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Merge pull request #10153 from FernandoS27/a-quickie-fixie

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Memory manager: Fix possible softlock
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Fernando S 2023-05-04 03:56:53 +02:00 committed by GitHub
commit 2506594c50
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1 changed files with 5 additions and 4 deletions
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9
src/video_core/memory_manager.cpp
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@ -82,6 +82,7 @@ void MemoryManager::SetEntry(size_t position, MemoryManager::EntryType entry) {
}
PTEKind MemoryManager::GetPageKind(GPUVAddr gpu_addr) const {
std::unique_lock<std::mutex> lock(guard);
return kind_map.GetValueAt(gpu_addr);
}
@ -160,7 +161,10 @@ GPUVAddr MemoryManager::BigPageTableOp(GPUVAddr gpu_addr, [[maybe_unused]] VAddr
}
remaining_size -= big_page_size;
}
kind_map.Map(gpu_addr, gpu_addr + size, kind);
{
std::unique_lock<std::mutex> lock(guard);
kind_map.Map(gpu_addr, gpu_addr + size, kind);
}
return gpu_addr;
}
@ -170,7 +174,6 @@ void MemoryManager::BindRasterizer(VideoCore::RasterizerInterface* rasterizer_)
GPUVAddr MemoryManager::Map(GPUVAddr gpu_addr, VAddr cpu_addr, std::size_t size, PTEKind kind,
bool is_big_pages) {
std::unique_lock<std::mutex> lock(guard);
if (is_big_pages) [[likely]] {
return BigPageTableOp<EntryType::Mapped>(gpu_addr, cpu_addr, size, kind);
}
@ -178,7 +181,6 @@ GPUVAddr MemoryManager::Map(GPUVAddr gpu_addr, VAddr cpu_addr, std::size_t size,
}
GPUVAddr MemoryManager::MapSparse(GPUVAddr gpu_addr, std::size_t size, bool is_big_pages) {
std::unique_lock<std::mutex> lock(guard);
if (is_big_pages) [[likely]] {
return BigPageTableOp<EntryType::Reserved>(gpu_addr, 0, size, PTEKind::INVALID);
}
@ -189,7 +191,6 @@ void MemoryManager::Unmap(GPUVAddr gpu_addr, std::size_t size) {
if (size == 0) {
return;
}
std::unique_lock<std::mutex> lock(guard);
GetSubmappedRangeImpl<false>(gpu_addr, size, page_stash);
for (const auto& [map_addr, map_size] : page_stash) {