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kern: use 13.0.0 revised KLightLock logic

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This commit is contained in:
Michael Scire 2021-10-19 02:45:29 -07:00
parent 3fc695aff8
commit 52332e8d75
2 changed files with 12 additions and 15 deletions
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8
libraries/libmesosphere/source/kern_k_light_lock.cpp
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@ -31,7 +31,7 @@ namespace ams::kern {
}
void KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
bool KLightLock::LockSlowPath(uintptr_t _owner, uintptr_t _cur_thread) {
KThread *cur_thread = reinterpret_cast<KThread *>(_cur_thread);
ThreadQueueImplForKLightLock wait_queue;
@ -40,8 +40,8 @@ namespace ams::kern {
KScopedSchedulerLock sl;
/* Ensure we actually have locking to do. */
if (AMS_UNLIKELY(m_tag.load(std::memory_order_relaxed) != _owner)) {
return;
if (m_tag.load(std::memory_order_relaxed) != _owner) {
return false;
}
/* Add the current thread as a waiter on the owner. */
@ -56,6 +56,8 @@ namespace ams::kern {
owner_thread->ContinueIfHasKernelWaiters();
}
}
return true;
}
void KLightLock::UnlockSlowPath(uintptr_t _cur_thread) {