From: r6144 <rainy6144@gmail.com>
To: Jerome Glisse <j.glisse@gmail.com>
Cc: Lucas Stach <dev@lynxeye.de>,
linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org
Subject: Re: GEM-related desktop sluggishness due to linear-time arch_get_unmapped_area_topdown()
Date: Tue, 29 Mar 2011 22:44:24 +0800 [thread overview]
Message-ID: <1301409864.5615.98.camel@wangqingchuan> (raw)
In-Reply-To: <AANLkTikMJszEyv8-SMMjD-MeykSwmsKf=gmezcMgySoP@mail.gmail.com>
在 2011-03-29二的 10:22 -0400，Jerome Glisse写道：
> Killer solution would be to have no mapping and a decent
> upload/download ioctl that can take userpage.
Doesn't this sound like GEM's read/write interface implemented by e.g.
the i915 driver? But if I understand correctly, a mmap-like interface
should still be necessary if we want to implement e.g. glMapBuffer()
without extra copying.
r6144
next prev parent reply other threads:[~2011-03-29 14:44 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 11:16 r6144
2011-03-28 18:13 ` Lucas Stach
2011-03-29 14:22 ` Jerome Glisse
2011-03-29 14:44 ` r6144 [this message]
2011-03-29 15:23 ` Jerome Glisse
2011-03-29 18:01 ` Lucas Stach
2011-03-29 19:45 ` Jerome Glisse
2011-03-29 20:26 ` Daniel Vetter
2011-03-29 21:04 ` Jerome Glisse
2011-03-29 21:57 ` Dave Airlie
2011-03-30 7:32 ` Chris Wilson
2011-03-30 13:28 ` Jerome Glisse
2011-03-30 14:07 ` Chris Wilson
2011-03-30 15:07 ` Jerome Glisse
2011-03-30 15:22 ` Chris Wilson
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