Il 24/03/2014 18:58, Radim Krčmář ha scritto:
> + rtc_irq_eoi_tracking_reset(ioapic);
> + for_each_set_bit(idx, &irr, IOAPIC_NUM_PINS)
> + ioapic_set_irq(ioapic, idx, 1, true);
> +
> + kvm_rtc_eoi_tracking_restore_all(ioapic);
(We shouldn't have RTC interrupt with pending EOI in irr, so the
function could be independent.
If the RTC state gets out of sync you get a BUG_ON, so I preferred to be
safe and first inject the interrupts without any recorded recipient of
GSI 8; and then put everything together based on both LAPIC and IOAPIC
state.
I'd prefer 'ioapic->irr = 0' here ...)
The point is that "ioapic->irr = 0" is overriding the previous memcpy,
because state->irr is used as argument to kvm_ioapic_inject_all instead.
So I think "iopic->irr = 0" should stay close to the memcpy.
Paolo
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