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author | markm <markm@FreeBSD.org> | 2000-06-25 08:32:39 +0000 |
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committer | markm <markm@FreeBSD.org> | 2000-06-25 08:32:39 +0000 |
commit | 58318db80801eb90db1a44822cdb52018a3a0cad (patch) | |
tree | 680f13e0271e2357a03a324bbd3bf21d82f92c05 /sys/dev/random/yarrow.c | |
parent | b2db9a0f361aa06b3371f9567693e9614186279a (diff) | |
download | FreeBSD-src-58318db80801eb90db1a44822cdb52018a3a0cad.zip FreeBSD-src-58318db80801eb90db1a44822cdb52018a3a0cad.tar.gz |
New machine independant /dev/null and /dev/zero driver. This device is
severely stripped down compared with its predecessor, and is measurably
a _lot_ faster.
Many thanks to Jeroen van Gelderen for lots of good ideas.
There is still a problem with this; it is written as a mudule, and as
such is theoretically unloadable. However, there is no refcounting done
as I would prefer to do that a'la device_busy(9), rather than some
"home-rolled" scheme. The point is pretty moot, as /dev/null is
effectively compulsory.
Reviewed by: dfr
Diffstat (limited to 'sys/dev/random/yarrow.c')
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