On Sat, Mar 27, 2010 at 08:48:34PM +0300, Avi Kivity wrote: > On 03/26/2010 07:14 PM, Cam Macdonell wrote: >> >>> I'm not familiar with the uio internals, but for the interface, an ioctl() >>> on the fd to assign an eventfd to an MSI vector. Similar to ioeventfd, but >>> instead of mapping a doorbell to an eventfd, it maps a real MSI to an >>> eventfd. >>> >> uio will never support ioctls. > > Why not? > >> Maybe irqcontrol could be extended? >> > > What's irqcontrol?
uio accepts 32 bit writes to the char device file. We can encode the fd number there, and use the high bit to signal assign/deassign. > -- > Do not meddle in the internals of kernels, for they are subtle and quick to > panic. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
