On 10/27/2010 3:21 PM, Alan Cox wrote: > On Wed, 27 Oct 2010 12:54:27 -0400 Chris Metcalf <cmetc...@tilera.com> wrote: >> The tile architecture uses this framework for our serial console, > That may be a mistake unless your console is genuinely only capable of > polled input.
The console is in fact interrupt-driven within the hypervisor, and data is buffered there. However, the current hypervisor console API is only "write" and "read". We have a bugzilla to add console interrupts to the hypervisor API and use them from Linux, but we haven't done it yet. -- Chris Metcalf, Tilera Corp. http://www.tilera.com _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev