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From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Petr Mladek <pmladek@suse.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	Daniel Wang <wonderfly@google.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Alan Cox <gnomes@lxorguk.ukuu.org.uk>,
	Jiri Slaby <jslaby@suse.com>, Peter Feiner <pfeiner@google.com>,
	linux-serial@vger.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Subject: Re: [RFC][PATCHv2 1/4] panic: avoid deadlocks in re-entrant console drivers
Date: Wed, 17 Oct 2018 13:48:43 +0900	[thread overview]
Message-ID: <20181017044843.GD1068@jagdpanzerIV> (raw)
In-Reply-To: <20181016050428.17966-2-sergey.senozhatsky@gmail.com>

On (10/16/18 14:04), Sergey Senozhatsky wrote:
> 
> Fix this by setting oops_in_progress before console_flush_on_panic(),
> so re-entrant console drivers will trylock the port->lock instead of
> spinning on it forever.
> 

Just a small note:
    Regardless of what's going to happen to the series, this patch
    deserves attention.

	-ss

  reply	other threads:[~2018-10-17  4:48 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-16  5:04 [RFC][PATCHv2 0/4] less deadlock prone serial consoles Sergey Senozhatsky
2018-10-16  5:04 ` [RFC][PATCHv2 1/4] panic: avoid deadlocks in re-entrant console drivers Sergey Senozhatsky
2018-10-16  5:04   ` Sergey Senozhatsky
2018-10-17  4:48   ` Sergey Senozhatsky [this message]
2018-10-23 11:07   ` Petr Mladek
2018-10-23 11:54     ` Sergey Senozhatsky
2018-10-23 12:04       ` Sergey Senozhatsky
2018-10-23 12:12         ` Sergey Senozhatsky
2018-10-25  9:06           ` Petr Mladek
2018-10-25  9:31             ` Sergey Senozhatsky
2018-10-25  8:29       ` Petr Mladek
2018-10-25  9:05         ` Sergey Senozhatsky
2018-10-25 10:10   ` [PATCHv3] " Sergey Senozhatsky
2018-10-25 10:10     ` Sergey Senozhatsky
2018-10-25 10:51     ` kbuild test robot
2018-10-25 10:51       ` kbuild test robot
2018-10-25 11:56       ` Sergey Senozhatsky
2018-10-25 11:56         ` Sergey Senozhatsky
2018-10-31 12:27     ` Petr Mladek
2018-11-01  1:48       ` Sergey Senozhatsky
2018-11-01  8:08         ` Petr Mladek
2018-11-22 13:12           ` Petr Mladek
2018-12-12  0:53             ` Daniel Wang
2018-12-12  5:23               ` Sergey Senozhatsky
2018-12-12  5:59                 ` Daniel Wang
2018-12-12  6:06                   ` Sergey Senozhatsky
2018-12-12  6:09                     ` Daniel Wang
2018-10-16  5:04 ` [RFC][PATCHv2 2/4] printk: move printk_safe macros to printk header Sergey Senozhatsky
2018-10-16  7:27   ` Peter Zijlstra
2018-10-16 11:40     ` Petr Mladek
2018-10-16 12:17       ` Peter Zijlstra
2018-10-17 10:50         ` Petr Mladek
2018-10-17 14:00           ` Peter Zijlstra
2018-10-22 14:30             ` Petr Mladek
2018-10-16 12:27     ` Sergey Senozhatsky
2018-10-16 12:38       ` Peter Zijlstra
2018-10-16 12:54       ` Peter Zijlstra
2018-10-16 14:21         ` Peter Zijlstra
2018-10-17  4:32         ` Sergey Senozhatsky
2018-10-17  4:32           ` Sergey Senozhatsky
2018-10-17  7:57           ` Peter Zijlstra
2018-10-17 13:36             ` Sergey Senozhatsky
2018-10-23  6:25         ` Sergey Senozhatsky
2018-10-16  5:04 ` [RFC][PATCHv2 3/4] serial: introduce uart_port locking helpers Sergey Senozhatsky
2018-12-08  3:12   ` Sergey Senozhatsky
2018-12-12 11:08     ` Greg Kroah-Hartman
2018-10-16  5:04 ` [RFC][PATCHv2 4/4] tty: 8250: switch to " Sergey Senozhatsky
2018-10-16  7:23 ` [RFC][PATCHv2 0/4] less deadlock prone serial consoles Peter Zijlstra
2018-10-16  8:12   ` Sergey Senozhatsky

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