This is a note to let you know that I've just added the patch titled
RDMA/mana_ib: Fix bug in creation of dma regions
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rdma-mana_ib-fix-bug-in-creation-of-dma-regions.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 6c510b2a68289d2c0e67afdef4267cb628c887ca
Author: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
Date: Mon Mar 4 05:52:40 2024 -0800
RDMA/mana_ib: Fix bug in creation of dma regions
[ Upstream commit e02497fb654689049ba8b46f098f17d5f19e0b3c ]
Use ib_umem_dma_offset() helper to calculate correct dma offset.
Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Konstantin Taranov <kotaranov@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/1709560361-26393-2-git-send-email-kotaranov@xxxxxxxxxxxxxxxxxxx
Signed-off-by: Leon Romanovsky <leon@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c
index 7be4c3adb4e2b..ab91009aea883 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -358,7 +358,7 @@ int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem *umem,
sizeof(struct gdma_create_dma_region_resp));
create_req->length = umem->length;
- create_req->offset_in_page = umem->address & (page_sz - 1);
+ 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->page_count = num_pages_total;
