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core: hle: kernel: k_scheduler: Improve ScheduleImpl.

This commit is contained in:
bunnei 2021-08-06 23:16:12 -07:00
parent f412d2027a
commit 13c82d042f
1 changed files with 7 additions and 6 deletions
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11
src/core/hle/kernel/k_scheduler.cpp
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@ -721,7 +721,7 @@ void KScheduler::SwitchContextStep2() {
} }
void KScheduler::ScheduleImpl() { void KScheduler::ScheduleImpl() {
KThread* previous_thread = current_thread.load(); KThread* previous_thread = GetCurrentThread();
KThread* next_thread = state.highest_priority_thread; KThread* next_thread = state.highest_priority_thread;
state.needs_scheduling = false; state.needs_scheduling = false;
@ -733,10 +733,15 @@ void KScheduler::ScheduleImpl() {
// If we're not actually switching thread, there's nothing to do. // If we're not actually switching thread, there's nothing to do.
if (next_thread == current_thread.load()) { if (next_thread == current_thread.load()) {
previous_thread->EnableDispatch();
guard.Unlock(); guard.Unlock();
return; return;
} }
if (next_thread->GetCurrentCore() != core_id) {
next_thread->SetCurrentCore(core_id);
}
current_thread.store(next_thread); current_thread.store(next_thread);
KProcess* const previous_process = system.Kernel().CurrentProcess(); KProcess* const previous_process = system.Kernel().CurrentProcess();
@ -747,11 +752,7 @@ void KScheduler::ScheduleImpl() {
Unload(previous_thread); Unload(previous_thread);
std::shared_ptr<Common::Fiber>* old_context; std::shared_ptr<Common::Fiber>* old_context;
if (previous_thread != nullptr) {
old_context = &previous_thread->GetHostContext(); old_context = &previous_thread->GetHostContext();
} else {
old_context = &idle_thread->GetHostContext();
}
guard.Unlock(); guard.Unlock();
Common::Fiber::YieldTo(*old_context, *switch_fiber); Common::Fiber::YieldTo(*old_context, *switch_fiber);