On Sun, Sep 11, 2011 at 08:58:53PM +0200, Roger Pau Monné wrote: > > I can't see how a userland implementation can have better performances > > than an all in-kernel implementation. There are more context switches, > > which are notr so cheap with Xen. > > >From what I understand using blktap with Xen provides better > performance because it is designed specifically for this task (attach > disks to virtual machines), and uses asynchronous I/O, not because
our block backend is also asynchronous -- Manuel Bouyer <[email protected]> NetBSD: 26 ans d'experience feront toujours la difference --
