxx>
Link: https://patch.msgid.link/1725030993-16213-1-git-send-email-longli@xxxxxxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/infiniband/hw/mana/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -383,7 +383,7 @@ static int mana_ib_gd_create_dma_region(
create_req->length = umem->length;
create_req->offset_in_page = ib_umem_dma_offset(umem, page_sz);
- create_req->gdma_page_type = order_base_2(page_sz) - PAGE_SHIFT;
+ create_req->gdma_page_type = order_base_2(page_sz) - MANA_PAGE_SHIFT;
create_req->page_count = num_pages_total;
ibdev_dbg(&dev->ib_dev, "size_dma_region %lu num_pages_total %lu\n",
Patches currently in stable-queue which might be from longli@xxxxxxxxxxxxx are
queue-6.11/rdma-mana_ib-use-the-correct-page-size-for-mapping-user-mode-doorbell-page.patch
queue-6.11/rdma-mana_ib-use-the-correct-page-table-index-based-on-hardware-page-size.patch
