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fda08b0e43
Until now, EOI had always been sent out to the APIC with interrupts unlocked. Depending on timing, there is a race where the next interrupt on the same line could arrive before _IntExit disables interrupts and pops context. If this happens consecutively enough times, the interrupt stack will overflow. Now we disable interrupts at the beginning of _IntExitWithEoi and they remain that way until 'iret'. Change-Id: Ibb28e0db902ff483d7a885389f231ac2d1864657 Signed-off-by: Andrew Boie <andrew.p.boie@intel.com> |
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