On (10/16/18 09:23), Peter Zijlstra wrote:
> On Tue, Oct 16, 2018 at 02:04:24PM +0900, Sergey Senozhatsky wrote:
> > Hello,
> >
> >
> > RFC
> >
> >
> > The patch set reduces the number of ways serial consoles
> > can deadlock the system, including the recently reported deadlock
> >
On Tue, Oct 16, 2018 at 02:04:24PM +0900, Sergey Senozhatsky wrote:
> Hello,
>
>
> RFC
>
>
> The patch set reduces the number of ways serial consoles
> can deadlock the system, including the recently reported deadlock
> in panic().
That's what I use early_printk for... :-)
Hello,
RFC
The patch set reduces the number of ways serial consoles
can deadlock the system, including the recently reported deadlock
in panic().
The test scenario I ran on my x86_64 box:
- panic() the system while one of the CPUs holds 8250's
uart_port->lock.
Test r
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