git: spinlock.9: Update

[Sepherosa Ziehau]

commit 0f4dce5b9df77d8c3d46cfc8209afb67d5421fea
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Wed Jan 15 22:17:31 2014 +0800

    spinlock.9: Update
    
    - Spinlock prevent FAST interrupt from running and prevent IPIQ from
      being processed.
    - FAST interrupt and IPI could hold spinlock.

Summary of changes:
 share/man/man9/spinlock.9 | 26 +++++++-------------------
 1 file changed, 7 insertions(+), 19 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/0f4dce5b9df77d8c3d46cfc8209afb67d5421fea


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