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From: Ulf Hansson <ulf.hansson@linaro.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Aaro Koskinen <aaro.koskinen@iki.fi>,
	Nicolas Pitre <nico@fluxnic.net>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	Russell King <linux@armlinux.org.uk>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	"list@263.net:IOMMU DRIVERS <iommu@lists.linux-foundation.org>,
	Joerg Roedel <joro@8bytes.org>,
	" <iommu@lists.linux-foundation.org>,
	Ben Dooks <ben-linux@fluff.org>,
	linux-omap <linux-omap@vger.kernel.org>,
	Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: remove block layer bounce buffering for MMC v2
Date: Fri, 8 Mar 2019 10:43:48 +0100
Message-ID: <CAPDyKFrKkmzrH++g88JLxbLkJh3iTUXfjjuxysr0iEigjYA5ig@mail.gmail.com> (raw)
In-Reply-To: <20190308091853.GA14021@lst.de>

On Fri, 8 Mar 2019 at 10:18, Christoph Hellwig <hch@lst.de> wrote:
>
> On Mon, Feb 25, 2019 at 02:54:13PM +0100, Ulf Hansson wrote:
> > This looks good to me, however the lack of feedback/tests worries me a
> > bit. So, unless you think it's a bad idea, I intend to apply this when
> > v5.1 rc1 is out, which allows a lengthy test period in linux-next.
>
> Please don't rush to merge this.  Based on a talk to some folks I
> have an idea for a sg iterator that can hide the kmapping from
> the drivers, which should allow for some less scary driver code and
> clean this up a bit further.

Okay, I see. Thanks for letting me know!

Kind regards
Uffe

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Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-12  7:25 Christoph Hellwig
2019-02-12  7:25 ` [PATCH 01/14] scatterlist: add sg_kmap_atomic / sg_kunmap_atomic helpers Christoph Hellwig
2019-02-12  7:25 ` [PATCH 02/14] mmc: remove the unused use_blk_mq field from struct mmc_host Christoph Hellwig
2019-02-12  7:25 ` [PATCH 03/14] mmc: add a need_kmap flag to " Christoph Hellwig
2019-02-12  7:25 ` [PATCH 04/14] mmc: davinci: handle highmem pages Christoph Hellwig
2019-02-12  7:25 ` [PATCH 05/14] mmc: moxart: " Christoph Hellwig
2019-02-12  7:25 ` [PATCH 06/14] mmc: omap: " Christoph Hellwig
2019-02-12 18:39   ` Tony Lindgren
2019-02-12  7:25 ` [PATCH 07/14] mmc: omap: handle chained sglists Christoph Hellwig
2019-02-12  7:25 ` [PATCH 08/14] mmc: s3cmci: handle highmem pages Christoph Hellwig
2019-02-12  7:25 ` [PATCH 09/14] mmc: s3cmci: handle chained sglists Christoph Hellwig
2019-02-12  7:25 ` [PATCH 10/14] mmc: mvsdio: handle highmem pages Christoph Hellwig
2019-02-12  7:25 ` [PATCH 11/14] mmc: sh_mmcif: " Christoph Hellwig
2019-02-12  7:25 ` [PATCH 12/14] mmc: sh_mmcif: handle chained sglists Christoph Hellwig
2019-02-12  7:25 ` [PATCH 13/14] mmc: core: don't use block layer bounce buffers Christoph Hellwig
2019-02-12  7:25 ` [PATCH 14/14] dma-mapping: remove dma_max_pfn Christoph Hellwig
2019-02-25 13:54 ` remove block layer bounce buffering for MMC v2 Ulf Hansson
2019-03-08  9:18   ` Christoph Hellwig
2019-03-08  9:43     ` Ulf Hansson [this message]

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