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RDMA/efa: Remove possible negative shift

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The page size used for device might in some cases be smaller than
PAGE_SIZE what results in a negative shift when calculating the number of
host pages in PAGE_SIZE for a debug log. Remove the debug line together
with the calculation.

Fixes: 40909f664d ("RDMA/efa: Add EFA verbs implementation")
Link: https://patch.msgid.link/r/20251210173656.8180-1-mrgolin@amazon.com
Reviewed-by: Tom Sela <tomsela@amazon.com>
Reviewed-by: Yonatan Nachum <ynachum@amazon.com>
Signed-off-by: Michael Margolin <mrgolin@amazon.com>
Reviewed-by: Gal Pressman <gal.pressman@linux.dev>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Michael Margolin 2025-12-10 17:36:56 +00:00 committed by Jason Gunthorpe
parent c1776ccba6
commit 85463eb6a4
1 changed files with 0 additions and 4 deletions
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4
drivers/infiniband/hw/efa/efa_verbs.c
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@ -1320,13 +1320,9 @@ static int umem_to_page_list(struct efa_dev *dev,
u32 hp_cnt,
u8 hp_shift)
{
u32 pages_in_hp = BIT(hp_shift - PAGE_SHIFT);
struct ib_block_iter biter;
unsigned int hp_idx = 0;
ibdev_dbg(&dev->ibdev, "hp_cnt[%u], pages_in_hp[%u]\n",
hp_cnt, pages_in_hp);
rdma_umem_for_each_dma_block(umem, &biter, BIT(hp_shift))
page_list[hp_idx++] = rdma_block_iter_dma_address(&biter);