From: Jinchao Wang <wangjinchao600@gmail.com>
To: John Ogness <john.ogness@linutronix.de>,
pmladek@suse.com, akpm@linux-foundation.org,
Steven Rostedt <rostedt@goodmis.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: linux-kernel@vger.kernel.org, feng.tang@linux.alibaba.com,
joel.granados@kernel.org, namcao@linutronix.de,
sravankumarlpu@gmail.com
Subject: Re: [PATCH 6/9] printk/nbcon: use panic_on_this_cpu() helper
Date: Tue, 26 Aug 2025 08:58:16 +0800 [thread overview]
Message-ID: <504d5b94-e656-4c84-8da8-294459d3af2a@gmail.com> (raw)
In-Reply-To: <84wm6rbucz.fsf@jogness.linutronix.de>
On 8/25/25 17:53, John Ogness wrote:
> On 2025-08-20, Jinchao Wang <wangjinchao600@gmail.com> wrote:
>> nbcon_context_try_acquire() compared
>> panic_cpu directly with smp_processor_id().
>> This open-coded check is now provided by
>> panic_on_this_cpu().
>>
>> Switch to panic_on_this_cpu() to simplify
>> the code and improve readability.
>>
>> Signed-off-by: Jinchao Wang <wangjinchao600@gmail.com>
>> ---
>> kernel/printk/nbcon.c | 4 ++--
>> 1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/kernel/printk/nbcon.c b/kernel/printk/nbcon.c
>> index 646801813415..7490865e2f44 100644
>> --- a/kernel/printk/nbcon.c
>> +++ b/kernel/printk/nbcon.c
>> @@ -2,6 +2,7 @@
>> // Copyright (C) 2022 Linutronix GmbH, John Ogness
>> // Copyright (C) 2022 Intel, Thomas Gleixner
>>
>> +#include "linux/panic.h"
>> #include <linux/atomic.h>
>> #include <linux/bug.h>
>> #include <linux/console.h>
>
> Please use angle brackets. Also, the includes are sorted
> alphabetically. So it should look like this:
>
> #include <linux/irqflags.h>
> #include <linux/kthread.h>
> #include <linux/minmax.h>
> +#include <linux/panic.h>
> #include <linux/percpu.h>
> #include <linux/preempt.h>
> #include <linux/slab.h>
>
Thanks for the feedback. This patch, v2, has been merged to the -mm
branch already, but I will fix the include style in a separate cleanup
patch.
--
Best regards,
Jinchao
next prev parent reply other threads:[~2025-08-26 0:58 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-20 9:14 [PATCH 0/9] panic: introduce panic status function family Jinchao Wang
2025-08-20 9:14 ` [PATCH 1/9] panic: Introduce helper functions for panic state Jinchao Wang
2025-08-20 9:14 ` [PATCH 2/9] fbdev: Use panic_in_progress() helper Jinchao Wang
2025-08-20 9:14 ` [PATCH 3/9] crash_core: use panic_try_start() in crash_kexec() Jinchao Wang
2025-08-20 9:14 ` [PATCH 4/9] panic: use panic_try_start() in nmi_panic() Jinchao Wang
2025-08-20 9:14 ` [PATCH 5/9] panic: use panic_try_start() in vpanic() Jinchao Wang
2025-08-20 9:14 ` [PATCH 6/9] printk/nbcon: use panic_on_this_cpu() helper Jinchao Wang
2025-08-20 9:14 ` [PATCH 7/9] panic/printk: replace this_cpu_in_panic() with panic_on_this_cpu() Jinchao Wang
2025-08-20 9:14 ` [PATCH 8/9] panic/printk: replace other_cpu_in_panic() with panic_on_other_cpu() Jinchao Wang
2025-08-20 9:14 ` [PATCH 9/9] watchdog: skip checks when panic is in progress Jinchao Wang
2025-08-20 15:18 ` Yury Norov
2025-08-21 1:29 ` Jinchao Wang
2025-08-25 10:05 ` [PATCH 8/9] panic/printk: replace other_cpu_in_panic() with panic_on_other_cpu() John Ogness
2025-08-25 9:53 ` [PATCH 6/9] printk/nbcon: use panic_on_this_cpu() helper John Ogness
2025-08-26 0:58 ` Jinchao Wang [this message]
2025-08-20 13:35 ` [PATCH 3/9] crash_core: use panic_try_start() in crash_kexec() Baoquan He
2025-08-20 13:43 ` Baoquan He
2025-08-21 2:43 ` Baoquan He
2025-08-21 3:41 ` Jinchao Wang
2025-08-20 10:44 ` [PATCH 2/9] fbdev: Use panic_in_progress() helper Qianqiang Liu
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