From: Christoph Hellwig <hch@lst.de>
To: jiweisun126@126.com
Cc: linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
kbusch@kernel.org, axboe@fb.com, hch@lst.de, sagi@grimberg.me,
ahuang12@lenovo.com, sunjw10@lenovo.com
Subject: Re: [PATCH] nvme: add cond_resched() to nvme_complete_batch()
Date: Wed, 3 May 2023 18:07:52 +0200 [thread overview]
Message-ID: <20230503160752.GA683@lst.de> (raw)
In-Reply-To: <20230502125412.65633-1-jiweisun126@126.com>
On Tue, May 02, 2023 at 08:54:12PM +0800, jiweisun126@126.com wrote:
> From: Jiwei Sun <sunjw10@lenovo.com>
>
> A soft lockup issue will be triggered when do fio test on a 448-core
> server, such as the following warning:
nvme_complete_batch can be called from irq context, so I don't think
a cond_resched is a good idea here.
next prev parent reply other threads:[~2023-05-03 16:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-02 12:54 [PATCH] nvme: add cond_resched() to nvme_complete_batch() jiweisun126
2023-05-03 16:07 ` Christoph Hellwig [this message]
2023-05-03 16:28 ` Keith Busch
2023-05-03 23:42 ` Keith Busch
2023-05-04 9:39 ` Niklas Cassel
2023-05-04 10:12 ` Niklas Cassel
2023-05-04 15:06 ` Keith Busch
2023-05-04 15:18 ` Niklas Cassel
2023-05-15 20:40 ` Keith Busch
2023-05-16 13:58 ` Jiwei Sun
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