> v2.6.16-rc1 via 33f0f88f1c51ae5c2d593d26960c760ea154c2e2 > [PATCH] TTY layer buffering revamp > > added this new api.
No - tty_flip_buffer_push is from 2.1.66 and with the same constraints from the day it was added. > Having the flag set for purely polled drivers will save delaying > the work when receiving input for 1 jiffie. > > > Index: work.git/drivers/char/hvc_console.c > =================================================================== > --- work.git.orig/drivers/char/hvc_console.c 2009-01-08 03:01:24.000000000 > -0600 > +++ work.git/drivers/char/hvc_console.c 2009-01-08 03:01:51.000000000 > -0600 > @@ -318,7 +318,8 @@ static int hvc_open(struct tty_struct *t > } /* else count == 0 */ > > tty->driver_data = hp; > - tty->low_latency = 1; /* Makes flushes to ldisc synchronous. */ > + if (!hp->irq_requested) > + tty->low_latency = 1; /* Makes flushes to ldisc synchronous. */ > > hp->tty = tty; Looks good to me _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev