diff options
| author | Konstantin Taranov <kotaranov@microsoft.com> | 2025-02-05 02:30:05 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-03-07 18:25:25 +0100 |
| commit | c3a6c1e7b80e938be7a142a1c6b64932b2eb70d4 (patch) | |
| tree | 8670e1f357f03d8be5f261962b10114fb9228289 | |
| parent | 0bd34bdd468e93a779c403de3cf7d43ee633b3e0 (diff) | |
RDMA/mana_ib: Allocate PAGE aligned doorbell index
[ Upstream commit 29b7bb98234cc287cebef9bccf638c2e3f39be71 ]
Allocate a PAGE aligned doorbell index to ensure each process gets a
separate PAGE sized doorbell area space remapped to it in mana_ib_mmap
Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter")
Signed-off-by: Shiraz Saleem <shirazsaleem@microsoft.com>
Signed-off-by: Konstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1738751405-15041-1-git-send-email-kotaranov@linux.microsoft.com
Reviewed-by: Long Li <longli@microsoft.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/infiniband/hw/mana/main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index 67c2d43135a8..457cea6d9909 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -174,7 +174,7 @@ static int mana_gd_allocate_doorbell_page(struct gdma_context *gc, req.resource_type = GDMA_RESOURCE_DOORBELL_PAGE; req.num_resources = 1; - req.alignment = 1; + req.alignment = PAGE_SIZE / MANA_PAGE_SIZE; /* Have GDMA start searching from 0 */ req.allocated_resources = 0; |