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This commit is contained in:
Gaurav Juvekar
2024-08-19 10:46:21 -07:00
parent 315fd96d2d
commit ed4be64962
25 changed files with 156 additions and 51 deletions
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6
kernel-open/nvidia-uvm/uvm_common.h
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@@ -1,5 +1,5 @@
/*******************************************************************************
Copyright (c) 2013-2023 NVIDIA Corporation
Copyright (c) 2013-2024 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
@@ -423,7 +423,9 @@ static void uvm_get_unaddressable_range(NvU32 num_va_bits, NvU64 *first, NvU64 *
UVM_ASSERT(first);
UVM_ASSERT(outer);
if (uvm_platform_uses_canonical_form_address()) {
// Maxwell GPUs (num_va_bits == 40b) do not support canonical form address
// even when plugged into platforms using it.
if (uvm_platform_uses_canonical_form_address() && num_va_bits > 40) {
*first = 1ULL << (num_va_bits - 1);
*outer = (NvU64)((NvS64)(1ULL << 63) >> (64 - num_va_bits));
}