Commit 6bcb2d05 authored by Dani Liberman's avatar Dani Liberman Committed by Oded Gabbay
Browse files

habanalabs: fix user mappings calculation in case of page fault 



As there are 2 types of user mappings, pmmu and hmmu, calculate
only the relevant mappings for the requested type.

Signed-off-by: default avatarDani Liberman <dliberman@habana.ai>
Reviewed-by: default avatarOded Gabbay <ogabbay@kernel.org>
Signed-off-by: default avatarOded Gabbay <ogabbay@kernel.org>
parent 5ad06bb1

drivers/misc/habanalabs/common/device.c

+7 −2
Original line number Diff line number Diff line
@@ -2305,9 +2305,14 @@ static void hl_capture_user_mappings(struct hl_device *hdev, bool is_pmmu) 
	}



	mutex_lock(&ctx->mem_hash_lock);

	hash_for_each(ctx->mem_hash, i, hnode, node)

	hash_for_each(ctx->mem_hash, i, hnode, node) {

		vm_type = hnode->ptr;

		if (((*vm_type == VM_TYPE_USERPTR) && is_pmmu) ||

				((*vm_type == VM_TYPE_PHYS_PACK) && !is_pmmu))

			pgf_info->num_of_user_mappings++;



	}



	if (!pgf_info->num_of_user_mappings)

		goto finish;