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Interrupts: Handle spurious IRQs from eoi() method

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Liav A 2020-03-21 12:03:22 +02:00 • committed by Andreas Kling
parent 8d9b6c57b5
commit 5f579904c1
2 changed files with 8 additions and 3 deletions
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9
Kernel/Interrupts/PIC.cpp
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@ -137,8 +137,13 @@ void PIC::eoi(const GenericInterruptHandler& handler) const
{
InterruptDisabler disabler;
ASSERT(!is_hard_disabled());
ASSERT(handler.interrupt_number() >= gsi_base() && handler.interrupt_number() < interrupt_vectors_count());
eoi_interrupt(handler.interrupt_number());
u8 irq = handler.interrupt_number();
ASSERT(irq >= gsi_base() && irq < interrupt_vectors_count());
if ((1 << irq) & m_cached_irq_mask) {
spurious_eoi(handler);
return;
}
eoi_interrupt(irq);
}
void PIC::eoi_interrupt(u8 irq) const