On Mon, Oct 03, 2022 at 07:26:29PM +0100, Marc Zyngier wrote: > Can x86 practically deal with MSIs without the APIC? If not, we should > instead find a way to forbid MSIs when APIC isn't selected. Or make > APIC support mandatory. Well, you need the local APIC in order to send MSIs, that's why X86_LOCAL_APIC depends on PCI_MSI. I'll have a look at that .config tomorrow. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette