6.6-stable review patch. If anyone has any objections, please let me know.
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From: Mike Marciniszyn mike.marciniszyn@intel.com
[ Upstream commit 03769f72d66edab82484449ed594cb6b00ae0223 ]
Virtual QP and CQ require a 4K HW page size but the driver passes PAGE_SIZE to ib_umem_find_best_pgsz() instead.
Fix this by using the appropriate 4k value in the bitmap passed to ib_umem_find_best_pgsz().
Fixes: 693a5386eff0 ("RDMA/irdma: Split mr alloc and free into new functions") Link: https://lore.kernel.org/r/20231129202143.1434-4-shiraz.saleem@intel.com Signed-off-by: Mike Marciniszyn mike.marciniszyn@intel.com Signed-off-by: Shiraz Saleem shiraz.saleem@intel.com Signed-off-by: Jason Gunthorpe jgg@nvidia.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/infiniband/hw/irdma/verbs.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/irdma/verbs.c b/drivers/infiniband/hw/irdma/verbs.c index c7cb328b90f9d..2f1bedd3a5201 100644 --- a/drivers/infiniband/hw/irdma/verbs.c +++ b/drivers/infiniband/hw/irdma/verbs.c @@ -2903,7 +2903,7 @@ static struct irdma_mr *irdma_alloc_iwmr(struct ib_umem *region, iwmr->type = reg_type;
pgsz_bitmap = (reg_type == IRDMA_MEMREG_TYPE_MEM) ? - iwdev->rf->sc_dev.hw_attrs.page_size_cap : PAGE_SIZE; + iwdev->rf->sc_dev.hw_attrs.page_size_cap : SZ_4K;
iwmr->page_size = ib_umem_find_best_pgsz(region, pgsz_bitmap, virt); if (unlikely(!iwmr->page_size)) {