From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: John Ogness <john.ogness@linutronix.de>
Cc: Petr Mladek <pmladek@suse.com>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Steven Rostedt <rostedt@goodmis.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Subject: Re: [PATCH printk v2 4/5] printk: Add per-console suspended state
Date: Wed, 12 Jul 2023 00:08:19 +0900 [thread overview]
Message-ID: <20230711150819.GC12154@google.com> (raw)
In-Reply-To: <20230710134524.25232-5-john.ogness@linutronix.de>
On (23/07/10 15:51), John Ogness wrote:
[..]
> @@ -2623,8 +2647,6 @@ void console_lock(void)
> msleep(1000);
>
> down_console_sem();
> - if (console_suspended)
> - return;
> console_locked = 1;
> console_may_schedule = 1;
> }
> @@ -2645,10 +2667,6 @@ int console_trylock(void)
> return 0;
> if (down_trylock_console_sem())
> return 0;
> - if (console_suspended) {
> - up_console_sem();
> - return 0;
> - }
> console_locked = 1;
> console_may_schedule = 0;
> return 1;
Interesting. console_locked previously would not be set if
console is suspended, but now it's always set, which in theory
changes the way WARN_CONSOLE_UNLOCKED() macro works in some
cases?
next prev parent reply other threads:[~2023-07-11 15:09 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-10 13:45 [PATCH printk v2 0/5] various cleanups John Ogness
2023-07-10 13:45 ` [PATCH printk v2 1/5] kdb: do not assume write() callback available John Ogness
2023-07-11 0:25 ` Sergey Senozhatsky
2023-07-11 8:23 ` Daniel Thompson
2023-07-11 8:58 ` John Ogness
2023-07-11 9:01 ` Daniel Thompson
2023-07-10 13:45 ` [PATCH printk v2 2/5] printk: Add NMI safety to console_flush_on_panic() and console_unblank() John Ogness
2023-07-11 15:43 ` Petr Mladek
2023-07-11 16:07 ` Sergey Senozhatsky
2023-07-12 21:11 ` John Ogness
2023-07-13 14:43 ` Petr Mladek
2023-07-14 4:00 ` Sergey Senozhatsky
2023-07-14 9:41 ` Petr Mladek
2023-07-10 13:45 ` [PATCH printk v2 3/5] printk: Consolidate console deferred printing John Ogness
2023-07-11 15:17 ` Sergey Senozhatsky
2023-07-13 14:51 ` Petr Mladek
2023-07-10 13:45 ` [PATCH printk v2 4/5] printk: Add per-console suspended state John Ogness
2023-07-11 15:08 ` Sergey Senozhatsky [this message]
2023-07-11 15:23 ` John Ogness
2023-07-11 15:26 ` Sergey Senozhatsky
2023-07-11 15:30 ` Sergey Senozhatsky
2023-07-13 15:53 ` Petr Mladek
2023-07-10 13:45 ` [PATCH printk v2 5/5] printk: Rename abandon_console_lock_in_panic() to other_cpu_in_panic() John Ogness
2023-07-11 0:22 ` Sergey Senozhatsky
2023-07-13 15:55 ` Petr Mladek
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