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-rw-r--r--src/core/hle/kernel/k_slab_heap.h27
1 files changed, 17 insertions, 10 deletions
diff --git a/src/core/hle/kernel/k_slab_heap.h b/src/core/hle/kernel/k_slab_heap.h
index 2b303537e..a8c77a7d4 100644
--- a/src/core/hle/kernel/k_slab_heap.h
+++ b/src/core/hle/kernel/k_slab_heap.h
@@ -8,6 +8,7 @@
#include "common/assert.h"
#include "common/common_funcs.h"
#include "common/common_types.h"
+#include "common/spin_lock.h"
namespace Kernel {
@@ -36,28 +37,34 @@ public:
}
void* Allocate() {
- Node* ret = m_head.load();
+ // KScopedInterruptDisable di;
- do {
- if (ret == nullptr) {
- break;
- }
- } while (!m_head.compare_exchange_weak(ret, ret->next));
+ m_lock.lock();
+
+ Node* ret = m_head;
+ if (ret != nullptr) [[likely]] {
+ m_head = ret->next;
+ }
+ m_lock.unlock();
return ret;
}
void Free(void* obj) {
+ // KScopedInterruptDisable di;
+
+ m_lock.lock();
+
Node* node = static_cast<Node*>(obj);
+ node->next = m_head;
+ m_head = node;
- Node* cur_head = m_head.load();
- do {
- node->next = cur_head;
- } while (!m_head.compare_exchange_weak(cur_head, node));
+ m_lock.unlock();
}
private:
std::atomic<Node*> m_head{};
+ Common::SpinLock m_lock;
};
} // namespace impl