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Interrupts: Simplify IRQ disabling & enabling in IRQController(s)

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Instead of blindly setting masks, if we want to disable an IRQ and it's
already masked, we just return. The same happens if we want to enable an
IRQ and it's unmasked.
This commit is contained in:
Liav A 2020-03-21 09:33:58 +02:00 • committed by Andreas Kling
parent 3f98a67d75
commit 0b7fc525e1
5 changed files with 31 additions and 19 deletions
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Kernel/Interrupts/IOAPIC.h
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@ -48,6 +48,7 @@ public:
virtual void eoi(const GenericInterruptHandler&) const override;
virtual void spurious_eoi(const GenericInterruptHandler&) const override;
virtual bool is_vector_enabled(u8 number) const override;
virtual bool is_enabled() const override;
virtual u16 get_isr() const override;
virtual u16 get_irr() const override;
virtual u32 gsi_base() const override { return m_gsi_base; }