From: David Laight <david.laight.linux@gmail.com>
To: chensong_2000@189.cn
Cc: rafael@kernel.org, lenb@kernel.org, mturquette@baylibre.com,
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Subject: Re: [RFC PATCH 1/2] kernel/notifier: replace single-linked list with double-linked list for reverse traversal
Date: Thu, 16 Apr 2026 13:30:04 +0100 [thread overview]
Message-ID: <20260416133004.07bd2886@pumpkin> (raw)
In-Reply-To: <20260415070137.17860-1-chensong_2000@189.cn>
On Wed, 15 Apr 2026 15:01:37 +0800
chensong_2000@189.cn wrote:
> From: Song Chen <chensong_2000@189.cn>
>
> The current notifier chain implementation uses a single-linked list
> (struct notifier_block *next), which only supports forward traversal
> in priority order. This makes it difficult to handle cleanup/teardown
> scenarios that require notifiers to be called in reverse priority order.
If it is only cleanup/teardown then the list can be order-reversed
as part of that process at the same time as the list is deleted.
David
next prev parent reply other threads:[~2026-04-16 12:30 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-15 7:01 [RFC PATCH 1/2] kernel/notifier: replace single-linked list with double-linked list for reverse traversal chensong_2000
2026-04-15 7:40 ` Christoph Hellwig
2026-04-16 10:33 ` Petr Mladek
2026-04-19 0:07 ` Song Chen
2026-04-16 12:30 ` David Laight [this message]
2026-04-16 14:54 ` Petr Mladek
2026-04-16 19:15 ` David Laight
2026-04-19 0:21 ` Song Chen
2026-04-20 5:44 ` Masami Hiramatsu
2026-04-21 9:05 ` Petr Mladek
2026-04-26 13:56 ` Song Chen
2026-04-26 14:14 ` Song Chen
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