[PATCH net] RDMA/mana_ib: fix a bug in calculating the wrong page table index when 64kb page table is used

From: longli
Date: Wed Aug 28 2024 - 16:06:23 EST


From: Long Li <longli@xxxxxxxxxxxxx>

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>
---
drivers/infiniband/hw/mana/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index d13abc954d2a..f68f54aea820 100644
--- 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(struct mana_ib_dev *dev, struct ib_umem

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",
--
2.17.1