linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Petr Mladek <pmladek@suse.com>,
	Sergey Senozhatsky <sergey.senozhatsky@gmail.com>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 5/5] console: Introduce ->exit() callback
Date: Tue, 28 Jan 2020 14:17:11 +0900	[thread overview]
Message-ID: <20200128051711.GB115889@google.com> (raw)
In-Reply-To: <20200127114719.69114-5-andriy.shevchenko@linux.intel.com>

On (20/01/27 13:47), Andy Shevchenko wrote:
[..]
> +++ b/include/linux/console.h
> @@ -148,6 +148,7 @@ struct console {
>  	struct tty_driver *(*device)(struct console *, int *);
>  	void	(*unblank)(void);
>  	int	(*setup)(struct console *, char *);
> +	void	(*exit)(struct console *);
>  	int	(*match)(struct console *, char *name, int idx, char *options);
>  	short	flags;
>  	short	index;
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index da6a9bdf76b6..6ca03d199132 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -2853,6 +2853,10 @@ int unregister_console(struct console *console)
>  	console->flags &= ~CON_ENABLED;
>  	console_unlock();
>  	console_sysfs_notify();
> +
> +	if (console->exit)
> +		console->exit(console);
> +

If the console was not registered (hence not enabled) is it still required
to call ->exit()? Is there a requirement that ->exit() should handle such
cases?

	-ss

  reply	other threads:[~2020-01-28  5:17 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-27 11:47 [PATCH v3 1/5] console: Don't perform test for CON_BRL flag Andy Shevchenko
2020-01-27 11:47 ` [PATCH v3 2/5] console: Drop double check for console_drivers being non-NULL Andy Shevchenko
2020-01-29 13:24   ` Petr Mladek
2020-01-27 11:47 ` [PATCH v3 3/5] console: Use for_each_console() helper in unregister_console() Andy Shevchenko
2020-01-29 14:11   ` Petr Mladek
2020-01-27 11:47 ` [PATCH v3 4/5] console: Avoid positive return code from unregister_console() Andy Shevchenko
2020-01-28  4:43   ` Sergey Senozhatsky
2020-01-28  9:22     ` Andy Shevchenko
2020-01-28  9:25       ` Sergey Senozhatsky
2020-01-28  9:37       ` Sergey Senozhatsky
2020-01-28  9:52         ` Andy Shevchenko
2020-01-30  9:04   ` Petr Mladek
2020-01-30  9:58     ` Andy Shevchenko
2020-01-30 12:22       ` Petr Mladek
2020-01-30 13:13         ` Andy Shevchenko
2020-01-27 11:47 ` [PATCH v3 5/5] console: Introduce ->exit() callback Andy Shevchenko
2020-01-28  5:17   ` Sergey Senozhatsky [this message]
2020-01-28  9:44     ` Andy Shevchenko
2020-01-29 13:41       ` Sergey Senozhatsky
2020-01-29 14:25         ` Andy Shevchenko
2020-01-29 15:12           ` Sergey Senozhatsky
2020-01-29 16:50             ` Sergey Senozhatsky
2020-01-30 13:14               ` Andy Shevchenko
2020-01-30 13:22           ` Petr Mladek
2020-01-30 13:39             ` Andy Shevchenko
2020-01-30  9:09   ` Petr Mladek
2020-01-30 10:01     ` Andy Shevchenko
2020-01-29 12:29 ` [PATCH v3 1/5] console: Don't perform test for CON_BRL flag Petr Mladek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200128051711.GB115889@google.com \
    --to=sergey.senozhatsky.work@gmail.com \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=pmladek@suse.com \
    --cc=rostedt@goodmis.org \
    --cc=sergey.senozhatsky@gmail.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).