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Merge pull request #8523 from liamwhite/sc-oopsie 

cpu_manager: properly check idle on return from preemption
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Fernando S 2022-07-01 22:40:02 +02:00 committed by GitHub
parent 78ce053b4d 2c1e2c63c3
commit 3f3c2dc20f
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 1 deletions
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2
src/core/cpu_manager.cpp
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@ -194,9 +194,11 @@ void CpuManager::PreemptSingleCore(bool from_running_enviroment) {
{ {
auto& scheduler = system.Kernel().Scheduler(current_core); auto& scheduler = system.Kernel().Scheduler(current_core);
scheduler.Reload(scheduler.GetSchedulerCurrentThread()); scheduler.Reload(scheduler.GetSchedulerCurrentThread());
if (!scheduler.IsIdle()) {
idle_count = 0; idle_count = 0;
} }
} }
}
void CpuManager::ShutdownThread() { void CpuManager::ShutdownThread() {
auto& kernel = system.Kernel(); auto& kernel = system.Kernel();

5
src/core/hle/kernel/k_scheduler.h
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@ -55,6 +55,11 @@ public:
return idle_thread; return idle_thread;
} }
/// Returns true if the scheduler is idle
[[nodiscard]] bool IsIdle() const {
return GetSchedulerCurrentThread() == idle_thread;
}
/// Gets the timestamp for the last context switch in ticks. /// Gets the timestamp for the last context switch in ticks.
[[nodiscard]] u64 GetLastContextSwitchTicks() const; [[nodiscard]] u64 GetLastContextSwitchTicks() const;