From: sashiko-bot@kernel.org
To: "Xuewen Wang" <wangxuewen@kylinos.cn>
Cc: damon@lists.linux.dev
Subject: Re: [PATCH v1] mm/damon/sysfs: propagate damon_call() error in turn_damon_on
Date: Tue, 15 Sep 2026 09:48:21 +0000 [thread overview]
Message-ID: <20260915094822.788851F000FF@smtp.kernel.org> (raw)
In-Reply-To: <20260915093928.3389096-1-wangxuewen@kylinos.cn>
> damon_sysfs_turn_damon_on() ignored the return value of damon_call()
> for the repeat call control registration and always returned the stale
> result of damon_start() (0 at that point). When damon_call() fails,
> e.g., the kdamond is already exiting, the user still gets success from
> the state file write while monitoring is not actually on.
>
> Save and return the damon_call() result instead. No rollback of
> damon_start() is needed since a failed damon_call() guarantees the
> context is stopped.
>
> Signed-off-by: Xuewen Wang <wangxuewen@kylinos.cn>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20260915093928.3389096-1-wangxuewen@kylinos.cn?part=1
next prev parent reply other threads:[~2026-09-15 9:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 9:39 [PATCH v1] mm/damon/sysfs: propagate damon_call() error in turn_damon_on Xuewen Wang
2026-09-15 9:48 ` sashiko-bot [this message]
2026-09-15 15:05 ` SJ Park
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