On Thu, Jul 22, 2010 at 01:47:36PM +0900, FUJITA Tomonori wrote:

On Wed, 21 Jul 2010 20:50:26 -0700
Zach Pfeffer [off-list ref] wrote:

quoted

On Wed, Jul 14, 2010 at 10:59:43AM +0900, FUJITA Tomonori wrote:

quoted

On Tue, 13 Jul 2010 10:02:23 +0100

Zach Pfeffer said this new VCM infrastructure can be useful for
video4linux. However, I don't think we need 3,000-lines another
abstraction layer to solve video4linux's issue nicely.

Its only 3000 lines because I haven't converted the code to use
function pointers.

The main point is adding a new abstraction that don't provide the huge
benefit.

I disagree. In its current form the API may not be appropriate for
inclusion into the kernel, but it provides a common framework for
handling a class of problems that have been solved many times in the
kernel: large buffer management, IOMMU interoperation and fine grained
mapping control.

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