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Memory: don't lock hle mutex in memory read/write 

The comment already invalidates itself: neither MMIO nor rasterizer cache belongsHLE kernel state. This mutex has a too large scope if MMIO or cache is included, which is prone to dead lock when multiple thread acquires these resource at the same time. If necessary, each MMIO component or rasterizer should have their own lock.
This commit is contained in:
Weiyi Wang 2019-02-08 10:43:06 -05:00
parent bad2e084e3
commit 7074dab2da
1 changed files with 0 additions and 6 deletions
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6
src/core/memory.cpp
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@ -176,9 +176,6 @@ T MemorySystem::Read(const VAddr vaddr) {
return value; return value;
} }
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS]; PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) { switch (type) {
case PageType::Unmapped: case PageType::Unmapped:
@ -213,9 +210,6 @@ void MemorySystem::Write(const VAddr vaddr, const T data) {
return; return;
} }
// The memory access might do an MMIO or cached access, so we have to lock the HLE kernel state
std::lock_guard<std::recursive_mutex> lock(HLE::g_hle_lock);
PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS]; PageType type = impl->current_page_table->attributes[vaddr >> PAGE_BITS];
switch (type) { switch (type) {
case PageType::Unmapped: case PageType::Unmapped: