Re: Is there any way to avoid copy between the kernel and userland

From: "Kamal R. Prasad" <kamalp@xxxxxxx>
Date: Thu, 23 Nov 2006 12:00:34 +0530

If you create a pseudo- device with an mmap() interface -that should do the
job.

regards
-kamal

On 11/23/06, Bharma Ji <bharmaji@xxxxxxxxx> wrote:

Hi
I am looking for any FreeBSD facility that will allow a userland process
to
pass data to the kernel without doing a copyin or copyout e.g. using a
shared data structure (queue? ) for example? Any pointers will be useful
Thanks
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References:
- Is there any way to avoid copy between the kernel and userland
  - From: Bharma Ji

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