On Tue, Aug 28, 2007 at 12:53:28PM +0000, YAMAMOTO Takashi wrote:

> Log Message:
> change ksiginfo_pool from IPL_SOFTCLOCK to IPL_TTY,
> as it can be used from the context of ttyinput.

I think it needs to be IPL_VM to prevent deadlock, since the signal path
is now called into without kernel_lock.

Hmm. In order to get rid of proclist_mutex/p_smutex the tty code is going to
require a bit of work to ensure that any signal processing is deferred to
a software interrupt.

Andrew