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k_scheduler_lock: Fix data race 

TSan reports a race between the main thread and T37 during
IsLockedByCurrentThread and when it's set at the end of Lock(),
respectively. Set owner_thread to an atomic pointer to fix it.

Co-authored-by: bunnei <bunneidev@gmail.com>
This commit is contained in:
lat9nq 2022-04-01 18:29:08 -04:00
parent e9cf2d43f1
commit 83b86d915a
1 changed files with 2 additions and 1 deletions
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3
src/core/hle/kernel/k_scheduler_lock.h
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@ -4,6 +4,7 @@
#pragma once #pragma once
#include <atomic>
#include "common/assert.h" #include "common/assert.h"
#include "core/hle/kernel/k_spin_lock.h" #include "core/hle/kernel/k_spin_lock.h"
#include "core/hle/kernel/k_thread.h" #include "core/hle/kernel/k_thread.h"
@ -75,7 +76,7 @@ private:
KernelCore& kernel; KernelCore& kernel;
KAlignedSpinLock spin_lock{}; KAlignedSpinLock spin_lock{};
s32 lock_count{}; s32 lock_count{};
KThread* owner_thread{}; std::atomic<KThread*> owner_thread{};
}; };
} // namespace Kernel } // namespace Kernel