PERFORCE change 180741 for review
jhb at freebsd.org
Mon Jul 12 15:08:36 UTC 2010
On Saturday, July 10, 2010 11:09:21 pm Alexandre Fiveg wrote:
> Change 180741 by afiveg at cottonmouth on 2010/07/11 03:08:49
> d_mmap is eliminated from ringmap because of very strange behavior. Now:
user-space process calls read(/dev/ringmap ... ) in order get physical addres
of ring. Then by calling mmap(/dev/mem, .... , offset=ring_phys_addr) the ring
will be mapped into user-space.
Oof, this is not appropriate. You should use d_mmap. Can you provide more
details on the problems you see with d_mmap?
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