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RDMA/mana_ib: Allocate PAGE aligned doorbell index

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[ 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: 0266a17763 ("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>
This commit is contained in:
Konstantin Taranov
2025-02-05 02:30:05 -08:00
committed by Greg Kroah-Hartman
parent 0bd34bdd46
commit c3a6c1e7b8
1 changed files with 1 additions and 1 deletions
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drivers/infiniband/hw/mana/main.c
+1 -1
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@@ -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;