NVIDIA/open-gpu-kernel-modules
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This commit is contained in:
Andy Ritger
2023-10-17 09:25:29 -07:00
parent f59818b751
commit b5bf85a8e3
917 changed files with 132480 additions and 110015 deletions
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9
kernel-open/nvidia-uvm/uvm_mem.c
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2016-2023 NVIDIA Corporation
Copyright (c) 2016-2022 NVIDIA Corporation
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to
@@ -93,9 +93,8 @@ static bool sysmem_can_be_mapped_on_gpu(uvm_mem_t *sysmem)
{
UVM_ASSERT(uvm_mem_is_sysmem(sysmem));
// In Confidential Computing, only unprotected memory can be mapped on the
// GPU
if (g_uvm_global.conf_computing_enabled)
// If SEV is enabled, only unprotected memory can be mapped
if (g_uvm_global.sev_enabled)
return uvm_mem_is_sysmem_dma(sysmem);
return true;
@@ -738,7 +737,7 @@ static NV_STATUS mem_map_cpu_to_sysmem_kernel(uvm_mem_t *mem)
pages[page_index] = mem_cpu_page(mem, page_index * PAGE_SIZE);
}
if (g_uvm_global.conf_computing_enabled && uvm_mem_is_sysmem_dma(mem))
if (g_uvm_global.sev_enabled && uvm_mem_is_sysmem_dma(mem))
prot = uvm_pgprot_decrypted(PAGE_KERNEL_NOENC);
mem->kernel.cpu_addr = vmap(pages, num_pages, VM_MAP, prot);