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From: hch@lst.de (Christoph Hellwig)
Subject: nvme-5.3 ssd performance regression
Date: Wed, 17 Jul 2019 06:26:46 +0200	[thread overview]
Message-ID: <20190717042646.GA4583@lst.de> (raw)
In-Reply-To: <6863e5fa43409c370395cc66e7499dd7c150c497.camel@kernel.crashing.org>

On Wed, Jul 17, 2019@10:15:00AM +1000, Benjamin Herrenschmidt wrote:
> Yes. Reverting this brings the speed back to 2GB/s

Thanks.  Can you try this series as well:

http://git.infradead.org/users/hch/misc.git/shortlog/refs/heads/dma-max-mapping-size-fix

  reply	other threads:[~2019-07-17  4:26 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-16  1:04 nvme-5.3 ssd performance regression Benjamin Herrenschmidt
2019-07-16  7:12 ` Ming Lei
2019-07-16  9:36   ` Christoph Hellwig
2019-07-16 10:55     ` Benjamin Herrenschmidt
2019-07-16 12:47     ` Ming Lei
2019-07-16 19:12       ` Christoph Hellwig
2019-07-17  0:15   ` Benjamin Herrenschmidt
2019-07-17  4:26     ` Christoph Hellwig [this message]
2019-07-17  4:33       ` Benjamin Herrenschmidt
2019-07-17  4:40         ` Christoph Hellwig
2019-07-17  5:50           ` Benjamin Herrenschmidt
2019-07-17  6:19       ` Benjamin Herrenschmidt

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