Re: ZFS committed to the FreeBSD base.

From: Dag-Erling Smørgrav <des_at_des.no>
Date: Fri, 13 Apr 2007 17:59:52 +0200

Andrew Reilly <andrew-freebsd_at_areilly.bpc-users.org> writes:
> Apart from the fact that you are correct, how long is the
> instruction encoding of cmpxchg8?

Three bytes (0F C7 m64), four for "lock cmpxchg8" (F0 0F C7 m64).  If
the top two bits of m64 are set, you may get "interesting" results :)

DES
-- 
Dag-Erling Smørgrav - des_at_des.no

Received on Fri Apr 13 2007 - 13:59:58 UTC

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