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Kernel: Break out of the idle loop on WaitQueue wake instead of on IRQ

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Now that we have proper wait queues to drive waiter wakeup, we can use
the wake actions to break out of the scheduler's idle loop when we've
got a thread to run.
This commit is contained in:
Andreas Kling 2019-12-08 00:33:35 +01:00
parent 1f95ea1b6d
commit a0e38922bd
2 changed files with 3 additions and 4 deletions
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5
Kernel/Arch/i386/CPU.cpp
View file

@ -3,7 +3,6 @@
#include "IRQHandler.h"
#include "PIC.h"
#include "Process.h"
#include "Scheduler.h"
#include <AK/Types.h>
#include <Kernel/Arch/i386/CPU.h>
#include <Kernel/KSyms.h>
@ -507,10 +506,8 @@ void handle_irq()
}
}
if (s_irq_handler[irq]) {
if (s_irq_handler[irq])
s_irq_handler[irq]->handle_irq();
Scheduler::stop_idling();
}
PIC::eoi(irq);
}

2
Kernel/WaitQueue.cpp
View file

@ -22,6 +22,7 @@ void WaitQueue::wake_one()
return;
if (auto* thread = m_threads.take_first())
thread->wake_from_queue();
Scheduler::stop_idling();
}
void WaitQueue::wake_all()
@ -31,4 +32,5 @@ void WaitQueue::wake_all()
return;
while (!m_threads.is_empty())
m_threads.take_first()->wake_from_queue();
Scheduler::stop_idling();
}