On (09/26/19 10:58), Petr Mladek wrote:
[..]
> > - spin_lock(>port.lock);
> > -
> > + uart_port_lock_irqsave(>port, flags);
>
> uart_port_lock_irqsave() does not exist.
... Oh. Good catch! Apparently I still carry around my patch set
which added printk_safe to TTY/UART locking API.
>
On Wed 2019-09-18 16:52:52, Sergey Senozhatsky wrote:
> On (09/18/19 09:11), Uwe Kleine-König wrote:
> > I rechecked and indeed fd5f7cde1b85's parent has the problem, too, so I
> > did a mistake during my bisection :-|
> >
> > Redoing the bisection (a bit quicker this time) points to
> >
> >
On (09/18/19 09:11), Uwe Kleine-König wrote:
> I rechecked and indeed fd5f7cde1b85's parent has the problem, too, so I
> did a mistake during my bisection :-|
>
> Redoing the bisection (a bit quicker this time) points to
>
> dbdda842fe96 ("printk: Add console owner and waiter logic to load
Hello Sergey,
On Wed, Sep 18, 2019 at 10:30:32AM +0900, Sergey Senozhatsky wrote:
> On (09/17/19 16:10), Uwe Kleine-König wrote:
> > Hello,
> >
> > Today it saw sysrq on an UART driven by drivers/tty/serial/imx.c report
> > a lockdep issue. Bisecting pointed to
> >
> > fd5f7cde1b85 ("printk:
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