mutex_lock(&ctx->mmu_lock);
- for (i = 0 ; i < phys_pg_pack->npages ; i++, next_vaddr += page_size)
+ for (i = 0 ; i < phys_pg_pack->npages ; i++, next_vaddr += page_size) {
if (hl_mmu_unmap(ctx, next_vaddr, page_size))
dev_warn_ratelimited(hdev->dev,
- "unmap failed for vaddr: 0x%llx\n", next_vaddr);
+ "unmap failed for vaddr: 0x%llx\n", next_vaddr);
+
+ /* unmapping on Palladium can be really long, so avoid a CPU
+ * soft lockup bug by sleeping a little between unmapping pages
+ */
+ if (hdev->pldm)
+ usleep_range(500, 1000);
+ }
hdev->asic_funcs->mmu_invalidate_cache(hdev, true);