Il 19/03/2013 19:13, Gleb Natapov ha scritto: >> > There is no way for userspace to inject interrupts into a VCPU's >> > local APIC, which is important in order to inject INITs coming from >> > the chipset. KVM_INTERRUPT is currently disabled when the in-kernel >> > local APIC is used, so we can repurpose it. The shorthand destination >> > field must contain APIC_DEST_SELF, which has a double effect: first, >> > the ICR2 register is not used and the 32-bit field of KVM_INTERRUPT is >> > enough; second, it ensures that the valid range of the irq field is >> > distinct in the userspace-APIC and kernel-APIC cases. >> > > Init coming from triggering INIT# line should not be modeled as INIT coming > from > APIC.
Then Jan's patch was wrong, and INIT should not have been an apic event (perhaps SIPI should). > In fact INIT cannot be send using SELF shorthand. Where does the SDM say that? Paolo > If APIC code will be fixed to check for that this code will break. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
