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This commit is contained in:
Bernhard Stoeckner
2025-04-17 19:35:38 +02:00
parent e8113f665d
commit 4159579888
1142 changed files with 309085 additions and 272273 deletions
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15
kernel-open/nvidia-uvm/uvm_policy.c
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@@ -364,7 +364,14 @@ NV_STATUS uvm_api_set_preferred_location(const UVM_SET_PREFERRED_LOCATION_PARAMS
if (status != NV_OK)
goto done;
preferred_location_id = gpu->id;
// Setting an integrated GPU as the preferred location is equivalant to
// the preferred location being the iGPU's nearest NUMA node.
if (gpu->parent->is_integrated_gpu) {
preferred_location_id = UVM_ID_CPU;
preferred_cpu_nid = gpu->parent->closest_cpu_numa_node;
} else {
preferred_location_id = gpu->id;
}
}
UVM_ASSERT(status == NV_OK);
@@ -861,6 +868,12 @@ static NV_STATUS read_duplication_set(uvm_va_space_t *va_space, NvU64 base, NvU6
goto done;
}
// An integrated GPU has no vidmem to make a duplicate
if (uvm_va_space_has_integrated_gpu(va_space)) {
status = NV_OK;
goto done;
}
// Note that we never set the policy back to UNSET
new_policy = enable ? UVM_READ_DUPLICATION_ENABLED : UVM_READ_DUPLICATION_DISABLED;