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From: Christoph Hellwig <hch@lst.de>
To: Keith Busch <kbusch@kernel.org>
Cc: hch@lst.de, linux-nvme@lists.infradead.org, sagi@grimberg.me
Subject: Re: [PATCH] nvme/pci: Remove last_cq_head
Date: Tue, 3 Dec 2019 08:36:55 +0100
Message-ID: <20191203073655.GA23881@lst.de> (raw)
In-Reply-To: <20191202221829.1940-1-kbusch@kernel.org>

On Tue, Dec 03, 2019 at 07:18:29AM +0900, Keith Busch wrote:
> We had been saving the last_cq_head seen from an interrupt so that a
> polled queue wouldn't mistakenly trigger spruious interrupt detection. We
> don't poll interrupt driven queues any more, so saving this value is
> pointless.

Looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

Btw, didn't you also have some other patches to shrink the size of
struct nvme_queue from a few months ago?

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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-02 22:18 Keith Busch
2019-12-03  7:36 ` Christoph Hellwig [this message]
2019-12-03 15:41   ` Keith Busch

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