Re: [PATCHv5 1/3] mm: export use_mm/unuse_mm to modules

2009-08-28 Thread Gregory Haskins
Michael S. Tsirkin wrote: vhost net module wants to do copy to/from user from a kernel thread, which needs use_mm (like what fs/aio has). Move that into mm/ and export to modules. Michael, Andrew, I am just curious: Is there any technical reason why a kthread cannot have a long-term

Re: Extending virtio_console to support multiple ports

2009-08-28 Thread Anthony Liguori
Amit Shah wrote: On (Tue) Aug 25 2009 [11:47:20], Amit Shah wrote: Hello all, Here is a new iteration of the patch series that implements a transport for guest and host communications. The code has been updated to reuse the virtio-console device instead of creating a new virtio-serial

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 less