Re: [PATCH] Export shmem_file_setup and shmem_getpage for DRM-GEM | KernelTrap

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DRM-GEM

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From: Christoph Hellwig <hch@...>

To: Arjan van de Ven <arjan@...>

Cc: Stephane Marchesin <marchesin@...>, Keith Packard <keithp@...>, John Stoffel <john@...>, Hugh Dickins <hugh@...>, Nick Piggin <nickpiggin@...>, Christoph Hellwig <hch@...>, Eric Anholt <eric@...>, <linux-kernel@...>

Subject: Re: [PATCH] Export shmem_file_setup and shmem_getpage for DRM-GEM

Date: Sunday, August 10, 2008 - 9:34 pm

On Wed, Aug 06, 2008 at 10:24:37AM -0700, Arjan van de Ven wrote:
quoted text> the ATI driver guys already have the interface working.
> 
> In addition.. since when is "oh you must also make it work for THAT" a
> requirement? Traditionally, it's up to the second person to make
> generic code work for them (within reason of course, but I'll argue
> that the bar of reasonableness has been met here)

Important difference between code and interfaces.  GEM is adding new
userspace interface, and it's current form rather ugly ones.  We'd
better think about these hard, and make sure they are useful for the
whole usecase and not a limited subset.

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Messages in current thread:

[PATCH] PCI: Add pci_read_base() API, Eric Anholt, (Fri Aug 1, 2:58 am)

[PATCH] Export shmem_file_setup and shmem_getpage for DRM-GEM, Eric Anholt, (Fri Aug 1, 2:58 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Christoph Hellwig, (Fri Aug 1, 4:50 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Sun Aug 3, 9:54 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Nick Piggin, (Mon Aug 4, 5:02 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 5:58 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Nick Piggin, (Tue Aug 5, 12:43 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Dave Airlie, (Mon Aug 18, 9:17 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Nick Piggin, (Tue Aug 19, 6:00 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Tue Aug 19, 12:46 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Jesse Barnes, (Tue Aug 19, 2:50 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Jerome Glisse, (Thu Aug 21, 9:42 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Jesse Barnes, (Thu Aug 21, 12:15 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Jesse Barnes, (Wed Aug 6, 8:45 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Tue Aug 5, 1:19 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Dave Airlie, (Mon Aug 4, 6:22 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 6:26 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Nick Piggin, (Mon Aug 4, 6:43 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 7:45 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Hugh Dickins, (Mon Aug 4, 1:09 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Christoph Hellwig, (Sun Aug 10, 9:30 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Nick Piggin, (Tue Aug 5, 12:28 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 1:25 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Hugh Dickins, (Mon Aug 4, 2:39 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 3:20 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Hugh Dickins, (Mon Aug 4, 3:55 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., John Stoffel, (Mon Aug 4, 10:25 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Tue Aug 5, 12:28 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Stephane Marchesin, (Wed Aug 6, 12:20 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Arjan van de Ven, (Wed Aug 6, 1:24 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Christoph Hellwig, (Sun Aug 10, 9:34 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Stephane Marchesin, (Wed Aug 6, 10:16 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Wed Aug 6, 10:57 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Stephane Marchesin, (Wed Aug 6, 1:32 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Wed Aug 6, 1:56 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Stephane Marchesin, (Wed Aug 6, 2:09 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Wed Aug 6, 5:22 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Mon Aug 4, 5:37 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Fri Aug 1, 7:01 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Christoph Hellwig, (Sun Aug 10, 9:23 pm)

Re: [PATCH] Export shmem_file_setup for DRM-GEM, Keith Packard, (Sun Aug 10, 11:03 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., John Stoffel, (Sun Aug 3, 8:49 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Sun Aug 3, 1:52 pm)

files/process scaling problem? (was: [PATCH] Export shmem_fi..., Ingo Oeser, (Sun Aug 3, 7:35 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Keith Packard, (Sun Aug 3, 8:19 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Alan Cox, (Mon Aug 4, 4:19 am)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Arjan van de Ven, (Mon Aug 4, 9:51 am)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Alan Cox, (Mon Aug 4, 10:11 am)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Keith Packard, (Mon Aug 4, 12:58 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Ingo Oeser, (Mon Aug 4, 5:46 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Keith Packard, (Mon Aug 4, 8:34 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Dave Airlie, (Mon Aug 4, 6:20 pm)

Re: files/process scaling problem? (was: [PATCH] Export shme..., Arjan van de Ven, (Mon Aug 4, 12:38 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Hugh Dickins, (Fri Aug 1, 6:57 am)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Keith Packard, (Fri Aug 1, 2:06 pm)

Re: [PATCH] Export shmem_file_setup and shmem_getpage for DR..., Eric Anholt, (Fri Aug 1, 3:10 am)

[PATCH] drm: Add GEM ("graphics execution manager") to i915 ..., Eric Anholt, (Fri Aug 1, 2:58 am)

Re: [PATCH] drm: Add GEM ("graphics execution manager") to i..., Randy Dunlap, (Fri Aug 1, 11:44 am)

Re: [PATCH] drm: Add GEM ("graphics execution manager") to i..., Eric Anholt, (Tue Aug 5, 9:11 pm)

Re: [PATCH] drm: Add GEM ("graphics execution manager") to i..., Keith Packard, (Fri Aug 1, 2:11 pm)

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