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From: Keith Busch <kbusch@kernel.org>
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: ming.lei@redhat.com, helgaas@kernel.org, hch@lst.de,
	linux-nvme@lists.infradead.org, sagi@grimberg.me
Subject: Re: [PATCH 0/4] nvme: Threaded interrupt handling improvements
Date: Sun, 1 Dec 2019 02:02:22 +0900
Message-ID: <20191130170222.GA5273@redsun51.ssa.fujisawa.hgst.com> (raw)
In-Reply-To: <20191129170545.axnykbrabigzcghs@linutronix.de>

On Fri, Nov 29, 2019 at 06:05:45PM +0100, Sebastian Andrzej Siewior wrote:
> Ach okay. But I wouldn't consider it as a "bug" if your threaded handler
> returns IRQ_HANDLED and requires a longer period of time. Thsi seems
> fine to me.
> The SDHCI driver has a case where the interrupt thread waits for another
> interrupt (from its primary handler) in order to make progress.

Yes, that uses a driver specific way to handle that. This patch series
provides nvme specific handling for long running irq threads.

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Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-27 17:58 Keith Busch
2019-11-27 17:58 ` [PATCH 1/4] PCI/MSI: Export __pci_msix_desc_mask_irq Keith Busch
2019-11-28  2:42   ` Sagi Grimberg
2019-11-28  3:41     ` Keith Busch
2019-11-28  7:17   ` Christoph Hellwig
2019-11-27 17:58 ` [PATCH 2/4] nvme/pci: Mask legacy and MSI in threaded handler Keith Busch
2019-11-28  3:39   ` Ming Lei
2019-11-28  3:48     ` Keith Busch
2019-11-28  3:58       ` Ming Lei
2019-11-28  4:14         ` Keith Busch
2019-11-28  8:41           ` Ming Lei
2019-11-27 17:58 ` [PATCH 3/4] nvme/pci: Mask MSIx interrupts for threaded handling Keith Busch
2019-11-28  7:19   ` Christoph Hellwig
2019-11-27 17:58 ` [PATCH 4/4] nvme/pci: Spin threaded interrupt completions Keith Busch
2019-11-28  2:46   ` Sagi Grimberg
2019-11-28  3:28     ` Keith Busch
2019-11-28  3:51       ` Ming Lei
2019-11-28  3:58         ` Keith Busch
2019-11-28  7:22   ` Christoph Hellwig
2019-11-29  9:13   ` Sebastian Andrzej Siewior
2019-11-30 18:10     ` Keith Busch
2019-12-02  1:10       ` Ming Lei
2019-12-02  1:30         ` Keith Busch
2019-12-02 16:51       ` Sebastian Andrzej Siewior
2019-11-28  7:50 ` [PATCH 0/4] nvme: Threaded interrupt handling improvements Christoph Hellwig
2019-11-28 17:59   ` Keith Busch
2019-11-29  8:30     ` Christoph Hellwig
2019-11-29  9:46 ` Sebastian Andrzej Siewior
2019-11-29 16:27   ` Keith Busch
2019-11-29 17:05     ` Sebastian Andrzej Siewior
2019-11-30 17:02       ` Keith Busch [this message]
2019-12-02 17:05         ` Sebastian Andrzej Siewior
2019-12-02 17:12           ` Christoph Hellwig
2019-12-02 18:06             ` Keith Busch
2019-12-03  7:40               ` Christoph Hellwig
2019-12-02 19:57             ` Sebastian Andrzej Siewior
2019-12-03  7:42               ` Christoph Hellwig

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