[Qemu-devel] [RFC] KVM: PPC: Add level based interrupt logic

2010-09-01 Thread Alexander Graf
KVM on PowerPC used to have completely broken interrupt logic. Usually, interrupts work by having a PIC that pulls a line up/down, so the CPU knows that an interrupt is active. This line stays active until some action is done to the PIC to release the line. On KVM for PPC, we just checked if there

[Qemu-devel] [RFC] KVM: PPC: Add level based interrupt logic

2010-08-31 Thread Alexander Graf
KVM on PowerPC used to have completely broken interrupt logic. Usually, interrupts work by having a PIC that pulls a line up/down, so the CPU knows that an interrupt is active. This line stays active until some action is done to the PIC to release the line. On KVM for PPC, we just checked if there