295b202227e9 ("xen: privcmd: Replace zero-length array with flex-array member and use __counted_by") f0d7db7b3324 ("xen: privcmd: Add support for ioeventfd") 767e33ca47dd ("xen: irqfd: Use _IOW instead of the internal _IOC() macro") f8941e6c4c71 ("xen: privcmd: Add support for irqfd")