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author | GPUCode <geoster3d@gmail.com> | 2023-11-23 15:55:56 +0100 |
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committer | t895 <clombardo169@gmail.com> | 2023-11-25 06:47:43 +0100 |
commit | 5a9ffa81a6452f9f0af6f5b288f302cbaf0475b2 (patch) | |
tree | 2dd459df7b2687871fa9d86df2bb63408505c949 /src/common/host_memory.cpp | |
parent | Address more review comments (diff) | |
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Diffstat (limited to 'src/common/host_memory.cpp')
-rw-r--r-- | src/common/host_memory.cpp | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/src/common/host_memory.cpp b/src/common/host_memory.cpp index f14077750..4cbc22b85 100644 --- a/src/common/host_memory.cpp +++ b/src/common/host_memory.cpp @@ -363,21 +363,12 @@ private: #ifdef ARCHITECTURE_arm64 -static uint64_t GetRandomU64() { - uint64_t ret; - ASSERT(getrandom(&ret, sizeof(ret), 0) == 0); - return ret; -} - static void* ChooseVirtualBase(size_t virtual_size) { constexpr uintptr_t Map39BitSize = (1ULL << 39); constexpr uintptr_t Map36BitSize = (1ULL << 36); - // Seed the MT with some initial strong randomness. - // - // This is not a cryptographic application, we just want something more - // random than the current time. - std::mt19937_64 rng(GetRandomU64()); + // This is not a cryptographic application, we just want something random. + std::mt19937_64 rng; // We want to ensure we are allocating at an address aligned to the L2 block size. // For Qualcomm devices, we must also allocate memory above 36 bits. |