git: kqueue: Avoid reprocessing processed knotes in KNOTE.

[Sepherosa Ziehau]

commit ed9db6a1912db34af387ff6978a265003258df16
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Mon Feb 22 22:08:36 2016 +0800

    kqueue: Avoid reprocessing processed knotes in KNOTE.
    
    Put a marker before the currently processing knote, so that even if
    we have to reprocess this knote for non-zero hint, we don't have to
    reprocess already-processed knotes, i.e. knotes before the marker.
    
    Reviewed-by: dillon@

Summary of changes:
 sys/kern/kern_event.c | 147 ++++++++++++++++++++++++++++++++++++++------------
 1 file changed, 113 insertions(+), 34 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/ed9db6a1912db34af387ff6978a265003258df16


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