git: kernel - Document ordering requirement in lwkt_cpusync_remote2()

[Matthew Dillon]

commit cdfe18157a251e29d44cd58e0ae00ec7d508f01b
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Fri Dec 3 08:38:01 2010 -0800

    kernel - Document ordering requirement in lwkt_cpusync_remote2()
    
    * Add a cpu_ccfence() to document necessary ordering but assume
      that the atomic op following handles the actual requirement.
    
      This is essentially a nop.

Summary of changes:
 sys/kern/lwkt_ipiq.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/cdfe18157a251e29d44cd58e0ae00ec7d508f01b


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