From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
To: Oleg Nesterov <oleg@redhat.com>
Cc: John Ogness <john.ogness@linutronix.de>,
Petr Mladek <pmladek@suse.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3] printk_legacy_map: use LD_WAIT_CONFIG instead of LD_WAIT_SLEEP
Date: Mon, 27 Oct 2025 09:28:46 +0100 [thread overview]
Message-ID: <20251027082846.rsqK_B-p@linutronix.de> (raw)
In-Reply-To: <20251026150726.GA23223@redhat.com>
On 2025-10-26 16:07:26 [+0100], Oleg Nesterov wrote:
> printk_legacy_map is used to hide lock nesting violations caused by
> legacy drivers and is using the wrong override type. LD_WAIT_SLEEP is
> for always sleeping lock types such as mutex_t. LD_WAIT_CONFIG is for
> lock type which are sleeping while spinning on PREEMPT_RT such as
> spinlock_t.
>
> Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Sebastian
next prev parent reply other threads:[~2025-10-27 8:28 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-22 15:41 [PATCH] printk_legacy_map: use LD_WAIT_CONFIG instead of LD_WAIT_SLEEP Oleg Nesterov
2025-10-23 7:49 ` Petr Mladek
2025-10-23 8:58 ` John Ogness
2025-10-23 10:28 ` Oleg Nesterov
2025-10-23 9:28 ` Oleg Nesterov
2025-10-23 10:32 ` [PATCH v2] " Oleg Nesterov
2025-10-23 14:26 ` Sebastian Andrzej Siewior
2025-10-23 15:06 ` John Ogness
2025-10-23 15:11 ` Sebastian Andrzej Siewior
2025-10-23 15:46 ` John Ogness
2025-10-23 15:46 ` Oleg Nesterov
2025-10-23 19:14 ` Sebastian Andrzej Siewior
2025-10-24 9:35 ` Petr Mladek
2025-10-24 10:38 ` Sebastian Andrzej Siewior
2025-10-24 12:57 ` Petr Mladek
2025-10-24 15:15 ` Oleg Nesterov
2025-10-24 10:40 ` Oleg Nesterov
2025-10-24 10:52 ` Sebastian Andrzej Siewior
2025-10-24 11:00 ` Oleg Nesterov
2025-10-26 15:07 ` [PATCH v3] " Oleg Nesterov
2025-10-27 8:28 ` Sebastian Andrzej Siewior [this message]
2025-10-27 8:37 ` John Ogness
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