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Message-ID: <ac7deb50611222230j7605d5e7j9f7bd386f7e4ccfc@mail.gmail.com>
Date: Thu, 23 Nov 2006 12:00:34 +0530
From: "Kamal R. Prasad" <kamalp@acm.org>
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To: "Bharma Ji" <bharmaji@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: Is there any way to avoid copy between the kernel and userland
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If you create a pseudo- device with an mmap() interface -that should do the
job.

regards
-kamal


On 11/23/06, Bharma Ji <bharmaji@gmail.com> 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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