On Thu, Jan 21, 2010 at 09:50:34AM -0800, Davide Libenzi wrote: > On Thu, 21 Jan 2010, Avi Kivity wrote: > > > On 01/21/2010 07:32 PM, Michael S. Tsirkin wrote: > > > > > > > Can't you read from the file? > > > > > > > IMO no, the read could block. > > > > > > > But you're in process context. An eventfd never blocks. > > Can you control the eventfd flags? Because if yes, O_NONBLOCK will never > block. > Userspace can but kvm can't. > > - Davide > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html