Messages in this thread | | | Date | Wed, 13 Jun 2012 17:29:05 -0700 | From | Greg KH <> | Subject | Re: [PATCH 16/24] PTY: add tty_port |
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On Tue, Jun 12, 2012 at 03:55:44PM -0700, Greg KH wrote: > On Mon, Jun 04, 2012 at 01:35:30PM +0200, Jiri Slaby wrote: > > This has *no* function in the PTY driver yet. However as the tty > > buffers will move to the tty_port structure, we will need tty_port for > > all TTYs in the system, PTY inclusive. > > > > For PTYs this is ensured by allocating 2 tty_port's in pty_install, > > i.e. where the tty->link is allocated. Both tty_port's are properly > > assigned to each end of the tty. > > > > Freeing is done at the same place where tty is freed, i.e. in > > tty->ops->cleanup. > > > > This means BTW that tty_port does not outlive TTY in PTY. This might > > be a subject to change in the future if we see some problems. > > > > Signed-off-by: Jiri Slaby <jslaby@suse.cz> > > --- > > drivers/tty/pty.c | 25 +++++++++++++++++++++---- > > 1 file changed, 21 insertions(+), 4 deletions(-) > > As the locking rework got removed from Linus's tree, this patch doesn't > apply, so I've stopped at this point in the series.
Argh, this was my fault, sorry, let me try this again, I missed 14 and 15 for some reason...
greg k-h
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