Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup

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To: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Subject: Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
From: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>
Date: Fri, 14 Aug 2020 10:39:48 +0900
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>, Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>, Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx>, Petr Mladek <pmladek@xxxxxxxx>, Steven Rostedt <rostedt@xxxxxxxxxxx>, linux-serial@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, Tony Lindgren <tony@xxxxxxxxxxx>, Sergey Senozhatsky <sergey.senozhatsky.work@xxxxxxxxx>, John Ogness <john.ogness@xxxxxxxxxxxxx>, kurt@xxxxxxxxxxxxx, Raul Rangel <rrangel@xxxxxxxxxx>, "S, Shirish" <Shirish.S@xxxxxxx>
In-reply-to: <20200813180013.GZ1891694@smile.fi.intel.com>
References: <20200812154813.GA46894@roeck-us.net> <20200813050629.GA95559@roeck-us.net> <20200813115948.GA3854926@kroah.com> <20200813142022.GY1891694@smile.fi.intel.com> <c9421d8a-7a2b-23ce-61f5-41f2136cf228@roeck-us.net> <e78b85b6-3134-290e-88e2-f1d6e88f0db0@roeck-us.net> <20200813180013.GZ1891694@smile.fi.intel.com>

Hi Andy,

On (20/08/13 21:00), Andy Shevchenko wrote:
> That's basically what Sergey (IIRC) proposed in [1].
> (You missed enable_irq() part in above)
> 
> I guess we may try it. Sergey, can you submit a formal patch?

OK, let me try.

	-ss

References:
- Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Guenter Roeck
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Guenter Roeck
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Greg KH
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Andy Shevchenko
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Guenter Roeck
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Guenter Roeck
- Re: Recursive/circular locking in serial8250_console_write/serial8250_do_startup
  - From: Andy Shevchenko

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