git: padlock - Rework locking

[Alex Hornung <alexh@xxxxxxxxxxxxxxxxxxxxxxx>]

commit 69ae06e7e56e484ac3b75d1de9a71c0ec4228429
Author: Alex Hornung <ahornung@gmail.com>
Date:   Sat Aug 21 13:25:03 2010 +0100

    padlock - Rework locking
    
    * Change lockmgr to spinlock (FreeBSD used to use rwlocks for this),
      since there's no blocking in the locked sections.
    
    * Fix several bugs where previously a shared lock was held although an
      exclusive lock was required.
    
    * Add a missing unlock in padlock_detach.

Summary of changes:
 sys/crypto/via/padlock.c |   33 ++++++++++++++++++---------------
 1 files changed, 18 insertions(+), 15 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/69ae06e7e56e484ac3b75d1de9a71c0ec4228429


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