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From: Christoph Hellwig <hch@lst.de>
To: Tomasz Figa <tfiga@chromium.org>
Cc: Christoph Hellwig <hch@lst.de>,
	"open list:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Marek Szyprowski <m.szyprowski@samsung.com>,
	Robin Murphy <robin.murphy@arm.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Joerg Roedel <joro@8bytes.org>, Will Deacon <will.deacon@arm.com>,
	Vineet Gupta <vgupta@synopsys.com>,
	Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>,
	Mitchel Humpherys <mitchelh@codeaurora.org>,
	Krzysztof Kozlowski <krzk@kernel.org>,
	Arnd Bergmann <arnd@arndb.de>
Subject: Re: [RFC PATCH 1/5] base: dma-mapping: Export commonly used symbols
Date: Wed, 5 Jul 2017 19:20:19 +0200	[thread overview]
Message-ID: <20170705172019.GB5246@lst.de> (raw)
In-Reply-To: <CAAFQd5DijKbNJ-8wHh=+2Z2y1nSF-LC8R+d+NktTRF4iQqPsrA@mail.gmail.com>

On Thu, Jul 06, 2017 at 12:22:35AM +0900, Tomasz Figa wrote:
> Generally the user is a work in progress that should be posted in a
> very near future. You can find a reference to our downstream tree at
> chromium.org in the cover letter. Obviously I don't mind including
> patches from this series in the driver series later and that's one of
> the reasons for this series being RFC.

Please post and explain them here.  In general I think moving dma
ops and iommu implementations into modules is a bad idea, but I
don't want to reject the idea before seeing the code.  Or maybe
by looking at the user we can come up with an even better idea
to solve the original issue you're trying to solve, so please also
explain your rationale.

WARNING: multiple messages have this Message-ID (diff)
From: Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
To: Tomasz Figa <tfiga-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
Cc: Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>,
	Greg Kroah-Hartman
	<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
	Will Deacon <will.deacon-5wv7dgnIgG8@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Krzysztof Kozlowski
	<krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"open list:IOMMU DRIVERS"
	<iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>,
	Vineet Gupta <vgupta-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>,
	Hans-Christian Noren Egtvedt
	<egtvedt-BrfabpQBY5qlHtIdYg32fQ@public.gmane.org>,
	Christoph Hellwig <hch-jcswGhMUV9g@public.gmane.org>
Subject: Re: [RFC PATCH 1/5] base: dma-mapping: Export commonly used symbols
Date: Wed, 5 Jul 2017 19:20:19 +0200	[thread overview]
Message-ID: <20170705172019.GB5246@lst.de> (raw)
In-Reply-To: <CAAFQd5DijKbNJ-8wHh=+2Z2y1nSF-LC8R+d+NktTRF4iQqPsrA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>

On Thu, Jul 06, 2017 at 12:22:35AM +0900, Tomasz Figa wrote:
> Generally the user is a work in progress that should be posted in a
> very near future. You can find a reference to our downstream tree at
> chromium.org in the cover letter. Obviously I don't mind including
> patches from this series in the driver series later and that's one of
> the reasons for this series being RFC.

Please post and explain them here.  In general I think moving dma
ops and iommu implementations into modules is a bad idea, but I
don't want to reject the idea before seeing the code.  Or maybe
by looking at the user we can come up with an even better idea
to solve the original issue you're trying to solve, so please also
explain your rationale.

  reply	other threads:[~2017-07-05 17:20 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-05  7:12 [RFC PATCH 0/5] Fixes for loadable modules implementing DMA/IOMMU APIs Tomasz Figa
2017-07-05  7:12 ` [RFC PATCH 1/5] base: dma-mapping: Export commonly used symbols Tomasz Figa
2017-07-05  7:12   ` Tomasz Figa
2017-07-05 15:17   ` Christoph Hellwig
2017-07-05 15:17     ` Christoph Hellwig
2017-07-05 15:22     ` Tomasz Figa
2017-07-05 15:22       ` Tomasz Figa
2017-07-05 17:20       ` Christoph Hellwig [this message]
2017-07-05 17:20         ` Christoph Hellwig
2017-07-06  1:44         ` Tomasz Figa
2017-07-06  1:44           ` Tomasz Figa
2017-07-06  8:26           ` Arnd Bergmann
2017-07-06  8:26             ` Arnd Bergmann
2017-07-06  8:34             ` Tomasz Figa
2017-07-06  8:34               ` Tomasz Figa
2017-07-06  8:36               ` Tomasz Figa
2017-07-06 12:23                 ` Arnd Bergmann
2017-07-06 12:23                   ` Arnd Bergmann
2017-07-06 13:31                   ` Tomasz Figa
2017-07-06 13:31                     ` Tomasz Figa
2017-07-06 13:49                     ` Tomasz Figa
2017-07-06 14:02                       ` Arnd Bergmann
2017-07-06 14:02                         ` Arnd Bergmann
2017-07-06 14:06                         ` Tomasz Figa
2017-07-06 14:27                           ` Arnd Bergmann
2017-07-06 14:27                             ` Arnd Bergmann
2017-07-06 14:35                             ` Tomasz Figa
2017-07-06 13:56                     ` Arnd Bergmann
2017-07-06 13:56                       ` Arnd Bergmann
2017-07-05  7:12 ` [RFC PATCH 2/5] base: dma-mapping: Provide a function to look up remapped pages Tomasz Figa
2017-07-05  7:12   ` Tomasz Figa
2017-07-05  7:12 ` [RFC PATCH 3/5] iommu: Export non-static functions to use in modules Tomasz Figa
2017-07-05  7:12   ` Tomasz Figa
2017-07-05  7:12 ` [RFC PATCH 4/5] iommu/dma: " Tomasz Figa
2017-07-05  7:12   ` Tomasz Figa
2017-07-05 16:22   ` Robin Murphy
2017-07-05 16:22     ` Robin Murphy
2017-07-06  2:25     ` Tomasz Figa
2017-07-06  2:25       ` Tomasz Figa
2017-07-06 11:09       ` Robin Murphy
2017-07-06 11:09         ` Robin Murphy
2017-07-06 14:10         ` Christoph Hellwig
2017-07-06 14:10           ` Christoph Hellwig
2017-07-06 14:17           ` Tomasz Figa
2017-07-06 14:24             ` Tomasz Figa
2017-07-06 14:24               ` Tomasz Figa
2017-07-06 14:35               ` Arnd Bergmann
2017-07-06 14:41                 ` Tomasz Figa
2017-07-05  7:12 ` [RFC PATCH 5/5] iommu/dma: Add iommu_dma_cleanup() Tomasz Figa
2017-07-05  7:12   ` Tomasz Figa

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