NVIDIA/open-gpu-kernel-modules
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russellcnv
2024-05-31 14:11:30 -07:00
parent d1f6b40399
commit 3750358633
103 changed files with 60736 additions and 56138 deletions
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6
kernel-open/nvidia-uvm/uvm_channel_test.c
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@@ -340,9 +340,9 @@ static NV_STATUS uvm_test_iommu_rc_for_gpu(uvm_gpu_t *gpu)
if (!domain || !iommu_is_dma_domain(domain))
return NV_OK;
// Only run if ATS is enabled. Otherwise the CE doesn't get response on
// writing to unmapped location.
if (!g_uvm_global.ats.enabled)
// Only run if ATS is enabled with 64kB base page.
// Otherwise the CE doesn't get response on writing to unmapped location.
if (!g_uvm_global.ats.enabled || PAGE_SIZE != UVM_PAGE_SIZE_64K)
return NV_OK;
status = uvm_mem_alloc_sysmem_and_map_cpu_kernel(data_size, NULL, &sysmem);

17
kernel-open/nvidia-uvm/uvm_va_space.c
View File

@@ -527,6 +527,15 @@ void uvm_va_space_destroy(uvm_va_space_t *va_space)
nv_kthread_q_flush(&g_uvm_global.global_q);
for_each_gpu_in_mask(gpu, retained_gpus) {
// Free the processor masks allocated in uvm_va_space_register_gpu().
// The mask is also freed in uvm_va_space_unregister_gpu() but that
// function won't be called in uvm_release() and uvm_release_deferred()
// path.
uvm_processor_mask_cache_free(va_space->peers_to_release[uvm_id_value(gpu->id)]);
// Set the pointer to NULL to avoid accidental re-use and double free.
va_space->peers_to_release[uvm_id_value(gpu->id)] = NULL;
if (!gpu->parent->isr.replayable_faults.handling) {
UVM_ASSERT(!gpu->parent->isr.non_replayable_faults.handling);
continue;
@@ -543,14 +552,6 @@ void uvm_va_space_destroy(uvm_va_space_t *va_space)
if (gpu->parent->access_counters_supported)
uvm_parent_gpu_access_counters_disable(gpu->parent, va_space);
// Free the processor masks allocated in uvm_va_space_register_gpu().
// The mask is also freed in uvm_va_space_unregister_gpu() but that
// function won't be called in uvm_release() and uvm_release_deferred()
// path.
uvm_processor_mask_cache_free(va_space->peers_to_release[uvm_id_value(gpu->id)]);
// Set the pointer to NULL to avoid accidental re-use and double free.
va_space->peers_to_release[uvm_id_value(gpu->id)] = NULL;
}
// Check that all CPU/GPU affinity masks are empty