linux-kernel - Re: [PATCH v3 3/3] printk: Use console_flush_one

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Message-ID: <87zf9hbvrt.fsf@jogness.linutronix.de>
Date: Thu, 23 Oct 2025 15:25:34 +0206
From: John Ogness <john.ogness@...utronix.de>
To: Andrew Murray <amurray@...goodpenguin.co.uk>, Petr Mladek
 <pmladek@...e.com>, Steven Rostedt <rostedt@...dmis.org>, Sergey
 Senozhatsky <senozhatsky@...omium.org>
Cc: linux-kernel@...r.kernel.org, Andrew Murray <amurray@...goodpenguin.co.uk>
Subject: Re: [PATCH v3 3/3] printk: Use console_flush_one_record for legacy
 printer kthread

On 2025-10-20, Andrew Murray <amurray@...goodpenguin.co.uk> wrote:
> diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
> index 6c846d2d37d9d20bad58c6e3a7caada3be9552ca..2665a7a59f03b3a357b3346de1735606e77c3496 100644
> --- a/kernel/printk/printk.c
> +++ b/kernel/printk/printk.c
> @@ -3644,17 +3644,26 @@ static bool legacy_kthread_should_wakeup(void)
>  
>  static int legacy_kthread_func(void *unused)
>  {
> -	for (;;) {
> -		wait_event_interruptible(legacy_wait, legacy_kthread_should_wakeup());
> +	bool try_again;
> +
> +wait_for_event:
> +	wait_event_interruptible(legacy_wait, legacy_kthread_should_wakeup());
> +
> +	do {
> +		u64 next_seq = 0;
> +		bool handover = false;

Nit: I prefer to sort by line length:

		bool handover = false;
		u64 next_seq = 0;

With change:

Reviewed-by: John Ogness <john.ogness@...utronix.de>