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From: Jens Axboe <axboe@kernel.dk>
To: Muchun Song <muchun.song@linux.dev>
Cc: josef@toxicpanda.com, oleg@redhat.com,
	linux-block@vger.kernel.org,  linux-kernel@vger.kernel.org,
	muchun.song@linux.dev
Subject: Re: [PATCH] block: remove redundant explicit memory barrier from rq_qos waiter and waker
Date: Tue, 22 Oct 2024 16:25:06 -0600	[thread overview]
Message-ID: <172963590674.1032314.6365851966628094463.b4-ty@kernel.dk> (raw)
In-Reply-To: <20241021085251.73353-1-songmuchun@bytedance.com>


On Mon, 21 Oct 2024 16:52:51 +0800, Muchun Song wrote:
> The memory barriers in list_del_init_careful() and list_empty_careful()
> in pairs already handle the proper ordering between data.got_token
> and data.wq.entry. So remove the redundant explicit barriers. And also
> change a "break" statement to "return" to avoid redundant calling of
> finish_wait().
> 
> 
> [...]

Applied, thanks!

[1/1] block: remove redundant explicit memory barrier from rq_qos waiter and waker
      commit: 904ebd2527c507752f5ddb358f887d2e0dab96a0

Best regards,
-- 
Jens Axboe




      parent reply	other threads:[~2024-10-22 22:25 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-21  8:52 Muchun Song
2024-10-21 13:45 ` Jens Axboe
2024-10-22  6:31   ` Muchun Song
2024-10-22 19:59     ` Omar Sandoval
2024-10-22  7:53 ` Chengming Zhou
2024-10-22  8:02   ` Muchun Song
2024-10-22 22:25 ` Jens Axboe [this message]

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