Subject: Re: map user memory in kernel
To: Nathan J. Williams <>
From: Emmanuel Dreyfus <>
List: tech-kern
Date: 11/05/2005 23:41:49
On Sat, Nov 05, 2005 at 12:09:59PM -0500, Nathan J. Williams wrote:
> To make this work, the value to sleep on needs to be more persistent
> than a physical address. Something like a hash of the vm_map and the
> virtual address would do the trick for one process; to make this work
> across processes, the right thing is probably the kernel address of a
> lower-level backing object.

An example for our kernel I could pick to finish Linux futex emulation?

Emmanuel Dreyfus