Re: [Qemu-devel] Re: Extending virtio_console to support multiple ports

2009-08-28 Thread Jamie Lokier
Alan Cox wrote: > > - Then, are we certain that there's no case where the tty layer will > > call us with some lock held or in an atomic context ? To be honest, > > I've totally lost track of the locking rules in tty land lately so it > > might well be ok, but something to verify. > > Some of the

Re: [Qemu-devel] Re: Extending virtio_console to support multiple ports

2009-08-26 Thread Amit Shah
On (Thu) Aug 27 2009 [14:07:03], Benjamin Herrenschmidt wrote: > On Wed, 2009-08-26 at 21:15 +0530, Amit Shah wrote: > > > > > > - Convert hvc's usage of spinlocks to mutexes. I've no idea how this > > > will play out; I'm no expert here. But I did try doing this and so far > > > it all looks