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Code Issues Releases Activity

device_memory_manager: use unique_lock for update

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This commit is contained in:
Liam 2024-01-15 21:56:38 -05:00
parent 04867e2456
commit 748465f5a5
1 changed files with 8 additions and 14 deletions
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22
src/core/device_memory_manager.inc
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@ -509,18 +509,12 @@ void DeviceMemoryManager<Traits>::UnregisterProcess(Asid asid) {
template <typename Traits> template <typename Traits>
void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size, s32 delta) { void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size, s32 delta) {
bool locked = false; std::unique_lock<std::mutex> lk(counter_guard, std::defer_lock);
auto lock = [&] { const auto Lock = [&] {
if (!locked) { if (!lk) {
counter_guard.lock(); lk.lock();
locked = true;
} }
}; };
SCOPE_EXIT({
if (locked) {
counter_guard.unlock();
}
});
u64 uncache_begin = 0; u64 uncache_begin = 0;
u64 cache_begin = 0; u64 cache_begin = 0;
u64 uncache_bytes = 0; u64 uncache_bytes = 0;
@ -555,7 +549,7 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
} }
uncache_bytes += Memory::YUZU_PAGESIZE; uncache_bytes += Memory::YUZU_PAGESIZE;
} else if (uncache_bytes > 0) { } else if (uncache_bytes > 0) {
lock(); Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS, MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS,
uncache_bytes, false); uncache_bytes, false);
uncache_bytes = 0; uncache_bytes = 0;
@ -566,7 +560,7 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
} }
cache_bytes += Memory::YUZU_PAGESIZE; cache_bytes += Memory::YUZU_PAGESIZE;
} else if (cache_bytes > 0) { } else if (cache_bytes > 0) {
lock(); Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes, MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true); true);
cache_bytes = 0; cache_bytes = 0;
@ -574,12 +568,12 @@ void DeviceMemoryManager<Traits>::UpdatePagesCachedCount(DAddr addr, size_t size
vpage++; vpage++;
} }
if (uncache_bytes > 0) { if (uncache_bytes > 0) {
lock(); Lock();
MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS, uncache_bytes, MarkRegionCaching(memory_device_inter, uncache_begin << Memory::YUZU_PAGEBITS, uncache_bytes,
false); false);
} }
if (cache_bytes > 0) { if (cache_bytes > 0) {
lock(); Lock();
MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes, MarkRegionCaching(memory_device_inter, cache_begin << Memory::YUZU_PAGEBITS, cache_bytes,
true); true);
} }