Re: strange delays on console logouts (tty != 1)

[Russell King]

On Sat, May 01, 2004 at 06:03:47PM -0700, Andrew Morton wrote:
> Petr Vandrovec <vandrove@xxxxxxxxxx> wrote:
> >
> > (2) tty hangup is scheduled for work_queue.
> 
> This is the problem, isn't it?
> 
> >From what context is tty_hangup() invoked?  (stick a dump_stack() in there>?)

>From IRQ context.  It's tty_vhangup() which is invoked from user context,
and calls do_tty_hangup() synchronously.

-- 
Russell King
 Linux kernel    2.6 ARM Linux   - http://www.arm.linux.org.uk/
 maintainer of:  2.6 PCMCIA      - http://pcmcia.arm.linux.org.uk/
                 2.6 Serial core
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