On Sun, Dec 13, 2015 at 10:38:02AM -0800, Peter Hurley wrote:
> On 12/13/2015 07:18 AM, Johannes Stezenbach wrote:
> >
> > There is a related bug that I meant to send a patch, but I
> > never got around because the issue was found with proprietary
> > userspace and ancient kernel. Maybe you could
On 12/13/2015 07:18 AM, Johannes Stezenbach wrote:
> Hi Peter,
>
> On Sat, Dec 12, 2015 at 02:16:38PM -0800, Peter Hurley wrote:
>> If signal-driven i/o is disabled while write wakeup is pending (ie.,
>> n_tty_write() has set TTY_DO_WRITE_WAKEUP but then signal-driven i/o
>> is disabled), the TTY_
Hi Peter,
On Sat, Dec 12, 2015 at 02:16:38PM -0800, Peter Hurley wrote:
> If signal-driven i/o is disabled while write wakeup is pending (ie.,
> n_tty_write() has set TTY_DO_WRITE_WAKEUP but then signal-driven i/o
> is disabled), the TTY_DO_WRITE_WAKEUP bit will never be cleared and
> will cause t
If signal-driven i/o is disabled while write wakeup is pending (ie.,
n_tty_write() has set TTY_DO_WRITE_WAKEUP but then signal-driven i/o
is disabled), the TTY_DO_WRITE_WAKEUP bit will never be cleared and
will cause tty_wakeup() to always call n_tty_write_wakeup.
Unconditionally clear the write w
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