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From: Christoph Hellwig <hch@lst.de>
To: Ming Lei <ming.lei@redhat.com>
Cc: John Garry <john.garry@huawei.com>, Jens Axboe <axboe@kernel.dk>,
	linux-block@vger.kernel.org, linux-nvme@lists.infradead.org,
	Christoph Hellwig <hch@lst.de>, Sagi Grimberg <sagi@grimberg.me>,
	Daniel Wagner <dwagner@suse.de>, Wen Xiong <wenxiong@us.ibm.com>
Subject: Re: [PATCH 1/2] blk-mq: not deactivate hctx if the device doesn't use managed irq
Date: Thu, 1 Jul 2021 11:52:26 +0200	[thread overview]
Message-ID: <20210701095226.GB2066@lst.de> (raw)
In-Reply-To: <YNu7rs7j5/KtQjAi@T590>

On Wed, Jun 30, 2021 at 08:32:46AM +0800, Ming Lei wrote:
> Indeed, we may replace BLK_MQ_F_STACKING with BLK_MQ_F_NOT_USE_MANAGED_IRQ
> (BLK_MQ_F_NO_MANAGED_IRQ) too, and the latter is one general solution.

And now turn the polarity around and make it a BLK_MQ_F_MANAGED_IRQ set
by the map_queue helpers that rely on managed irqs.

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  parent reply	other threads:[~2021-07-01  9:52 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-29  7:49 [PATCH 0/2] blk-mq: fix blk_mq_alloc_request_hctx Ming Lei
2021-06-29  7:49 ` [PATCH 1/2] blk-mq: not deactivate hctx if the device doesn't use managed irq Ming Lei
2021-06-29 12:39   ` Hannes Reinecke
2021-06-29 14:17     ` Ming Lei
2021-06-29 15:49   ` John Garry
2021-06-30  0:32     ` Ming Lei
2021-06-30  9:25       ` John Garry
2021-07-01  9:52       ` Christoph Hellwig [this message]
2021-06-29 23:30   ` Damien Le Moal
2021-06-30 18:58     ` Sagi Grimberg
2021-06-30 21:57       ` Damien Le Moal
2021-07-01 14:20         ` Keith Busch
2021-06-29  7:49 ` [PATCH 2/2] nvme: pass BLK_MQ_F_NOT_USE_MANAGED_IRQ for fc/rdma/tcp/loop Ming Lei
2021-06-30  8:15   ` Hannes Reinecke
2021-06-30  8:47     ` Ming Lei
2021-06-30  8:18 ` [PATCH 0/2] blk-mq: fix blk_mq_alloc_request_hctx Hannes Reinecke
2021-06-30  8:42   ` Ming Lei
2021-06-30  9:43     ` Hannes Reinecke
2021-06-30  9:53       ` Ming Lei
2021-06-30 18:59         ` Sagi Grimberg
2021-06-30 19:46           ` Hannes Reinecke
2021-06-30 23:59             ` Ming Lei
2021-07-01  8:00               ` Hannes Reinecke
2021-07-01  9:13                 ` Ming Lei
2021-07-02  9:47             ` Daniel Wagner

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